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- Which Pipe??? (92 replies)
- Which air filter? (2 replies)
- another cam question (1 replies)
- some questions about the 300ex (19 replies)
- clymer manuals (2 replies)
- Exhaust Welds.... (1 replies)
- valvetrain concern?? (5 replies)
- 300ex carb swap? (2 replies)
- 400ex noise... (7 replies)
- Timing (3 replies)
- Do i need OUTERWEARS with my stock filter??? (2 replies)
- Tc racing ? (1 replies)
- Got A Technical ? (0 replies)
- what jet to use??? (0 replies)
- Pulling out the Engine (9 replies)
- Graydon Proline Pipe for 250x (3 replies)
- How much piston clearence should i leave when boring my cylinder? (2 replies)
- Is my 300's clutch dying? (4 replies)
- Do you guys think this is too lean or what? (16 replies)
- how many teeth? (3 replies)
- noise ? (3 replies)
- carb (0 replies)
- Exhaust's (3 replies)
- xr cam or tc mx cam? (20 replies)
- Carb drain tube (8 replies)
- Billet Assessory (1 replies)
- needle jet (3 replies)
- front sprocket question (3 replies)
- Scrpion Pipe!!! (2 replies)
- Finally got the pic to work this time.... (18 replies)
- motor kit 300ex (4 replies)
- slowly dieing (2 replies)
- counterbalance (0 replies)
- back to stock pipe but with cam? (4 replies)
- Need Help, Engine Bleww PART 2.... Read (5 replies)
- i need help! (2 replies)
- sparks racing phone# ?? (1 replies)
- Adjusted Valves today (8 replies)
- What should I do. (1 replies)
- 300ex low-mid rpm hesitation (2 replies)
- 39 fcr carb questions (2 replies)
- fmf megamax II (8 replies)
- 300ex Piston question (7 replies)
- getting 400ex tomorrow (2 replies)
- People Out To Ruin our Sport (16 replies)
- Just Wondering? (2 replies)
- 2002 Dirt Wheels -TOP SPEEDS (6 replies)
- FMF Megamax (8 replies)
- Rear Hub bolt size? (3 replies)
- How much plastic removal for a 02 400EX re-jet? (8 replies)
- FMF Megamax (2 replies)
- Hmf (3 replies)
- electric (7 replies)
- Barnett Clutch Install Tips...... (1 replies)
- Needle Replacement in a 39mm FCR Carb? (6 replies)
- I am Sleeping catfish's brother (11 replies)
- 400ex Potential? (3 replies)
- Can My exhaust be painted?? (2 replies)
- LRD pipe (0 replies)
- HMF Pipe (0 replies)
- High Octane Fuel!!!! (10 replies)
- Air Filter??? (5 replies)
- Why A PIPE??? (9 replies)
- What Octane for the 400ex (5 replies)
- oil leak (0 replies)
- What is the purpose of running high octane fuel? (21 replies)
- Something happend today with my 400ex (0 replies)
- Time for Head Work Yet? Or...? (1 replies)
- What Engine Kit is better for drag racing? (5 replies)
- Chaine length? 300ex.. (2 replies)
- sleeve???? (4 replies)
- what carb to get? (2 replies)
- I Need Help!!!!!!!!!!!! (2 replies)
- Drag race question! (1 replies)
- no nuetral light (4 replies)
- Whats wrong?? (4 replies)
- Need HELP, Engine Bleww!!! (26 replies)
- Ring gap (1 replies)
- Alcohol in 400ex? (1 replies)
- Sparks or WB E-Series?? (2 replies)
- BOOM lost power! (15 replies)
- Water in Carb. (1 replies)
- 400ex gas tank? (1 replies)
- "ATV Smart" people only!!!!! (13 replies)
- 416 kit (9 replies)
- Synthetic Or Not? (2 replies)
- Shifting Problems (2 replies)
- High Comp piston (3 replies)
- Biggest motor that will fit in 300ex frame (7 replies)
- How Do You Measure the Wheelbase? (7 replies)
- what is the best chain and sprocket to buy (3 replies)
- how to tighten chain? 300ex (3 replies)
- Sound/Video Clips of aftermarket pipes? (2 replies)
- Overdrive Gears (0 replies)
- 250R Problem (10 replies)
- Dmc Dual (0 replies)
- adjusting 400ex air screw (12 replies)
- Need Help!! (4 replies)
- Need help from Ex Experts (19 replies)
- exhaust baffle (7 replies)
- 250x starting probs (12 replies)
- tc pipe mod (3 replies)
- Jet Kit question (0 replies)
- powertrain (2 replies)
- Powertrain (2 replies)
- 416 kit (3 replies)
- Damage? (3 replies)
- stock carb cfm (1 replies)
- Camshaft specs (2 replies)
- TC or Sparks (8 replies)
- Grinding Welds??????? (3 replies)
- 400 ex engine mods! can i do them? (5 replies)
- 400 ex top speed????? (53 replies)
- Motor Oil (25 replies)
- Excess wear (1 replies)
- 300ex Starting Problems (6 replies)
- trinity racing (2 replies)
- 300EX chain/sproket info/help needed (7 replies)
- 250r clutch (0 replies)
- Installing a drop in cam (10 replies)
- Rings (8 replies)
- Case Saver & 16 tooth Front (0 replies)
- Hrc copy cam (0 replies)
- Best pipe for dunes???? (1 replies)
- 440 (1 replies)
- Anyone With A Highly Modded X Race Engine Read This!!!!! (6 replies)
- Hole in Exhaust (4 replies)
- tc racing (2 replies)
- avatar (8 replies)
- Chain Size?? (1 replies)
- octane booster (8 replies)
- Thanks Leo (8 replies)
- HMF pipe on a 400ex?? (9 replies)
- Lost top end!!Help!!! (20 replies)
- Technical Question??? (3 replies)
- High Compression Piston (2 replies)
- 250R cool head,,,which one??? (17 replies)
- TC Racing Twin Carb 6speed 250X engine (4 replies)
- High Compression Piston (3 replies)
- 416 or 440 kit (5 replies)
- viton valve seals (2 replies)
- does anyone have an hmf muffler for their 400ex??? (8 replies)
- does anyone have an hmf muffler for their 400ex??? (0 replies)
- My 300ex won't run, please help (6 replies)
- Oil Filter? (9 replies)
- ignition cylinder : lost key (2 replies)
- what gaskets for a 416 kit (16 replies)
- Sound Clips of a WB e series pipe on a 400ex? (3 replies)
- TC Racing Pipe (6 replies)
- lost key (15 replies)
- Top end question (8 replies)
- umm HELP 400ex broke.. electrical problems (13 replies)
- Help Fast!!!!! (3 replies)
- valve guides (0 replies)
- do i need to jet yet? (4 replies)
- Oh,geez... (0 replies)
- high comp piston (3 replies)
- Carb (1 replies)
- sup guys just wanted to say hey (4 replies)
- whats the website address for TC Racing ?? (19 replies)
- supertrapp IDS Pipe? (3 replies)
- Jetting and pipe questions!! (5 replies)
- Where To Buy JE Piston? (8 replies)
- dirt bike problems (0 replies)
- Head Pipe, should I get a new one? (66 replies)
- 400ex motor into 300ex chassis? (9 replies)
- 416 or FCR (3 replies)
- Whats the Difference between the WB E-series and WB R4 pipe? (1 replies)
- SPROCKET!!!!!!!!!help (2 replies)
- ATV compression ratios (0 replies)
- What is the best BIKE???? (26 replies)
- 440 hp (14 replies)
- Head Cap Bolt Torque (4 replies)
- Spark pluggin? (5 replies)
- Pilot Jet Located? (2 replies)
- Please Help Me!!! (5 replies)
- Please Help!!!!! (3 replies)
- Silver ones too.... (1 replies)
- Turner fat boy (3 replies)
- How much oil does a stock 400 uselly burn??? (17 replies)
- crf450 project (8 replies)
- Help Please (1 replies)
- Boring Questions!!! (1 replies)
- Rancher 375 (1 replies)
- K&N Filter and rejetting.. (1 replies)
- xr400 head gasket?? (9 replies)
- I got my E-Series back from WB (4 replies)
- My Trailblazer will beat your 400 (4 replies)
- Pro-circuit T-4 or White Bros R4 (10 replies)
- best pipe for 250X (24 replies)
- More Power out of 425 (13 replies)
- 300ex rebuild 2002 (19 replies)
- RaCe GaS???? (3 replies)
- 300ex setup (2 replies)
- Jetting Trouble Continued... (5 replies)
- Where can I get a Chain Guide??? (1 replies)
- Chaparral Pt # (2 replies)
- Driiling holes in airbox (10 replies)
- Forum Question (1 replies)
- Chain Cleaning (11 replies)
- 250ex start in gear? (2 replies)
- whats needed for 440? (0 replies)
- best mod under 20 bucks is there one? (3 replies)
- What to do with ignition? (2 replies)
- Jetting!!! (4 replies)
- Octane? Valve timing? (2 replies)
- Balck box or Rev limiter worth the money for mx racing or not???? (7 replies)
- Project Quad question about motor size? (1 replies)
- Which Is Better A Pipe (20 replies)
- air box lid, need help (1 replies)
- Plinking noise..... (10 replies)
- 12,13,14 tooth sprocket (0 replies)
- Still need carb help... (2 replies)
- so the new bike is broke in... (4 replies)
- 14t front sprocket ? (20 replies)
- Need help with jetting (1 replies)
- Anyone Know The H/p Output For The 450&the New 650 Xr Motor? (15 replies)
- White Brother's R-4 or E-series? (2 replies)
- ct racing (7 replies)
- cutting out? (0 replies)
- 300ex jet an k&n (0 replies)
- How often to you lube your chain? (8 replies)
- chain/swingarm question (1 replies)
- White Bros. air filter?? (3 replies)
- Any pipes that sound like a 2 stoke for a 400ex?? (31 replies)
- big gun exhaust questions (2 replies)
- can u..... (1 replies)
- Gear shift lever switch? (1 replies)
- 14 tooth? (3 replies)
- Bigbore or Port and polish or both!? (2 replies)
- Check Out My AirboX.... (13 replies)
- x ring chain life? (1 replies)
- washing a K&N Airfilter (4 replies)
- carb spring help (4 replies)
- My first problem with my 400EX.... (17 replies)
- Special deal on custom Airbox mod for EXriders.com members L@@K (4 replies)
- Which Chain is the BEST?? (12 replies)
- Chain lube? (11 replies)
- Duncan racing (0 replies)
- 330cc vs 282cc (6 replies)
- Buring Oil (0 replies)
- rev box 4 the 300ex (4 replies)
- Flooding Out!!!! (2 replies)
- 2001 400ex Rear Hub Needed (1 replies)
- led lights (1 replies)
- what is the stock carb? (2 replies)
- cams (11 replies)
- Clutch going out? (17 replies)
- Anyone have a 130 MJ hanging around?? (1 replies)
- dg or stock (6 replies)
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