View Full Version : ATV Powertrain
- What is stock main jet?? (12 replies)
- Blue smoke? (1 replies)
- oversized headpipe needed (1 replies)
- Way To Rich (10 replies)
- Douglas wheels (4 replies)
- Where am I? (9 replies)
- 250r clearance question? (5 replies)
- 15 or 16t front sprocket? Please help (5 replies)
- what is the lrd pipe made of (0 replies)
- 440 kit where to start??? (10 replies)
- Carb Question? (8 replies)
- electric cut out for parking brake (1 replies)
- put my quad on a dyno again (21 replies)
- 14th sprocket with 22'' tires (5 replies)
- Fast 300EX (9 replies)
- Pipe dilemma (6 replies)
- 300ex cuts out at half to full throtle (4 replies)
- What size jet kit do I need? (1 replies)
- 300ex big bore? (8 replies)
- Question about FCR 39mm Carb... (5 replies)
- t-4 and megamax db levels (12 replies)
- Oil. where it shouldn't be! (2 replies)
- it blows out blue smoke! Help (4 replies)
- XR header swap (0 replies)
- how much gains should i expect? (2 replies)
- 400ex slip-on (3 replies)
- 300ex rebuild... (7 replies)
- Removing the evil Limiter (7 replies)
- rev limiter on 300EX (1 replies)
- Supertrapp with stock headers? (4 replies)
- Bought a 400ex carb now what? (6 replies)
- Case Savers (After market a joke) (26 replies)
- Engine Poping (9 replies)
- How loud is a white bro's pro meg? (2 replies)
- 400ex motor kit? (16 replies)
- yoshi exh. system on a 250ex? (0 replies)
- pro design kill-swith help (9 replies)
- Question on chain tightening on a 300ex!! (5 replies)
- supertrapp (1 replies)
- Vibration in High RPMs (7 replies)
- 250r bottom end rebuilt? Do i need it and how much $? (2 replies)
- The Dreaded Subject But Im Not Having Any Luck (2 replies)
- Air Filters (15 replies)
- air filters (0 replies)
- need help fast... (9 replies)
- Timing Chain (0 replies)
- PSI to Compression relation (4 replies)
- Thinking about some mods ??? (1 replies)
- Fmf Or Cobra? (8 replies)
- 440 ? (0 replies)
- Holy Crap!!!!! (11 replies)
- head gasket w/ a 440 (2 replies)
- Have you Decked the cylinder (209 replies)
- octane? (7 replies)
- Modified Stock Carb (3 replies)
- Where to get Lower Rod Bearing and Crank Pin for a 400EX (1 replies)
- Got another question about break-in. (1 replies)
- Does anyone know the valve settings of the 250ex? (1 replies)
- bogging...... (11 replies)
- Curtis Sparks 40 kit???? (4 replies)
- quick gearing question (1 replies)
- carillo rod (3 replies)
- yoshi header... (1 replies)
- stock bore and high compression piston is enough (3 replies)
- FMF or White Bros.? (7 replies)
- delima (14 replies)
- GT Thunder cam vs. TC Racing cam (3 replies)
- Making A D.g. Head Pipe...shoter..?? (0 replies)
- 250x/300ex jetting (2 replies)
- Big Gun or White Bros for 300ex (5 replies)
- 200.00 cdi you pay for a drill hole (19 replies)
- outerwares (2 replies)
- Valve Question (3 replies)
- Alcoholic 416 (3 replies)
- gt thunder (6 replies)
- Front or rear sproket? (2 replies)
- Got it apart, Now can I put it back together... (14 replies)
- CT racing exhaust (5 replies)
- White Brothers Race Cam (13 replies)
- What's The Best Place To Order An Xr400 Cam From ??? (5 replies)
- Buying a used FCR 39mm.. (4 replies)
- What to do, what to do.....? (22 replies)
- another cam question (1 replies)
- where do you get things installed? (2 replies)
- Engine noise (3 replies)
- 300ex pipe (4 replies)
- Need Price Fast< Wb E Series (7 replies)
- help!!! (1 replies)
- 250r cylinder question? (4 replies)
- HELP!~!~!~!~Won't run~!~!~ (2 replies)
- #42 pilot jet (5 replies)
- Help with MAGURA clutch installation..... (21 replies)
- HELP, Cylinder removeal, cant get it off. (2 replies)
- Changeing heads on a 300EX (7 replies)
- Need advice with White Brothers pipe... (1 replies)
- 440ex jetting,help me PLEASE! (2 replies)
- shifting problems (4 replies)
- Chain and throttle (1 replies)
- what happins when runnin to lean or rich????? (2 replies)
- best exhaust system (12 replies)
- rode my new tc stroker 440 today (7 replies)
- Home made 300EX oil cooler (12 replies)
- choke (1 replies)
- outwears air box cover... (9 replies)
- White Bros. E series Without end cap (5 replies)
- 300 vs. cam??? (2 replies)
- 250r motorheads? (3 replies)
- Last min. questions before dropin in 416 and xr400 cam... (8 replies)
- not your typical aluminum airbox question? (2 replies)
- what chain..... (4 replies)
- 145-150 main jet (1 replies)
- XR400 cam re-review (drag race results) (17 replies)
- a couple engine questions... (1 replies)
- fmf megamaxx II (17 replies)
- best engine mods for a 400ex??? (2 replies)
- Pipes and Filters (1 replies)
- Quiet Pipes (5 replies)
- rigid,kinking chain?? (6 replies)
- My Chain Did Not Want to TIghten Up (39 replies)
- more FCR carb help!! (1 replies)
- Since I'm changing the rings... (1 replies)
- Help! (6 replies)
- New Fmf Quiet Core Exhaust.... (2 replies)
- 250R help (22 replies)
- Please Help Me!!!!!! (12 replies)
- FMF Powercore IV (0 replies)
- 465 stroker kit from trinity racing (7 replies)
- Crank Rod???? (3 replies)
- Trouble Shifting (5 replies)
- not your typical W/B question (3 replies)
- what kind of power should i expect out of my new motor (9 replies)
- WB E-Series smoking? (2 replies)
- REV kit for a 400EX (19 replies)
- 400ex Problem (3 replies)
- Now she's got some juice...But (9 replies)
- 400 ex pipe question (2 replies)
- Front Sprocket on 300EX (0 replies)
- got cyclinder honed how to clean (2 replies)
- Smoking Like A Gun! (1 replies)
- Carb Problems really need help (9 replies)
- wiseco .020 over piston??? (4 replies)
- carb problem on ATC 250r (4 replies)
- HMF Exhaust (3 replies)
- Duncan double barrel help!!!! (12 replies)
- Just got 400ex and have a problem!!! (24 replies)
- uni-filter or twin air? (4 replies)
- FCR 39 Carb Help Requested (5 replies)
- 440 Head Gasket?!?!??! (2 replies)
- Another K&N Question (7 replies)
- WB Silent Core Insert (1 replies)
- Duncan Fatboy Iv (10 replies)
- Repacking White Bros. exhaust (0 replies)
- w/b installing disk (i am having some trouble) (32 replies)
- case saver question need help (0 replies)
- fmf (8 replies)
- Port & polish with a stock (rejetted) carb? (10 replies)
- Need Help Installing a 14 thooth front sprocket on a 300 EX (8 replies)
- what should i do ..... (please reply as soon as you can) (3 replies)
- Head Pipes (1 replies)
- No cylinder base gasket. (21 replies)
- 14t (2 replies)
- Biggest power gain for a 300EX (2 replies)
- 250X Exhaust (1 replies)
- bigger oil coolers for 400ex???? (13 replies)
- Tuning Wb E Series (15 replies)
- HRC vs. XR400 cam???? (2 replies)
- yoshimura vs. white bros,!!!!!!!!!!!!!! (4 replies)
- Hey guyz really need your answer on this one (5 replies)
- rejetting carbs (1 replies)
- 400EX Front Sprocket Help (2 replies)
- 250EX Exhaust MOD (5 replies)
- rev kit and woodruff key (0 replies)
- 41 or 39 FCR? (5 replies)
- ? RE: K&N Filter (3 replies)
- 2 questions (0 replies)
- Will not start! HELP!!!!! (3 replies)
- how much more power? (5 replies)
- Changed Front Spocket (8 replies)
- 300EX Big Bore Kits (4 replies)
- 250x Bottom End's Worth (0 replies)
- Cam replacement question.... (1 replies)
- 350x air boot, right? (9 replies)
- XR500/350X Conversion (0 replies)
- Thinkin of sellinmy Ex (0 replies)
- complete system or just the pipe (1 replies)
- Will not Start? (2 replies)
- t-4 slip-on (5 replies)
- Best carb? (11 replies)
- Denton steering stabilizer (14 replies)
- cam & rockers help please (17 replies)
- Needle jet (4 replies)
- 416 advantages over 440? (7 replies)
- Best deal on White Bros E-Series Pipe? (2 replies)
- bore kits (1 replies)
- will 158 main be too rich on stocker? (2 replies)
- Aluminium Airbox (9 replies)
- HELP! 250x wont start when its cold outside (5 replies)
- Best cam to run with 440? (7 replies)
- Manual clutch on a TRX90 (0 replies)
- high altitude jetting (7 replies)
- To lazy to read back posts about 440 (5 replies)
- Lower Gear Ratio (2 replies)
- Will my MP twist throttle cable work with my stock thumb throttle? (1 replies)
- White Bros Pipe (5 replies)
- Stock off/runoff switch ?'s (10 replies)
- Modifying the stock silencer? (1 replies)
- ?more octane = more power? (4 replies)
- questions bout my 300ex. (jets,octane, oil) (0 replies)
- Blown Head gasket! Need Recommendations For A New One. (3 replies)
- 300ex vs 300ex (20 replies)
- 300ex Stock exhaust Mod (2 replies)
- Pro-Meg Carbon Pipe?? (6 replies)
- .025 bore in 400ex (6 replies)
- 416, 425, or 440?? (5 replies)
- Call me stupid but i am still having trouble w/ pro kill switch (7 replies)
- 16t front with 416 (3 replies)
- Im Sorry Im Sorry Im Sorry !! (3 replies)
- Cam?? (1 replies)
- main jet size (1 replies)
- Curtis Sparks Ignition Key (1 replies)
- pilot jet (9 replies)
- Does anyone have a CT Racing pipe and muffler for a 300? (0 replies)
- New 300ex burning oil (1 replies)
- Sprocket suggestions (6 replies)
- Methanol, How much gain and who is the best for set up sending it closely jetted (1 replies)
- big gun spark arrestor (0 replies)
- 300 spark plug gap (1 replies)
- Help E.s.r. 310 Kit (1 replies)
- dg 2-stroke pipes? (3 replies)
- List of Promblems (3 replies)
- where to buy (1 replies)
- changing airboxes!! (400ex) (5 replies)
- 400 oil cooler (2 replies)
- CARB OR CAM? Pls. help me guys. (32 replies)
- here's a little help with bore sizes (4 replies)
- 300ex big bore? (5 replies)
- HOTT440EX/LRD Big Bore Exaust (3 replies)
- powertrain (0 replies)
- hrc cam? (5 replies)
- 250x help (5 replies)
- Warranty iSSUES (4 replies)
- 400ex PIPE HELP (8 replies)
- 330EX Sleeve? (1 replies)
- What mods required with 416, 425, 440? (11 replies)
- Pro kill switch some help please (5 replies)
- 400ex problem, please help!! (15 replies)
- Cant Decide... (7 replies)
- Fuel Strainer Screen on 300EX? (2 replies)
- Weak spark, help !! (5 replies)
- alky carb for 400ex (2 replies)
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