- YFZ450 valve clearance (2 replies)
- FDO studs (5 replies)
- 400ex weight of engine? (5 replies)
- 250r still leaking (1 replies)
- where to get a good 426 kit (20 replies)
- T-4 or HMF for utility? (1 replies)
- Ct Racing Exhaust (5 replies)
- 440 kits?? (9 replies)
- 300EX with 350x engine? (6 replies)
- Help (8 replies)
- hotcams stage 1 or 2 (9 replies)
- power kit (8 replies)
- white bros (0 replies)
- Quick? (6 replies)
- carb mod for 416ex (10 replies)
- 11:1 stockbore (2 replies)
- FST Oil Cooler w/ pics (20 replies)
- Dirt Bike Ignition problems PLEASE RESPOND (3 replies)
- 250r shift shaft leakage???????? please help (3 replies)
- Carb Problem? (12 replies)
- quick help plz? (0 replies)
- losing the faith in my engine!! (5 replies)
- am i suppose to put filter oil on outerwears? (3 replies)
- Help WB pipe (13 replies)
- Smoking a lot plz help! (1 replies)
- What would Happen? (6 replies)
- 300ex FST oil cooler pics (0 replies)
- kill switch hook up (1 replies)
- automatic cam tensioner? (12 replies)
- Water Wetter??? (1 replies)
- Engine Cases (0 replies)
- 300ex kick starter (4 replies)
- Motor???? (1 replies)
- Axle Problems (3 replies)
- Throttle hesitation question (9 replies)
- Pipe Question... (8 replies)
- What have you heard about a Muzzy? (3 replies)
- new 416 cutting out (2 replies)
- head gasket question (6 replies)
- 300ex head pipe? (1 replies)
- CRD Exhaust - anyone had any experience with them? (2 replies)
- 400EX, can it go fast? (38 replies)
- 200x atc motor question (4 replies)
- maybe a 416 now....anyone with a 416 chime in please....how long since you've rebuilt (25 replies)
- 400ex Kits (10 replies)
- Pics of Tinners or OMF Air Scoops (15 replies)
- Jetting Survey for 40mm FCR Carb (3 replies)
- Oil?? (11 replies)
- decompressor (2 replies)
- First ride on my 400EX (9 replies)
- 400ex big bore kits (6 replies)
- Need help ASAP on exhaust problem (3 replies)
- baffle (0 replies)
- Stupid question! loctite when rebuilding motor? (16 replies)
- wut jets for my 250x (1 replies)
- head gasket (1 replies)
- K&N or UNI Air Filter???? (16 replies)
- which pipe is better yosh or sparks (10 replies)
- 426 jetting? (6 replies)
- 250r on pump gas (17 replies)
- Gas (4 replies)
- big bore? (1 replies)
- one more performance question before i order (10 replies)
- yooshimeria pipe, jetting (7 replies)
- exhaust interchangeability (2 replies)
- what size sprockets? (1 replies)
- piston dilema (2 replies)
- Jetting (4 replies)
- hmf (0 replies)
- 250x exhaust (2 replies)
- xr400 motor (2 replies)
- Please give me some advice on how bad this really is.... Bolt broken in motor (22 replies)
- running like s**t (4 replies)
- procircuit t4 (12 replies)
- 250x won't run! (11 replies)
- Fdo Wtf (4 replies)
- moose (bulb) exhast (1 replies)
- AIr Filters (12 replies)
- holeshots (1 replies)
- Dg Rcm (7 replies)
- ok (1 replies)
- Lonestar Racing contact? (11 replies)
- axle carrier? (5 replies)
- Smoking EX (6 replies)
- graydon proline exhaust (1 replies)
- PLease Help asap (8 replies)
- MBRP slip-on Jetting ? (5 replies)
- which exhaust (1 replies)
- Sparks Key and Cam (1 replies)
- Heli-Coil Kit (5 replies)
- Fcr (1 replies)
- Paul Turner Mid Range Pipe (5 replies)
- what size jet (4 replies)
- White Brothers Rev-Kit (4 replies)
- pipes (3 replies)
- av gas ratio? (4 replies)
- hmf pipe (3 replies)
- big bore questions...help!!! (6 replies)
- gearing link? (3 replies)
- well the threads pulled out of the cylinder (13 replies)
- Man this is frustrating (3 replies)
- water in steering stem??? (7 replies)
- Quick Twin air Question (7 replies)
- No wonder it was loud!! (20 replies)
- sunk the forman please help!! (2 replies)
- Looney Tuned Exhaust or Sparks X6 (10 replies)
- 400ex crankcase problem/question? (2 replies)
- Sparkplug Gapping (9 replies)
- Why does high octane race fuel burn cooler? (3 replies)
- Kickstart EX (1 replies)
- UH OH broke off an exhaust bolt (14 replies)
- how can you tell how many disks? (9 replies)
- 87 250X Rejetting (5 replies)
- FCR Carb (1 replies)
- 400 jetting??? (1 replies)
- 11:1 comp? (10 replies)
- 14 tooth front (19 replies)
- power up package kit (8 replies)
- How does Sparks X-6 compare to Big gun? (11 replies)
- exhaust (1 replies)
- i need help...which motor is taller 426 or crf 450 ? (5 replies)
- 400ex to 250x (4 replies)
- vibration? (3 replies)
- ??????? will it work ???????? (1 replies)
- 300ex jetting (3 replies)
- big bore kits (2 replies)
- some AIR questions??? (1 replies)
- 400ex engine questions (3 replies)
- Kick Start 400ex (2 replies)
- Port And Polish (3 replies)
- 300ex bogging/stalling on uphills (22 replies)
- Exhaust Question (4 replies)
- ehaust (2 replies)
- exhaust (13 replies)
- Exhaust for my 300EX (10 replies)
- Srarks Timing Key (26 replies)
- pro flow kit (3 replies)
- pistons (2 replies)
- Stock exhaust on big bore (5 replies)
- need help. yamaha warrior carb (1 replies)
- 2004 carb (3 replies)
- Sputtering R (4 replies)
- Need Help!!!!!! (1 replies)
- stiff throttle (1 replies)
- Oil Leak (0 replies)
- High flow air filter other than K&N? (1 replies)
- Stock 250ex running very rich? (0 replies)
- lt250r problems (3 replies)
- WB Filter? (1 replies)
- lectron carb. Help (8 replies)
- 400ex Sproket and tyre selsction (20 replies)
- Jetting shortcuts? (6 replies)
- Herrmann Racing Carrier (0 replies)
- am i just stupid or what? (4 replies)
- will this work ???? (2 replies)
- Does polishing the exhaust ports benefit a 400 much??? (2 replies)
- 87 honda 250x (3 replies)
- 400ex help (4 replies)
- sprocket for a 440 (1 replies)
- piston diameter (2 replies)
- 400ex valve problem (2 replies)
- Shortening an HMF exhaust (15 replies)
- Help (4 replies)
- Is it my battery or charging system? (8 replies)
- Carb Leaking (4 replies)
- Jetting For Wb E Series (8 replies)
- Jetting lol (3 replies)
- changing valve springs for a cdi box?? (2 replies)
- installing 14t front sprocket, do i HAVE to change rear and chain? (5 replies)
- wb e2 (1 replies)
- my 400 wont start (6 replies)
- 427 wont start (2 replies)
- Slip on (2 replies)
- hey guys i gotta ? about piston compressions (27 replies)
- LT Clutch Help? (3 replies)
- Twist Throttle installation..is something wrong?? (0 replies)
- 250r leaking coolant (8 replies)
- timing chain guide? (2 replies)
- 400EX degree keys? (6 replies)
- Is it supposed to start in gear? (15 replies)
- oppinions on edelbrock quick silver carbs (0 replies)
- Need QUICK Help!! (1 replies)
- Where did everyone get their FCR 39 &41 Carbs From??? (9 replies)
- 400ex Jetting Please Help! (2 replies)
- 250X with KTM motor on EBAY! (7 replies)
- electric start problem (3 replies)
- 300ex needle position (2 replies)
- DG xcellerator (1 replies)
- Need help (2 replies)
- what size rear sprocket?? (6 replies)
- ProFab 385 kit (8 replies)
- Revving Very High When low on gas, Couldn't Kill the Engine!!!! (34 replies)
- What oil should I use? 1st oil change after rebuild... (6 replies)
- Rejetting 300ex tonight...need help please? (3 replies)
- Z400 with HMF jetting (1 replies)
- good pipes for 250ex (6 replies)
- Mismatching headers and silencers? (6 replies)
- New 400EX Mods (13 replies)
- Aftermarket 400ex Needle (4 replies)
- Carb leaking lots of gas in on Pos. (2 replies)
- Blueing on pipe.... (6 replies)
- cracked stock header (6 replies)
- 416 problem (1 replies)
- sparks x6 problems (9 replies)
- feul to air and main jet? (3 replies)
- 165 main and still popping what should i do? (8 replies)
- PIPes (2 replies)
- 300ex bore (2 replies)
- Engine Problems ? (11 replies)
- dual exhuast (2 replies)
- valve spring compressor (2 replies)
- warm engine tick (6 replies)
- stock volume of a 400ex(?) (3 replies)
- Attention Sparks Exhaust Owners (0 replies)
- Another 400EX jetting problem =-) (16 replies)
- Chain adjustement! (2 replies)
- High Flow Aluminum Airbox (1 replies)
- Cam Chain (2 replies)
- Can anyone post pics of there engine rebuild?? (1 replies)
- freakin 300ex (6 replies)
- 250x wiring PLEASE HELP (2 replies)
- timing chain tensioner (6 replies)
- oil level (6 replies)
- cam (11 replies)
- FCR - 185 Main and Still Too Lean- WTF? (12 replies)
- 416 or 426 (11 replies)
- dyno jet kit (6 replies)
- sparks (5 replies)
- -------------carburation-------------- (2 replies)
- wont start (0 replies)
- clutch torq (0 replies)
- mixture screw (2 replies)
- Burned Valves (1 replies)
- Sorry Just Have to Post This (6 replies)
- HELP!!! chain snapped and is stuck............. (16 replies)
- Assembly lube (1 replies)
- do i need to bore for 416 or 426 (4 replies)
- anyone running the fcr 40mm?? (14 replies)
- what size socket? (4 replies)
- whats a better exhaust? (19 replies)
- Any Silver Lake rider's have HMF pipes? (11 replies)
- anybody know??? (0 replies)
- 400ex flywheel puller i need one asap (10 replies)
- Hot cam (5 replies)
- ticking (1 replies)
- oem 400ex subframe (2 replies)
- Put my LTE Duals on the EX tonight...... (70 replies)
- white bros rev box (9 replies)
- $300 for a complete 440 motor i think it is a good deal do you? (3 replies)
- 450R FCR adapter here--> (3 replies)