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- R4 E-series (2 replies)
- Clutch cable (1 replies)
- .120 over is how many cc's??? (13 replies)
- Clutch Trouble? (1 replies)
- Which companies make pipes for the YZF 426 (quad version)?? (12 replies)
- new clutch? (1 replies)
- Turbochargers! (18 replies)
- Looking at a 440EX, have some n00b questions (3 replies)
- help quick!!! (2 replies)
- top speed (15 replies)
- jet size (9 replies)
- Building a 416ex (2 replies)
- 300 engine mods (again) (6 replies)
- need wiring harness help (4 replies)
- newbie ?'s (5 replies)
- heat guard (0 replies)
- 14 tooth front sprocket (9 replies)
- 440ex jetting ? (1 replies)
- 250EX Manuel Clutch (4 replies)
- What are all the mods you can put into a quad in order to increase power? (6 replies)
- 300ex with 14t sprocket (6 replies)
- Jardine Exhaust (2 replies)
- SOLID 416 Advice needed Quick. (35 replies)
- Stock Exhaust Question (2 replies)
- need 300ex valve specs. (2 replies)
- 250ex valve specs (2 replies)
- 250EX vent hose routing (4 replies)
- Carb Vent (2 replies)
- xr 650 or xr 600 (1 replies)
- 300EX Sprockets and Tires (5 replies)
- What's next??? (11 replies)
- aftermarket clutch (4 replies)
- Clutch problem HELP (7 replies)
- mechanics only, plz help (11 replies)
- for all the mechanics!! (2 replies)
- help!! z-50 (9 replies)
- 300EX clutch problems (3 replies)
- 420ex (4 replies)
- free mods (4 replies)
- Clutch problem help me out (2 replies)
- Best after market chain to buy thats not too much $ (14 replies)
- 350X conversion .... (15 replies)
- wiseco's new 12.5 to 1 piston (0 replies)
- valves/T alignment (1 replies)
- 300ex carb problems!need help asa (0 replies)
- different battery (0 replies)
- where to get flywheel shaved (2 replies)
- valves, help pleas (2 replies)
- Which Exhaust Setup? (4 replies)
- My Sprockets Won't Line Up!?! (21 replies)
- Adjusting Valves with the Sparks key installed (5 replies)
- 400ex and Z pipe clamp (3 replies)
- CHM exhausts (5 replies)
- Predator Handling ??? (10 replies)
- Idiot's Guide to More Power on 400ex (2 replies)
- clutch spring (0 replies)
- Gas Problems (3 replies)
- help 300ex riders (6 replies)
- what should i run? (1 replies)
- Hindle Exhaust (1 replies)
- 400ex carb difference!!!!! (7 replies)
- Best Airfilter? (4 replies)
- The disks on the E series (1 replies)
- crf250 (5 replies)
- such thing as a hush kit for dmc exhaust? (5 replies)
- '96 Warrior (0 replies)
- pro circuit pipe wow!!!!! (10 replies)
- which pipe to choose for my 250ex (28 replies)
- I need kill switch install info. (3 replies)
- Sparks Clutch Kit ???s (7 replies)
- HElP (2 replies)
- anyone have this setup?? (4 replies)
- Everybody post their sprocket sizes please!!! (25 replies)
- Where did my sixth gear go (14 replies)
- Oil change Question? (7 replies)
- utility parts (5 replies)
- Can You Put A.... (2 replies)
- Need valve clearances for stock 300ex ASAP (1 replies)
- easy engine question (1 replies)
- which is the best????? (13 replies)
- back fireing ex (7 replies)
- 300ex/350x wiring (2 replies)
- FMF 250r !! (4 replies)
- Chain size (10 replies)
- 87' 250x tranny problems.... (13 replies)
- My YZF/400ex conversion pipe (6 replies)
- 250ex exhaust (1 replies)
- exhaust (2nd try) (9 replies)
- exhaust?? (1 replies)
- what pipe??? (0 replies)
- Blown head gasket....again (18 replies)
- HMF full exhaust ques... (5 replies)
- jetting question please help (1 replies)
- Bigger pilot=Higher Idle?? (2 replies)
- 300ex motor....tell me if this will work..... (11 replies)
- Recommendation for big bore kit(300) (8 replies)
- Jetting?? (3 replies)
- 36 tooth rear sprocket. (5 replies)
- white bros exhaust (2 replies)
- What do you guys think of the WB R-4? (31 replies)
- 300EX to 650EX???? (16 replies)
- jet question (0 replies)
- Sell 300 for 250r ?? (8 replies)
- help broken exhaust head bolt (1 replies)
- 416 Race Gas (17 replies)
- Moto 440 vs. 440ex (68 replies)
- 250ex vented valve cap (4 replies)
- Different Started Button. (6 replies)
- 400ex Engine (1 replies)
- What do you EX Riders Think? (13 replies)
- 400 ex camshaft question (5 replies)
- 400 ex jetting (3 replies)
- Blue smoke (6 replies)
- Renthal front sprocket (2 replies)
- .75 over =? (9 replies)
- Need Help with this Axle Bearing ASAP!!! (7 replies)
- Engine Help (0 replies)
- little tip for ya (15 replies)
- R4 Headpipe? (7 replies)
- FMF Power Core 4-2 and x-4 head pipe (0 replies)
- Piston Question (8 replies)
- Airbox Lid Vs. Dad (13 replies)
- taking the choke off (1 replies)
- Jetting Please Help (2 replies)
- Is there an easier way to put the Ring that goes around the carrier on????? (5 replies)
- Cam chain install.............. (2 replies)
- Yet another jetting question (1 replies)
- Sanding clutch plates (7 replies)
- White Brothers Air Filter (3 replies)
- case saver (4 replies)
- 250r clutch plates on a 400ex? (5 replies)
- help putting on a new clutch return spring (6 replies)
- white bros exhaust (3 replies)
- Something is rattling in my motor? (20 replies)
- Stock air filter (5 replies)
- Oil on K&N (4 replies)
- knocking sound? (5 replies)
- .040 bore over (1 replies)
- Is 300EX 250X CDI box the same (1 replies)
- 250r bore (2 replies)
- choke removel?? (1 replies)
- FCR 39 carb + 416 (30 replies)
- new jets (0 replies)
- Jetting.... (25 replies)
- 67.5 overbore on a 250R (3 replies)
- Clutch??? (1 replies)
- R wont run for more than 5 min (13 replies)
- Jetting, Jetting, Jetting (9 replies)
- what race gas?? (13 replies)
- i want to mix not let the injector???? (20 replies)
- jetting (0 replies)
- 300ex Valve Timing (5 replies)
- 250x/300ex head urgent !!!! (0 replies)
- yz 250 piston in a 250r engine (17 replies)
- Whats going on here (8 replies)
- Head Shaving Question For '03 Yz 125 (4 replies)
- M-4 Slip on... (5 replies)
- New exhaust!! (4 replies)
- degree key slip? (0 replies)
- 250x jetting (7 replies)
- It's alive (jetting trouble part 3)!! (8 replies)
- which pipe last one (17 replies)
- i know what your gonna think.... (6 replies)
- 400ex Jetting (2 replies)
- Taller Gearing or Shorter Gearing? (3 replies)
- Stage 1 HotCam (1 replies)
- engine sputtering (1 replies)
- cannot get woodruff key off the shaft (7 replies)
- oil puddling around valvespring????? (3 replies)
- What head pipes fit with the CFM oil tank??? (8 replies)
- Tires?????????????????????????? (1 replies)
- atc 250r jets (3 replies)
- Idling problems (0 replies)
- rev box (12 replies)
- cooling the 400 (5 replies)
- Help Please-plug Keeps Fouling (4 replies)
- crank case broke (6 replies)
- Need Help, Starts to sputter after 1/4 throttle (5 replies)
- Idling trouble (4 replies)
- Where to buy new swing arm axle carrier bearings for aftermarket twin row carrier? (6 replies)
- Jetting and Cam Question (3 replies)
- FCR 40mm (3 replies)
- 300EX Case Cracking around Motor Mounts (2 replies)
- Axel question!!!? (0 replies)
- Where is the cheapest place to buy New Lonestar axles? (18 replies)
- Price of new OEM valve springs??? (10 replies)
- Valve Test? (12 replies)
- 300EX wont start...eletrical problem?? (15 replies)
- Airbox question (1 replies)
- Where to get a 36 & 35 tooth rear sprocket FAST!!! (11 replies)
- Help me choose an axle. (7 replies)
- will i have to rejet? (2 replies)
- hotcam stage 1 (4 replies)
- Whit Brothers R4 (4 replies)
- 300ex..wire diagram.. (2 replies)
- Nitrous?????? (11 replies)
- floats? float bowl? (4 replies)
- cdi box- rev limiter? (0 replies)
- 36t harder to pull wheelies? (8 replies)
- Question (2 replies)
- Degree key (9 replies)
- Pilot screw, quick rep please. (2 replies)
- TC rev box for 400ex (2 replies)
- Jetting? (1 replies)
- Stock 400EX king of the drag strip?!? (17 replies)
- gas leaking out of carb (10 replies)
- gas/oil, in in in filter , air intake (1 replies)
- decompression install???? (3 replies)
- 300ex Missing Out (6 replies)
- My bike cuts out when.... (3 replies)
- whats the MAX HP of a 416ex? (14 replies)
- hp/torge (2 replies)
- CASE SAVER for 300EX (1 replies)
- some help with jetting? (0 replies)
- lt500 (4 replies)
- 250EX clutch (10 replies)
- I got a problem (4 replies)
- gas around head. (4 replies)
- bore kits for a 300ex (10 replies)
- need help please!!! (4 replies)
- clutch suggestions (11 replies)
- How many replacing Intake valves (2 replies)
- 300 ex not running good (4 replies)
- Part 2 of my jetting saga... (11 replies)
- Adjusting engine to TDC (12 replies)
- Help? I modified a 400ex to a 465 stroker with opened airbox+WB r4+powerbomb header (2 replies)
- Help? Is my 1999 400ex geared different than 2000-2003 (6 replies)
- I Need Help!!!!!!!!!!! (6 replies)
- For peoplewith service manuals! (2 replies)
- Hot cam (3 replies)
- Stage 1 dg xcellerator (1 replies)
- New Bearing Carrier (4 replies)
- crab and flywheel. Need help!!! (5 replies)
- chains which one? (2 replies)
- 416- Stronger Valve Springs?Y/N (9 replies)
- AVgas (8 replies)
- 400 Dmc (5 replies)
- trx 250x cams (1 replies)
- 440EX got beat! (62 replies)
- Sprockets?? (8 replies)
- dead kick in 250"" (8 replies)
- i cant get my bearings out (4 replies)
- Help! wont idle (6 replies)
- put my big gun on today (8 replies)
- Please Help, its april Vacation! (15 replies)
- What plug in 250r (9 replies)
- 416 bore and stroke (14 replies)
- Spark Plug Question (0 replies)
- Lonestar axle (13 replies)
- Will this axel work? (2 replies)
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