- jetting sugestions please? on the differant 400exes (6 replies)
- 400ex frame guards (9 replies)
- For those with grab bars: Grab Bar Saver (0 replies)
- Orange tms Gel battery on ebay?? (6 replies)
- Saturday Night's Drag Results With Videos/Slips (37 replies)
- Loud top end tick (12 replies)
- GT Thunder Poly Skid (10 replies)
- Tires (3 replies)
- not my 400 (18 replies)
- 416 kit stage 2 hotcams?? (32 replies)
- Need help with my 416 dying (1 replies)
- where to ask 250ex questions? (3 replies)
- xc setup? (6 replies)
- New thread of my build (39 replies)
- 400ex race graphics (21 replies)
- Cylinder scoring (4 replies)
- Need help... Steering is loose (24 replies)
- +2 arms and shock revalving question (2 replies)
- PEP to Fox (12 replies)
- Gbc x rex tire size q? (9 replies)
- how to change shifter seal? (3 replies)
- How A 400ex Should Look (11 replies)
- breaking in the motor (9 replies)
- 99 Fourtrax OEM Seat? (17 replies)
- 450r works shocks on a 400ex? (6 replies)
- 450r carb after rolling over (2 replies)
- What Jet Should I Run??? (5 replies)
- Maybe a stupid question... but..... (suspension) (5 replies)
- 450r pro pegs on 400ex (0 replies)
- Trx450r (4 replies)
- Any guesses what broke my piston? (27 replies)
- its back!!! (3 replies)
- Yuasa YT12A-BS vs Shorai (6 replies)
- Paint (3 replies)
- 08 TRX 400 front shock noise (6 replies)
- valve question (9 replies)
- aftermarket fan (6 replies)
- 2003 400ex making weird noise please help (6 replies)
- my 400ex drag bike (29 replies)
- lightened flywheel (1 replies)
- Oil filter cover bolt stripped (9 replies)
- hot rods stroker crank or regular? (5 replies)
- Quick q (2 replies)
- 416 rebuild giving me more problems. w/ video (9 replies)
- 400ex year hood (8 replies)
- 400EX Cylinder Head Identification (1 replies)
- Valve cover bolts... (13 replies)
- Brake Lever Question (5 replies)
- got some parts ordered but (29 replies)
- off set wheels? (4 replies)
- GTT XC/MX Link (19 replies)
- Exhaust (9 replies)
- squeaking noise from front end (22 replies)
- couple more questions spark plug. (5 replies)
- hare scramble taylorville il (6 replies)
- 450r carb help (6 replies)
- Anyone flattrackin' in Wisconsin? (8 replies)
- Homemade lowering kit (21 replies)
- stock bore size? (5 replies)
- 05 450R carb w /VRpilot adaptor, airbox and intake boot! For sale!! (0 replies)
- Some Drag Racing Videos/Pictures (6 replies)
- Too much red? (25 replies)
- can a built 400ex really have a chance against 450's mx racing? (5 replies)
- Tires not seating properly (26 replies)
- CJM, Dxcody, guys with 450 shocks on 400's...i Have a ?? (73 replies)
- power bomb header question? (3 replies)
- Piston Ring Question (12 replies)
- Am I Running Too Rich? (10 replies)
- crf 450 timing chain ? 400ex (5 replies)
- need help (4 replies)
- what are good mx tires for a 400ex? (3 replies)
- will 450r a arms fit a 400ex? (2 replies)
- 440 or 426? (15 replies)
- i need 400ex extended a arms and/or nice shocks (5 replies)
- 400ex mx build (7 replies)
- looking for an fmf power bomb for sale for my 400ex? (0 replies)
- Fresh top end!! (0 replies)
- 400ex clutch pin lifter (2 replies)
- Crf, yzf hybrid ? (4 replies)
- Used cam questions (0 replies)
- strange problem (3 replies)
- 400ex Hotcam question? (11 replies)
- odd plastic (30 replies)
- 05 450r carb on 400ex jetting problem (4 replies)
- 400ex drag times (8 replies)
- Needing a Carburetor Throttle Slide (4 replies)
- 400ex 440 stroker (19 replies)
- 400ex plastics question (2 replies)
- Cosmetic question! (14 replies)
- 400's with 450 shocks - pic please (19 replies)
- 400EX misses at top end. PLEASE HELP.. (6 replies)
- '03 400ex Running horrible after rebuild (9 replies)
- Gasket question. (4 replies)
- tires (8 replies)
- 2006 twist kit (11 replies)
- Having clutch issues (6 replies)
- My 400ex Wont Start, Help Would Be Awesome. (19 replies)
- Help! Fmf exhaust rattle! (2 replies)
- Rebuild!!!!! (4 replies)
- Help Choosing Powdercoating/Paint Color For My 400ex (1 replies)
- My 01 440ex with new hood installed (8 replies)
- Piston Identification (2 replies)
- 01 honda 400ex... whats wrong? (4 replies)
- seat ? (7 replies)
- What am i doing wrong with throttle cable? (5 replies)
- GT Thunder rear link ? (14 replies)
- Possible trade I'm looking at (need advice) (23 replies)
- Interesting jetting problem (9 replies)
- 400ex oil tank repair HELP (14 replies)
- Choke/enrichment valve on 450r carb (2 replies)
- Alright guys, what's wrong here? (16 replies)
- Magnetic oil drain plug (3 replies)
- want to run 22s all they way around (23 replies)
- what to use for jets on a 05 450 carb for a 400ex (6 replies)
- 400ex stock a-arms, tierods and shocks trade for long travel shocks (9 replies)
- ex (2 replies)
- Got Some 4 Snows And Pro Wedge IIs And Need Help Deciding Which Ones To Run! (16 replies)
- 440 ex Bigbore Kit and Hotcam stage2 (21 replies)
- should have taken a picture (12 replies)
- starting question (1 replies)
- largest piston in 400ex without resleeving (12 replies)
- 03 400ex sputters (7 replies)
- Wiring for dummies (4 replies)
- 400ex Carb Question (6 replies)
- Rear suspension problem (25 replies)
- I'm screwed. (35 replies)
- Cotter pins...good idea (19 replies)
- Need help (4 replies)
- 400ex front end messed up (14 replies)
- Axle bearing help (43 replies)
- Another 04/05 450r carb ? (9 replies)
- 400ex and 400x frames (3 replies)
- stock 400ex needle vs stock 450 whats the difference (1 replies)
- oil splattering on right front fender!! (5 replies)
- 450 hot start (4 replies)
- Bar bend and brake lever pull (13 replies)
- New rebuild runaway issue (16 replies)
- aftermarket light switch (0 replies)
- lug nuts (1 replies)
- Starter clutch (2 replies)
- 400ex problem, could use some help (5 replies)
- I should've listened........ but (29 replies)
- Two questions (12 replies)
- oil (5 replies)
- FS 450R rear brake set up (1 replies)
- 400ex not running right? (7 replies)
- Cam chain (9 replies)
- A few pics I snapped (11 replies)
- JEtting help (8 replies)
- crankswork +4 crank on a 440 (0 replies)
- xc/mx aarms (2 replies)
- Clutch help (4 replies)
- do they make a hump seat for the 400? (9 replies)
- Looking 4 Best Way To Increase Accel (14 replies)
- Need Help. '04 EX Won't Run Right. (7 replies)
- valves (2 replies)
- Best Dirt Drag Tire Setup For Hard Packed Dirt? (20 replies)
- Axle bearing cross reference..Aftermarket (3 replies)
- jetting (3 replies)
- K&N Velocity intake question (1 replies)
- Clutch issues (2 replies)
- innerchanging a arms (1 replies)
- oil cooler fan combo (16 replies)
- irazr rear tires? (4 replies)
- oil leak (6 replies)
- Starter button (5 replies)
- Jet question (24 replies)
- Motor help (10 replies)
- Teather kill switch (2 replies)
- 400ex Stock Exhaust Question (4 replies)
- ??for people with a 450r carb on EX (4 replies)
- Caliper\Piston Q (7 replies)
- 440ex jetting help (13 replies)
- Will Banshee Rims Mount To 400exs? (6 replies)
- coughing on cold start up (2 replies)
- Small bore stroker (28 replies)
- possible jetting problem? (1 replies)
- starting woes (9 replies)
- Oil leak! (6 replies)
- sell or keep on all the way (21 replies)
- checking oil (11 replies)
- where to find laker plastic (3 replies)
- 04/05 450 carb on a 400ex (41 replies)
- speed calculator (2 replies)
- Clutch Kit (7 replies)
- I need! (0 replies)
- Smoke ): (11 replies)
- My official build thread! (51 replies)
- 400 ignition switch ?? (6 replies)
- 2003 400ex Neutral Switch snapped off in case (3 replies)
- 05 Plastic with 06 450R Headlight (2 replies)
- Just trimmed my plastic! (2 replies)
- 400ex throttle (4 replies)
- 05-07 custom headlight (8 replies)
- jetting help are <dj kits junk> (7 replies)
- Where To Buy Maxxis 4 Snows? (21 replies)
- check it out (3 replies)
- Clunk in the front end (11 replies)
- Project Slow Going (8 replies)
- Cylinder (0 replies)
- Strange compression issue and piston size Q (31 replies)
- Clutch (2 replies)
- Weekend Atv Adventures (11 replies)
- stock 400ex or built z400 (24 replies)
- Then and Now (11 replies)
- xr400 headhasket on a 400ex and heavy duty head studs (2 replies)
- anyone ever used a hygear dual rate rear spring kit? (9 replies)
- Whats leaking? (12 replies)
- 450 arms (4 replies)
- build my motor (35 replies)
- what carb do i need for a 400ex (2 replies)
- i may have a problem (2 replies)
- Got my 400ex back (0 replies)
- 08 top end (8 replies)
- should i trade my 450r carb for a curtis sparks fcr (14 replies)
- Honda 400ex Clutch not disengaging? Help! (58 replies)
- 450r shocks on 400 (31 replies)
- Magnum cams? (4 replies)
- Starting issue start not working? (6 replies)
- shocks on the way (1 replies)
- Needed info on buying / installing FCR carb on my 400ex (7 replies)
- 400ex cam bolts (9 replies)
- thinking rebuild this winter. (46 replies)
- Whats all needed for 450r carb (34 replies)
- My 440ex leaks oil BAD PLEASE HELP WHAT CAUSES IT (8 replies)
- fmf power bomb (3 replies)
- post mx 400 pics!!! (33 replies)
- What to buy next? (39 replies)
- 400 EX Shifting (9 replies)
- Ballance radials. (4 replies)
- help with GTthunder head studs (14 replies)
- idle problem (15 replies)
- Headlight trouble (15 replies)
- What Else Should I Do To My 400? (4 replies)
- Header Installation Question? (10 replies)
- quick jetting question (6 replies)
- Velocity Intake System? (8 replies)
- 400ex transmission problems (9 replies)
- Switchfly throttles (11 replies)
- difference from a 13 to a 14 tooth sprocket (8 replies)
- "spring and plunger" in cylinder head (6 replies)
- Ring gap too much? (3 replies)
- Show your XC/Trail 400ex (32 replies)
- Cylinder Head Cover (4 replies)
- houser a-arm ball joints (3 replies)
- stutter stutter stutter (8 replies)
- trx400ex pdf (3 replies)
- 400ex wont start after rebuild...troubleshooting! HELP! (3 replies)
- HMF Slip on & FMF Powerbomb header tuning (1 replies)
- trx 400ex help (13 replies)