- ** My 400EX Winter Setup in Canada ** (25 replies)
- Plastics (14 replies)
- Anyone racing XC this season? (2 replies)
- >>Custom Extended Steering Stem<< (33 replies)
- did you ever meet a guy in MD to buy a 400ex (6 replies)
- mod from 400ex plastic to 400ex plastic? (6 replies)
- 400 ex seat (2 replies)
- Jetting questions (0 replies)
- 400ex upgrades?? (5 replies)
- 450r skidplate fit 400ex (1 replies)
- sprockets (12 replies)
- Plastics? (3 replies)
- edelbrock or 450r carb (4 replies)
- Yoshimura REQUEST!! (6 replies)
- clutch? (38 replies)
- 400ex CHINSEY!? (22 replies)
- stage 1 or stage 2 (12 replies)
- steering stabilizer/damper (18 replies)
- Stage 2 cam w/out high-comp piston? (2 replies)
- Wide Band O2 Sensor Install - Almost time to start TUNING!! (56 replies)
- I Need Clutches (4 replies)
- painting a arms (6 replies)
- Some of my latest little "mods" (32 replies)
- 400 not starting (6 replies)
- mixture screw location (2 replies)
- Aftermarket CDI questions (2 replies)
- handlebars?????? (26 replies)
- clutch?? (5 replies)
- Adjusting Toe and Camber (1 replies)
- UniFilter (16 replies)
- yoshimura (2 replies)
- Sparks Timing advance??? (12 replies)
- Smoking? (1 replies)
- new pipe clip (7 replies)
- trx 400ex with 416 kit (14 replies)
- shocks! (13 replies)
- Should i switch to z400 (78 replies)
- pilot jet (7 replies)
- Uni filter oil (2 replies)
- timing chain ''t'' mark??? (3 replies)
- jetting trouble (4 replies)
- AMR coil + AMR rev box?s (14 replies)
- Carberator Problems (2 replies)
- i am making the yfz450 guys mad now (38 replies)
- cam chain timing (3 replies)
- compression question (6 replies)
- Oil (13 replies)
- Does a 450r swingarm fit 400ex? (1 replies)
- AC Flow Exhaust. Good or Bad? (7 replies)
- piston size (2 replies)
- Jetting trouble (5 replies)
- my 400ex is smoking (11 replies)
- HELP! I need to know what the jetting specs are for : (45 replies)
- ------>tear down powder coat<------ (24 replies)
- Starting point for jetting? (3 replies)
- piston size (7 replies)
- 2001 400ex electrcal??? (4 replies)
- MX Build Pics- Metal Tech/ Axis (16 replies)
- MaxPower 440 (0 replies)
- What do you think? (19 replies)
- 400ex rocker arm problems? (1 replies)
- axle nut (11 replies)
- 450r carb help (4 replies)
- 400ex mods.... (32 replies)
- YFZ 450 shock setup (2 replies)
- real truth about axles (12 replies)
- Steering/front end question (5 replies)
- which a arm ishock or houser (8 replies)
- can I use a trx300 tranny in a 400ex? (3 replies)
- Rear brake master cylinder (3 replies)
- 13 tooth front sprocket (2 replies)
- By request: "TOPLESS" 08 400EX (35 replies)
- Slip On's -- E-Series vs. Big Gun (66 replies)
- stock EX doesnt want to idle when cold? (13 replies)
- new lower a arm (6 replies)
- 450r rear. (2 replies)
- stock frame. (6 replies)
- who makes good 440s?? (8 replies)
- Moose Racing DUAL GASSER Thumb & Twist Throttle Combo! (40 replies)
- loose sprocket (7 replies)
- hybrid 450ex or trx450r (3 replies)
- thank you guy and gals (6 replies)
- Bearing carrier sleeve (2 replies)
- Diagnosing Smoking... (3 replies)
- update: documenting my build. NEW PICS (1 replies)
- What should i do next? (14 replies)
- White Brother's E-Series--Loud or Not? (50 replies)
- ???? Exhaust Question ???? (26 replies)
- Floppy rear fenders? (9 replies)
- Jeting a 400ex (1 replies)
- 89mm? (5 replies)
- Clicking noise coming from engine (24 replies)
- 440 ex oil? (2 replies)
- What size? (11 replies)
- 400 ex carb question (2 replies)
- mounting (0 replies)
- bumper question (9 replies)
- My 400ex (23 replies)
- Big Prob!!Gas,Spark,Compression..Wont Start?? (50 replies)
- 426 ping (10 replies)
- someone tell me who the dumb ***** is please (7 replies)
- plugs fouling in cold weather (5 replies)
- How do I tell if my Carrier is bad??????? (10 replies)
- Engine Question. (10 replies)
- HMF Quiet Core??? (10 replies)
- Head Pipe? (7 replies)
- rebuild my 440 (0 replies)
- Can I my idle motor without an oil filter? (3 replies)
- 250r swinger on a 400ex (1 replies)
- 300ex Plastic On 400ex? (7 replies)
- timing chain tightness (1 replies)
- 07 400ex jetting questions (6 replies)
- Magura clutch from 450 to 400 (0 replies)
- Magura clutch from 450 to 400 (2 replies)
- Magura clutch from 450 to 400 (0 replies)
- Magura clutch from 450 to 400 (0 replies)
- Will a 400EX frame fit a 250R frame? (6 replies)
- Trx 400 Vs. Trx300 Reliability (11 replies)
- 440ex (31 replies)
- a (1 replies)
- Whats it worth?? (13 replies)
- few stupid questions (4 replies)
- WHICH 400ex Exhaust is biggest POWER gains (51 replies)
- mods (15 replies)
- octane booster (2 replies)
- ITP GNCC or RAZR2 TIRES (0 replies)
- itp gncc's or hd's (2 replies)
- 400ex snow tracks (12 replies)
- Z400 and 400EX (2 replies)
- fcr owners!!!!!!! (7 replies)
- trx400ex vs kfx400 (7 replies)
- Hardest Mod. yet! (2 replies)
- 450r/400ex parts (5 replies)
- help adjusting shocks (6 replies)
- What is this? TC NATIONAL #924 cam? (0 replies)
- Help on a Piston (7 replies)
- HMF shorty (18 replies)
- unique desert style a-arm's and swingarm (0 replies)
- 400ex Problems, PLEASE HELP!!! (7 replies)
- wiring? no fire...please help (11 replies)
- performance (13 replies)
- reverse lever (2 replies)
- 416 info (5 replies)
- 400ex Starts in any Position (14 replies)
- HMF exhaust (18 replies)
- Do i need a bigger chain 16t 400ex (8 replies)
- somebody help me! (1 replies)
- Any suggestions? (12 replies)
- my 400ex not shifting, why? (5 replies)
- This is what happens when you mag out :S (8 replies)
- Carbon Fiber Warning Label Replacements?? (29 replies)
- Axel (2 replies)
- Pilot Jets (19 replies)
- 04400ex Seat Latch (12 replies)
- Swinger? (3 replies)
- Question on CC's (9 replies)
- removing spark plug out of 400ex (4 replies)
- off sets (1 replies)
- Aftermarket Intake Spacer? (14 replies)
- hipers cf1 or tech 3s (3 replies)
- is 3x6 offset in rear wider or narrower than stock? (6 replies)
- Switching from White Bros. to Hmf. (14 replies)
- 400ex carb diff. (5 replies)
- Synthetic Oil?????? (10 replies)
- is this needed?` (9 replies)
- XR400 head gasket........ (11 replies)
- Pro armor Sport Series nerf bar (33 replies)
- EX to XR Crankshaft/Trans Swap (1 replies)
- Need new rims!! What to get??? (20 replies)
- Just Curious??? (2 replies)
- anyone know?????? (1 replies)
- Bling Star Iron Cross question (4 replies)
- Pics of Hoods (11 replies)
- What do you think the jetting would be with........... (19 replies)
- Clutch Specialists I need your help (26 replies)
- Whats A Bump??? (1 replies)
- axle nut (2 replies)
- Rebuild time (5 replies)
- New Mod - 450R Pro Armor PowerGRIPs on a 400EX with stock Heel Guard (3 replies)
- 480 Big Bore? (13 replies)
- Edelbrock 440ex Carb (5 replies)
- Cams: WB or Hotcam (0 replies)
- What to do? (7 replies)
- compression?????? (1 replies)
- dumb question (5 replies)
- compression??????? (0 replies)
- compression??????? (0 replies)
- compression??????? (0 replies)
- stupid question 400ex (0 replies)
- compression??????? (0 replies)
- compression??????? (0 replies)
- stupid question 400ex (0 replies)
- looking for a hood scoop 400ex (0 replies)
- how much to powder coat a 400ex frame? (2 replies)
- A-Arm Bushings (tried these ?) (4 replies)
- Bought a 400ex (2 replies)
- switching from honda oil to mobile 2 synthetic what do i need to do? (6 replies)
- Almost Complete!! (31 replies)
- Hot Cam or Web Cams (10 replies)
- has anyone completely parted a new 400ex? (4 replies)
- Trail tires (20 replies)
- Oil Filter Cross Reference (7 replies)
- Break in question (10 replies)
- compression? (4 replies)
- Rear Brake Spring Tube or No? (8 replies)
- 450r hood on 400ex (6 replies)
- need some help deciding on colors (33 replies)
- powdercoat q's (3 replies)
- 08400ex (0 replies)
- a common once a year problem (4 replies)
- c.d.i. pro's and con's????????? (18 replies)
- 2000 400 ex new 2 me (7 replies)
- Anyone running the 2" wheel spacers? (23 replies)
- relocate ignition switch (14 replies)
- Front Hubs (6 replies)
- Updated pics (with new shocks) (17 replies)
- 1999 400ex what stage (1 replies)
- GT Thunder rear (14 replies)
- iridium spark plugs (3 replies)
- 416 wont start/stay runnin (8 replies)
- Stock Exhaust Header Mod (Open Up) (41 replies)
- wider front arms (6 replies)
- Snapped off Valve cover bolt (5 replies)
- The goods and bads about the 440 (7 replies)
- my quad.. needs work big time (19 replies)
- KFX450R shocks? (7 replies)
- 11.1:1 comp w stage 1 cam (8 replies)
- What PSI should i be running? (1 replies)
- 400ex 1999 what do i need to do (5 replies)
- any way to check oil pressure? (12 replies)
- moose 200 watt stator (1 replies)
- lowering (4 replies)
- Quad Tech Hoods (9 replies)
- Rear Tire Size (27 replies)
- What are do i need to buy? (5 replies)
- Stock 400ex shocks (6 replies)
- 400 ex or 450r (10 replies)
- It's Alive! (23 replies)
- Rockstar Graphics? (1 replies)
- Some Help Please (1 replies)
- installing a chain (12 replies)
- amsoil (0 replies)
- Amsoil (10 replies)
- rear axle (8 replies)
- New To The 400ex World (16 replies)
- whats better 8" or 9" rear wheel ? (6 replies)
- Lrd Pro 4 Slip On (0 replies)
- Brand new Lonestar Axecalliber Axle!! (6 replies)
- Do 05 and up fenders fit on older 400's? (1 replies)
- Timing Chain Help (4 replies)