2002 rm125 stock jetting. a SA silencer, and a Vforce reed valve system.

2002 rm125 stock jetting Discussions. Front Tire: 80/100X21; Rear Tire Pro X N424-21 Series Keihin Pilot Jet $3. 5 out Main Jet 165 1997 Pilot Jet 45 Needle STOCK Clip Position 3RD Air Screw 1. Jul 4, 2022 · R/M indicates your stock jetting is Main 172 and Pilot 50. rm125 fouling plugs. settings 55 pilot needle 1469m clip 3 main 165 seems like the main was very rich from factory . Best thing of all, I could be out-of-shape in flight and easily correct the landing with technical style riding. In Stock - Ships within 24 hrs. Husqvarna 1992-2002 CR WXE WR 125, 250, 300 (2 stroke models using Mikuni TM35, TM38) May 15, 2015 · Non adjustable powervalve. 7mm) Funny thing I found out last night- When the bike is on the stand running, leane Carb: Stock TMX-38 carb. Pilot: 32. I buy 2001 & 2002 engines, tear them down completely and inspect all the components. Just sayin'. For the track stock jetting works great. 5-2. Thread starter flight; Start date Dec 24, 2002 Dec 24, 2002 Suzuki RM125 Motorcycles For Sale: 3 Motorcycles Near Me - Find New and Used Suzuki RM125 Motorcycles on Cycle Trader. Jetting is a real PITA. 13/52 gearing and engine is otherwise stock. 5 pilot for a 40. 5 pilot and stock is 2 Main Jet 168 1994 Pilot Jet 55 Needle STOCK Clip Position 3RD Air Screw 1. Feb 9, 2000 · trending. I'm getting some low end bog. I can purchase more jets, but at the mo 2002 SUZUKI RM125 Parts & Accessories. (looking to sell or trade for an older 2 stroke quad) Jan 27, 2002 · Suzuki MX & Off-Road Dirt Bikes. Nov 29, 2012 · I bought an RM 125 with a shot gearbox back in september for £700, and have since spent about £300 on parts getting it working sweet. ? 38mm is quite big, but the high revving RM can handle it. Jan 4, 2024 · Find 2002 SUZUKI RM125 Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing! i need to kno what size main and pilot jet and needle clip setting for my 2003 rm125,mymotor is all stock. It has a new cylinder, wiseco piston kit, new fatty pipe, and new FMF silencer. I mean bad, it won't make it up small hills in my yard without serious clutch work in first gear. I could be wrong, but C12 should be on similar jetting as premium pump gas/stock. So here is where I stand with owning the RM125. Motorcycle Jetting & Fuel Injection; Activity. If I drop the needle to the last clip, turn the idle screw in all the way and back the air screw almost all the way out, it runs pretty decently. it had a 460 main and stock is 430, it had a 32. I am around 700 ft above sea level. Slide: Stock slide, no clue what number. 25 out Main Jet 350 1999 Pilot Jet 50 Needle STOCK Clip Position 3RD Air Screw 1. Try to determine which throttle range feels too rich and start with leaning that jet out. Leaner to richer. I checked the reeds and they looked good. Specifications. air screw 2 turns out #40 pilot jet #4 throttle slide cutaway #S-1 needle jet (this item not shown on any OEM parts fiche) #6BFY42-74 jet needle, 3rd clip #410 main jet Dec 11, 2004 · If your engine has a worn top-end, fix it first. I am running stock jetting and 30:1 non syn oil. Dont know if this helps you or not, but I ended up re-jetting with a #50 slow, and a #195 main. 5; For Main Jet 175 1993 Pilot Jet 55 Needle R1369N Clip Position 3RD Air Screw 1. position low comp. It is often hard to start, seems to run rich, and is not smooth through the powerband. Still a pain to start and keep for dying. if it was my bike , i'd start with a 30 pilot , leave your needle at Mar 26, 2018 · Here are the stock RM125 jetting specs: Main Jet: 370 Pilot Jet: 40 Needle: 6CHY17-60 Clip: Second from top Air screw: 1-3/4 turns out. position spring spring spring set length comp. com tech@fmfracing. Everything on the bike was clean and well maintained minues the choco-gearbox (Notorious of Rm's). 5 oz. For the woods (especially single track) it works better if I raise the clip a notch, and set the screw at 2 turns. The 2001 and 2002 125's engines are the same except the Power Valve components. fmfracing. Best modification yet to Suzuki DRZ400S. Needle: stock not sure of #, 2nd clip, may use a shim under in winter. In the winter try the 40/470 18033 S. I used the 27. I checked the plug and it is definately rich. Here are our jetting suggestions for your RM125. I currently own a 2003 RM-125 and it is running way to rich. 5 Needle STOCK Clip Position 2ND Air Screw 1. The CARB's are the same except stock Main & Pilot Jet(s). 93 octane. Thread 2002 14 0. You may want to go down a size or two on the pilot jet, but I would try these mods first. 5 slide you can buy from kawasaki. 5 out Main Jet 185 1988 Pilot Jet 62 Needle STOCK Clip Position 3RD Air Screw 1. 5 out Main Jet 165 1988 Pilot Mar 30, 2009 · I have a 1982 RM 125. This problem is driving me nuts. There's a little pink float that was stuck to the main jet that was in there, just pressed on. 0 +/- 1. Needle jet - R-1. Any more hints/tips/tricks would be great- Cheers Mar 16, 2006 · Drop the needle (raise the clip) one notch from stock. I am trying to set up the jets for my application. What is your Pilot Jet? What is your Main Jet? Stock is: Pilot- 32. 5 out Main Jet 175 1990 Pilot Jet 55 Needle R1369N Clip Position 2ND Air Screw 1. It should be 16 mm on Keihin and 15mm on Mikuni from the bottom of the float to the gasket surface for the float bowl. When I get to the mid to top end power it screams no problem. Air screw: 1. 0mm. 5 on air screw. I would start there and prove it to be too rich before running it too lean wot. Aug 30, 2021 · I loved my 2002 RM125 and most of the other dirt bikes I owned, the RM125 made it to my top favorite. 165 main, 42 pilot. Sorry! May 25, 2021 · The hardest part of jetting the RM125 is finding a lean enough pilot jet to clean up the rich bottom end. Trying to jet a worn out engine is a waste of time. F. Jan 21, 2013 · I bought a suzuki rm 125 i really enjoy the bike, it runs great, doesnt stall or anything, never shuts down when in neutral, it has a stock pipe and silencer , the pipe is starting to get really rusty and will need replacing soon, so i was thinking of getting an FMF full pipe and silencer, i know the bike will require re-jetting when new pipe Nov 24, 2023 · I replace the clutch basket, hub, disks and springs as well as jet the bike properly. 103 Main Jet 440 2003 Pilot Jet 37. YAMAHA YZ250F JETTING:FROM 2001-2009 (9/2009) As the original 250cc four-stroke of the modern era, the Yamaha YZ250F has the most development and refinement time of any bike of the track. drop the jetting down one size and see if it clears up a bit. 0 slide, R1469S needle, Jul 24, 2012 · So I'm working on my co-workers 2002 RM125 that he picked up last summer for $500 - down the molehill we go. I'm down to a 30 pilot and 440 main which has it starting no problem and idles great until it starts to warm up then wont stay running without some throttle blips. Odds are if the Oct 21, 2002 · I have a stock 2001 XR400R that seems to need some Carb adjustments. My buddies think it has to do with the jetting and how I have an aftermarket bells pipe on my bike. 5 pilot. PC recommends a 370 mj, 40 pj. Buy both needles leaner than stock and then just test to move needle clip position. sea level 45 degrees F 93 octane pump gas Mobil 1 MX2t 4. 5 out Main Jet 230 2000 Pilot Jet 40 Needle STOCK Clip Position 3RD Air Screw 1. Curr Mar 11, 2017 · Bike is stock except for air box snorkel removed and full Akrapovic exhaust. The bike idles like a champ. Before you start the jet testing, Install a fresh plug. CNC billet aluminum construction; Patented single fuel circuit design; Extremely fine fuel atomization Main Jet 200 2002 Pilot Jet 27. Also should i go up on the main jet one size while breaking it in? Or keep stock jetting? Mar 30, 2020 · My favorite dirt bike is the 2002 RM125, it's the 2nd time I've owned it. biker runs slightly worse? you are ok at 1500. the location of the CDI on the 2001 make it so the harness is much longer. Share More sharing options Followers 0. I run a 12/51 most of the time and change up to a 12/52 on the tight tracks. Like when I give it throttle, the bike immediately bogs down. I have a 2002 RM 125. I tried several slow and main jet sizes before I ended up with this combination. I loved how it handled, turned, jumped and it had plenty of power for me. Main: 380 in winter, may go 370 in summer. 888-903-4344. I had a 2003 and while it was a good bike it had some problems, the cylinder plating is known to flake (the early 4-strokes had this problem) and on the earlier last gen RM's they had problems with the transmissions going out. Mar 13, 2015 · assuming your jetting is perfect for 1500ft it will be usable at 5000 too, in theory you will need a 2-3% smaller main jet. Basica Sep 24, 2008 · The stock jetting on a 1993 RM125 is; Main jet - 360. So I put in a new wiseco bottom and top end in with new crank bearings/seals, and all new gaskets. Float setup to ~8mm (manual says +/- 1mm @ 8. When Yamaha first went to a 38mm in 2000 the bike did struggle for the first 2 years but it was what all the pro riders were doing and within a year the development of the bike caught up. Oh great can't he read the jetting link. KTM. Bike Mar 29, 2022 · Hi guys im new here. Reeds: Boyesen dual-stage In checking fmf vs p/c websites, fmf recommends a 440 mj, 40 pj and stock needle. It has the stock factory jetting, which is as follows: Main #142 Pilot #52 Needle Clip Position: 3rd groove from top Pilot Screw: 1. 5 out Main Jet 170 2000 Pilot Jet 48 Needle STOCK Clip Position 3RD Air Screw 1. Official Suzuki parts list Easy repairs with OEM diagrams Free acccess to parts fiches for Suzuki RM125 2002 (K2) USA (E03) stock. Keihin carburetors [ USED ] 2-stroke 4-stroke › FCR single Apr 12, 2022 · HI Guys I am having trouble with low end "snap" on the throttle at around 1/4ish throttle. theres a jetting chart in Suzuki 2T facts on the 2nd page I think. Nov 30, 2020 · Just picked up my son a 04 RM125. Oct 26, 2021 · Here is our test of Ryan Huffman’s 1998 Suzuki RM125 two-stroke. When (if?) your daughter gets fast you'll probably want to go a step or two leaner on the main, also. I suspect the bike is running rich. Most of the rebuild kits come with a 470 main and 40 pilot. My question is I see on the parts diagram for this model and reading other jetting threads that some came with a 390 main and others 460. Here is what happens. No one can give you 'perfect' settings as each engine / specific application is different, View and Download Suzuki RM 125 owner's service manual online. Why such a discrepancy in the main jets? Feb 24, 2009 · Find out what our riders thought of the Suzuki RM125 dirt bike on their test ride. Dec 6, 2017 · I have a 1992 rm125 mostly stock. Needle Number. I have a YZ144 EG and use a JD kit and found it easy to jet given it’s modified. I have a 2002 RM125 with Mikuni carb and bills silencer and pipe. Oct 1, 2006 · I’ve got an 03 rm125 with a fresh stock bore top end. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. it is HOT as H3LL in Alabama and the humidity right now is nearly 85 to 100%. 5 turns o Dec 24, 2002 · Suzuki MX & Off-Road Dirt Bikes. Sep 27, 2023 · Don't know if they're the same, closest I could find is a 1996 KX250. 5 out Main Jet 170 1990 Pilot Jet 58 Needle R1468N Clip Position 3RD Air Screw 1. Dec 31, 2022 · Seems to be expansion issues in that portion of the RM125 2001 and 2002 cylinders. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Still with the 12/49 it should pull the wheel off the ground. I used a JD jetting kit with a FMF fatty pipe/ shorty silencer. Pilot jet - 55. Apr 12, 2022 · HI Guys I am having trouble with low end "snap" on the throttle at around 1/4ish throttle. Apr 5, 2016 · Motocross jetting is checked in fifth gear, therefore it is not safe to run MX jetting in the desert wide open in sixth. Jan 26, 2007 · 04 Rm 125 (stock pipe, reeds, weisco piston, FMF Q silencer) Riding is all done at sea level on pump gas with 32:1 yamalube 2R. Mar 5, 2017 · Sportster Carburetor Jet Sizes KEIHIN CARBURETOR MAIN JET SIZES 1988 TO 2006 Year 1988 Engine 883 – Jet Size 170 (California 165) Year 1988 Engine 1200 – Jet Size 200 (California 180) Year 1989-1991 Engine 883 – Jet Size 175 (California 155) Year 1989-1991 Engine 1200 – Jet Size 175 (California 160) Year 1992-1994 Engine 883 – Jet Jan 27, 2018 · I bought a 2002 RM125 that needed the bottom and top end of the engine rebuilt because a a small conrod bearing failure. current specs:360 main. I’ve also got a full fmf system for the bike. I originally put in a 42 idle jet. im 626. I have a pwk air striker 38mm carb comining in mail im gonna put on but have no starting point to jetting this thing. I also have a FMF exhaust system on the bike. Float height - 14. 5 out Main Jet 155 2000 Pilot Jet 45 Needle STOCK Clip Position 2ND Air Screw 1. Latest. the 02 was very rich from idle to 1/4 throttle. page 251 – memo – Mar 19, 2002 · 99 Rm 125 Jetting. 0 If you ride enduro try to lean pilot jet and leaner needle. He asked me to fix it up on his dime, so I did all the normal stuff to the chassis, new tubes, replaced some spokes, new cables, repac Hi, I recently ordered a JD Jet Kits for my 2002 Suzuki rm 125. I live at 1000' elevation above sea level. Previous owner just resleeved to stock bore and bike is completely stock. I prefer the part #23 version for my engines I build. Sep 7, 2010 · I bought a 2002 RM 125 in the spring and it is not running as good as it should be, I have compaired it to another rm 125 and it ran better down low. Pro X 4/042 Series Mikuni Hex Main Jet 470 - 2002 SUZUKI RM125 Part # 1260010039, Pro X N224. Jun 20, 2024 · I am putting a new mikuni carburetor on my 01 rm125 and was wandering if I could go from the stock 460 main jet to a 440 main jet and if I did would I have to change from a 32:1 mix ratio. 1. I believe the factory main jet for your bike is a 460. Posted May 23 May 4, 2009 · Yes I was wondering if you could please help me out with a problem I am having with my bike. Mar 21, 2009 · does anyone know what size pilot and main jet i should use on my 03 rm125 BTW the motor is all stock May 7, 2015 · The rebuild kit came with a 460 main jet, different shaped needle w/ clip in center spot, and a 42. Im going to run 30:1 fuel ratio. put the needle in the middle clip. bike runs better at 5000? you will know that you are lean at 1500ft. He included a bunch of extra brand new parts, including a JD jet kit and V-Force 3 reed block. 5-2, usually have to adjust during the ride once it warms up. Oct 1, 2006 · Try 5. I am getting alot of spooge, a wet plug, and alot of smoke. I run Maxima super M oil @ 32:1 with pump gas and run the following jetting Main: 440 Stock 460 Clip: 2nd Stock 3rd Pilot 37. Dec 21, 2024 · 2002 RM125 surge? By Kevin Bell, 5000 feet up is quite a ways to be using stock jetting. I bought it with a messed up top end. Followed the recommended advice of OEM Suzuki 2002 RM125 Parts and opened up the top and right side of air box for increased air flow. I live in Vegas which is about 2000 feet above sea level. May 7, 2020 · The 2001 and 2002 RM125 engines are identical except for the Exhaust Valve (Model K1/K2) OEM Part Number(s): 23, 32, 33 on the diagrams within the On-line Stores OEM Parts listings. 5 vs 25 pilot jet make that big of a difference? Also I did, before it got dark, raise the needle position to the top position, and it seemed to better. Dirt Bikes. I installed it in the bike but the bike isn't running well. Another source I asked said the 460 main jet sounds way too rich. It really doesnt have that snap to it. Mar 9, 2018 · The motor is at max bore (~128cc on a 56mm Piston) Jetting is stock currently. 5 out Nov 23, 2020 · Jump to content. Use a BR9ES plug. com Jun 16, 2003 · JETTING I have a bone stock 2003 rm 125, and live in Austin TX which is at about 700 feet, and the temperature right now is about 95deg. Altitude: 7,000 feet. stock pipe. Jetting for a 2002 YZ125. Suzuki 1989-1996 RMX250. Mar 29, 2022 · I BELIEVE the jets are stock. Thread starter Durt Cycler; Start date Jan 27, 2002 Sep 4, 2022 · Working on getting my 04 RM125 running properly. Mar 18, 2002 #1 I seen a chart from FMF that said the stock jetting should be 130 main,55 pilot and clip 4 th from the Jan 21, 2006 · RM 125 carb set up questions OK, I have the problem with my 94 RM 125 narrowed down to a carb issue. It als Shopping in our 2002 Suzuki RM125 Suspension Parts selection, you get premium products without paying a premium. The cylinder was in good shape. I have a 2017 RMZ250 I'll sell today because I don't ride that much anymore and just need one bike in my stable. It runs strong going up and down the Jul 18, 2008 · I used stock jetting of 410 main, 4th clip position from the top and a 40 pilot jet with the 6CHY5-80 needle for 70 degrees and 0’ elevation. The 2002's CDI is behind the front number plate so the harness is much shorter. Just a few questions maybe you guys can help with. com [03-03 / #000339] KAWASAKI KX125 JETTING RECOMMENDATIONS Sep 25, 2012 · have an 03 that is very finicky about the jetting. So I set up 3 separate CARBs to install for the changing seasons. 5, needle is also stock and in the stock clip position. 5) 09492-42003 Power Jet (55) 09492-55012 Refer to the OEM Service Manual for adjusting jetting as per: Altitude, Temperature and any engine mods refer to FMF Chart ON-Line Site. head is set up for pump gas,mo better porting. 5 out Main Jet 430 2002 Pilot Jet 27. The 2002 Suzuki RM 125 and all other motorcycles made 1894-2025. Jul 31, 2020 · Just bought a 2002 rm125 that was listed as running but probably needs carb work. Pilot air screw - 1 1/2 turns. It seems to be very sluggish and boggy down low, more than normal for a 125 and it seems to smoke excessively for a 125 after being warmed up and r Jun 14, 2014 · 2003 rm125 general carb/jetting question Jump to Latest 6. Its weird that suzuki doesent offer any other slide than 5. i would carry a smaller main jet with me, without installing it. Throttle Stop Screw Sep 16, 2019 · I have a chart that says the stock settings are: Main Jet: 450 Pilot Jet: 27. 75 out Main Jet 152 1999 Pilot Jet 42 Needle STOCK Clip Position 2ND Air Screw 1. Stock # C53530 Used 2002 Honda Touring I have collected some Suzuki RM 125 specifications on this page. Post Reply. It bogs really bad. Mar 7, 2004 · can anyone give me some suggestion on how i should have my rm125 jetted? it is still stock and but the carb is from another bike and needs to be jetted for my bike (stock carb) i need to know what the main jet, pilot jet, needle & clip should be? how do you correctly set the exhaust Mar 13, 2017 · Headling - what are you running for jetting? I'm working on my buddies 02 and it falls on its face up top with a mean stutter. Jul 11, 2009 · what jet should i run for a rm 125 with v force fmf powercore2 silencer fmf gold series fatty pipe weisco piston (stock bore) hotrods crank and running at sea level? its not running right and im buying a new carb because mines messed up and rebuilding the top end so i figure its going to need jet Apr 12, 2011 · When I took it apart it had a 190 main jet and a 55 pilot slow jet . Edited June 20, 2024 by Ethan Davis (Country boy Ethan) Main Jet 440 2003 Pilot Jet 37. 5 Pilot Jet: Stock Fuel Screw:2 1/4 turns out Needle: 2 shims under stock Airbox: Pro Flow intake with Uni foam filter and lid off. Front Tire: Pro X 4/042 Series Mikuni Hex Main Jet $3. it was a non running project bike. . 5 Stock 40 And I still have black oil coming out my silencer. Went 2 turns out. adj. 25 out Main Jet 168 1999 Pilot Jet 50 Needle STOCK Clip Position 4TH Air Screw 2. Sep 4, 2022 · I had the same bike with the same issue years ago. Jul 16, 2010 · Stock snorkel, and installed an fmf power bomb header and fmf q4 exhaust pipe. Apr 1, 2014 · Alright. 5 out Could 27. We’ve spent countless hours of testing to determine which settings work best when bolting on one of our pipes and silencers to a stock machine. Suzuki from 2001-2008 125 are very thick jetted in stock. yamahakid199106. Jul 28, 2014 · 2002 Rm125 carb, the problem is the carb slide. Sep 5, 2002 · The stock jet sizes should be a #45 slow jet, and #190 main. It is a precision metering instrument that provides extremely fine fuel atomization, precise mixture control, and air density compensation in a single circuit, jet-less fuel system. 5 out Main Jet 170-175 1996 Jun 25, 2002 · i know the 2001 rm125 kicked ass when i rode my friends, the 2002's i hear do as well, i havnt rode one but your question was also that the yz top-end last longer than the rm 125's. 75 out Main Jet 340-350 1997 Jan 18, 2010 · :banghead:anyone tell me the stock jetting for a 2001 rm 125and which clutch basket and clutch kit should i go with Aug 11, 2020 · The only other difference I know between the 2001 & 2002 is the CARB Pilot Jet and the Wire Harness. You can not adjust the pilot jet or air screw to fix this hiccup. In the summer months you should be running stock jetting. For two-stroke bikes, our jetting specs are for VP Racing C12 Racing Fuel at 0-1500 ft altitude, 70-85 degrees temperature, 32:1 pre-mix oil ratio. stock slide. What sizes should i start with as far as main slow pilot needle etc. 5 pilot as instructed, but never got down to the 430 main jet as instructed. You need to have it cut 1mm or buy a replacement slide that is 1mm leaner. This bike is very clean for a 92. temps are 50-70 degrees F May 23, 2015 · 2005 rm125 jetting. Highly suggest a thorough cleaning of the Carburetor Feb 15, 2023 · Hey, looking on some info about the caburetor on the 2002 yz 125, i am looking into buying the stock carburetor or oem replacement that will fit Couldn’t find the oem carburator so i did some research and found out that the stock carb is mikuni tmx38 carburator. I put all these parts in from the rebuild kit. does any one know the stock jetting for a 2002 rm 125 ? Oct 19, 2021 · Now while I owned a 2002 RM125 that I raced, rode etc there is 2-stroke "jetting" involved with temperature changes. 080 over wiseco piston. 5 out Main Jet 350 2000 Pilot Jet 35 Needle STOCK Clip Position 2ND Air Screw 1. 99. I was just wanting to know what size jet I should replace my stock jet with. I will start out with stock jetting. 2004 suzuki rm125 w/ fmf sst's, boyesen pro series reeds w/ twin air intake. Aug 15, 2019 · Edited August 15, 2019 by 2002_RM_125 Insure you have stock jetting for sea level and ambient temperature Link to comment Share on other sites. Here are our best settings: Mainjet: 460 Pilot: 25 (27. I replaced the jet block gasket on the stock carb with the revised JD one and it has been pretty trouble free since. Desert jetting is richer than MX jetting. 1st clip position. Bike as purchased Needle jet OBEHP at 4th from top (center) Main jet 170 Pilot jet 42 Leak jet 105 Fuel screw at about 2 turns ———————————— Bike settings current July 20th/2015 JD jet kit parts only Needle jet JD Blue at 5th from top Sep 1, 2009 · My 2004 RM 85 is running too rich, the air filter is very clean, it has the right mixture, but it is definitely running too rich. well actually no top-end lasts longer than the other, its the way you ride it, overrevving i can fry a top-end, also jetting it too lean can do it, and also the amount of times you clean your filter, be sure to Jan 17, 2005 · 2005 yellow Z w/ modded stock exhaust. this applies to the 125 and 250. A test ride says it is lacking power up top. Different carbs used on 2000 to 2001 models! Either Keihin or Mikuni. Mar 18, 2002 #1 I seen a chart from FMF that said the stock jetting should be 130 main,55 pilot and clip 4 th from the Jul 3, 2021 · 1975 Suzuki RM 125 2006 Suzuki RM 125; Engine Type: 2-stroke: Cylinder Arrangement: 6-port scavenging, piston valve: Crankcase reed valve, single-cylinder: Carburetion System: Carburetor, 28-mm Mikuni (RM125M); Mikuni VM34SS (RM125S) Carburetor, Mikuni TMX38SS x 1: Engine Cooling: Air cooling: Liquid cooling: Engine Fuel Jul 31, 2020 · Just bought a 2002 rm125 that was listed as running but probably needs carb work. Nov 22, 2020 · Call JD Jetting and the will help you with the jet sizes. 0 out Main Jet 172 1997 Dec 30, 2015 · The kit comes with 140, 142, and 145 jet sizes. What should i mix for the rebuild? Last rebuild i went to 24:1. stock needle. Stock Carb: Keihin PWK 38 PowerJet Jetting: 178 main jet, 55 pilot jet, 80 power jet, 6. I bought the bike used and im assuming all the jets are stock. The entire team runs the same engine setting, which doesn’t even change that much when switching over to the outdoor series. I ran LEAN Jetting in the Summer, Up(sized) the Jetting for the Winter but during the short lived Spring/Fall temperature months I ran STOCK Jetting. When running an engine at full throttle for extended periods, be sure to chop the throttle decisively to slow down. 5 out Main Jet 172 1993 Pilot Jet 58 Needle R1468N Clip Position 3RD Air Screw 1. Feb 18, 2005 · Carb Type: Mikuni 37mm (stock) Main Jet: Mikuni 172. 5 out Main Jet 172 1991 Pilot Jet 58 Needle R1468N Clip Position 3RD Air Screw 1. Feb 11, 2003 · The jetting in the bike right now is 48 pilot, R1470D needle, and 185 main. 2025 Honda XR150L First Look. February 24, 2009. Have 2turns out on the airscrew but tweak it with temps changing running 1. 32:1 klotz benol. just wondering what Please remember that sometimes the stock OEM jetting will work just fine, other times you may have to make an adjustment, so use our suggestions below as a guide to help with your jetting problem. Feb 2, 2002 · FWIW-I finally got some time to tune it to near perfection. I would look at the jetting since you got a fresh top end and have ruled out some other problems. MAIN- 165 PILOT- 45 NEEDLE- NOZG CLIP - 4TH AIR SCREW- STOCK Aug 16, 2017 · Standard for 1999 ( no info on 1998 ) 55 pilot needle 1469mclip 4 main 180 pro circuit. In order to get it to idle at all I have to turn the idle screw almost all the way in and set the air screw almost all the way out. While suspension tuning and components are a matter of rider preference,’ engine settings are not. OEM Suzuki 2002 RM125 Parts also took care of a broken part from shipping with a quick replacement . Turn the powervalve adjuster 1/4 turn clockwise. I believe the only other OEM Part Number that makes any different is the Wire Harness OEM Part #36610-36F00, HARNESS, WIRING | MODEL K1 but can be used on Please remember that sometimes the stock OEM jetting will work just fine, other times you may have to make an adjustment, so use our suggestions below as a guide to help with your jetting problem. Main Jet. These stock jetting are showroom floor for the average weight rider. Oct 11, 2014 · yeah lean that out a bit buddy. 5 Needle STOCK Clip Position 3RD Air Screw 1. You can patch it with a leaner slide needle, but the best fix is the 1mm leaner slide. / gallon stock timing Aug 10, 2014 · I rebuilt my 2002 rm125 in the fall of 2012. Roll on throttle wheelies now. Wondering what jets to go with that exhaust, stock reeds, and fresh top end? Aug 23, 2008 · I have a 2004 Suzuki rm 125 and it has a stock 390 jetting in it, but my bike is running to lean, it's getting very hot and I have burned up 3 pistons and several spark plugs in the last month. Aug 17, 2008 · 1978 Suzuki RM125 carburetor stock settings? 230 main jet 30 pilot jet 6F21 jet needle 159 R-4 needle jet air jet-missing . Its the stock KEIHIN CVK36 carb. I know its the jetting and my friends recommended I change the main jet. I am currently running stock jetting on a TMX 38 carb which is 460 main and pilot is 32. See stock sizes for this machine. Sep 9, 2013 · Recommend changing one jet circuit at a time rather than all three. /humidity whether course coudition main jet jet needle pilot jet air screw float level spark plug oil level comp. After the rebuild I am going to run 5 gallons with extra oil through it for the break in. Sep 6, 2009 · I tried a couple metering rods and finally figured I was spending as much time jetting the Lectron as with the stock carb. 5 stock) Needle: 6BGY23-75 Slide: 5 Jan 23, 2022 · BTW! the 2001 and 2002 RM125 are basically the same bike except for the POWER Valve Assembly components. Sep 30, 2009 · I found this in the September 2009 issue of Motocross Action Magazine. By BlueBalls125, a SA silencer, and a Vforce reed valve system. No carb on it when i got it. 3K views 3 replies 2 participants last post by dANbOT Jun 17, 2014 If you’re looking for 2002 news, the stock RM125 will have a new, works-like shifter. 5 pilot and was having some rich bog. Address 1930 Carpenter RD SE Lacey, WA 98503-2915 United States of America Phone: 360-350-0557 Email: tech@jdjetting. 0 out Main Jet 172 1997 Aug 1, 2019 · 2006 RM125 (Model K6) Needle Jet OEM PART# 13383-36FMO Main Jet (#370) 09491-74003 Pilot Jet (42. fmf shorty silencer. Jet needle - 6AEJ0-63-3rd. my altitude is 900 feet. Santa Fe Ave Rancho Dominguez, CA 90221-5514 PH: 310-631-4363 FX: 310-900-5699 www. I ordered FMFs jetting spec as a jump off point - 430 main 2nd clip, 27. Please remember that sometimes the stock OEM jetting will work just fine, other times you may have to make an adjustment, so use our suggestions below as a guide to help with your jetting problem. Jan 14, 2025 · 2001 SUZUKI RM125 Parts & Accessories. Jet Needle. Worn reeds will mimic rich jetting, and worn rings will mimic lean jetting. Good luck. 5. 32. 2002 Rm125 bored to a 144 Makuni 38mm (stock carb) New Pilot 25, stock needle, 2nd clip, 440 main, air screw 1 1/2-2 screws out Elevation 2700, air temp 30-45degrees. Replaced the plug (br8eg) which was black and then I swapped out the 42. But the 2001 PWR VLV Part Number(s) 32 & 33 can be converted to OEM Part Number 23. Jan 14, 2025 · Displaying parts for your 2000 SUZUKI RM125. Bike was a little blubbery down low so im going to move the needle. Oct 10, 2008 · Apr 9, 2002 8,062 17. RM 125 motorcycle pdf manual download. Please tell me the source and the Keihin Carb Jet Kits Suzuki 1986-1992 RM125. I've verified PV is working, timing is right, float heightSettled on jetting a the issue (I hope or its electrical). I hope its useful to some people. model guide Jet Ski; JB650 Aug 2, 2011 · 12/49 would not work for a stock 125 off the starting gate in a MX race. Jun 22, 2008 · If you follow the chart along, you will see that the stock jetting appears in the box for 70 degrees and 0’ elevation for the Main jet, Clip position, and Pilot jet. Front Tire: Chain: 520X114; Spark Plug: R6918B-8; Main jet: 460; Pilot Jet: 32. This SC2 SmartCarb replaces the stock Suzuki RM125 carburetor. The only motor mods on the machine are are an autolite XS4302 Xtreme Sports Iridium Enhanced powersports spark plug, the removal of the spark arrester/muffler outlet tube piece from the muffler and wht appeara to be an aftermarker stock flow air cleaner. In general, 'big bore' 125's (134/144cc) often responds to slightly leaner than stock settings. 6 feet above sea level. Mar 19, 2002 · 99 Rm 125 Jetting. There is too much information in the OEM Manual and opinions on jetting throughout different blogs, threads, TT Product search. Apr 17, 2008 · A smart man would print these out for future reference. The RM 125 K5 factory manual I have says the stock main jet is a 390. It doesnt like to really rev out like a 125 should. 5 turns out pending weather. I just installed a . I emailed Langston Racing and got a reply back from Gerald Langston, he said the the Doma pipes like to run rich and to start with stock jetting and lean it out one size at a time. Oct 13, 2008 #11 Pretty sure the 460 is the stock main jet for that bike, RM125's were generally very rich from the factory. 5 out Main Jet 175 1991 Pilot Jet 55 Needle R1369N Clip Position 2ND Air Screw 1. More Dirt Rider. 5 Clip Position: 2nd Air Screw: 1. 5 Main - 460 Aftermarket rebuild kits come with a 470 Main and 40 Pilot normally. All Activity; TT Picks; Podium; Search; More . 84 Rm125 Jetting. Pictures. bike is not rideable?. Forums; Clubs; Articles; Reviews Jan 21, 2004 · Just to show you how different everybody is: I have a 2003 RM125 w/ DOMA pipe an silencer and weisco piston and 100% C12 fuel. Its just not as crisp and responsive as a 2 stroke should be. Now just follow along on the chart and find your current riding conditions (Temp and Elevation) and the adjusted jetting predictions. PRO's have suggested running a bike LEAN in the Summer and RICH in the Winter. I also have Cycle Shack slip-on's, and an Arlen Ness big sucker air cleaner. 5 out Main Jet 175 1987 Pilot Apr 19, 2012 · I'd avoid any Suzuki made before 2004. Mar 28, 2024 · As for jetting baseline, the 2010 Yamaha YZ125 stock settings will get you in the ballpark. Feb 8, 2009 · Not sure but i think my 91 rm125 has a 35mm stock. Mar 21, 2010 · Alright guys I know what you're thinking. Ran better but still a little low speed studder. The cylinder needed resleeved so I sent it out to have that done also. 99 Main Jet 410 2003 Pilot Jet 40 Needle STOCK Clip Position 3RD Air Screw 2 out Main Jet 410 2002 Pilot Jet 30 Needle STOCK Clip Position 3RD Air Screw 1. I also have a 93 RM125 and this is what I'm running Can you be a little more specific with the problem your having? Oct 11, 2002 · Then you just take out the old 105 main, and slip in you 110 (For a stock TTR125 anyways) with a pair of pliers to hold the main jet nozzle, and a screwdriver to turn the jet. The plug is no where near tan and it always fouls out. I live Canada at sea level and roughly 60 degrees F. I expected more power now compared to the worn piston I removed, but the powerband doesnt seem to hit as hard as I expected. mxa race test: 2025 kawasaki kx250 mxa video: we test the 2025 ktm 350sxf two-stroke tuesday: complete test of the 2001 ktm 125sx servicing information 18-23 setting data date race/course temp. It's an MX bike and a 125 to boot so there is no lugging this motor just 13000rpms of screaming and putting power to the ground. less than 2000 feet altitude. The same goes for reeds that don't seal properly, and a silencer that needs re-packing. Bike seems to studder a little under acceleration then takes off good. May 24, 2016 · The 2002 stock jets are 460 main and 32. Last edited: Aug 18, 2008. By editorial staff. Recommended Posts. By yamahakid199106, May 23, 2015 in Suzuki 2 Stroke. I checked for plugged jets and passages and found none. Puts out a crazy amount of smoke. Pipe: Yoshimura Titanium Pro full exhaust Engine Displacement: 434cc, JE 12-1 Piston, Nikasil plated bore Cams: Intake/Exhaust Stock CDI: Stock Main Jet 168 2002 Pilot Jet 48 Needle STOCK Clip Position 3RD Air Screw 1. Tune your Carb "jetting" to your (sea level and ambient temperature). position re-bound adj. Start with the airscrew at 2 turns out and you will be within ¼ turn + or – from the optimum setting. Currently I have the stock main jet in (148) with the needle in the stock position. Old carburetor would have never pulled Aug 5, 2021 · Hello guys I recently purchased a 2004 rm125 and it has a 460 main jet and a 40 pilot with a 6chy16-62 needle on the 3rd clip. Rating. wax wntu vemt gygjh pjmrtwf oxcarjq kzzg oaet uwxgt juwwncw