- How does my spark plug look? (6 replies)
- Will these work (2 replies)
- hummmm!!!!! (0 replies)
- 11:1 octange needed? (9 replies)
- New 08 400ex...? (35 replies)
- 400ex oil level (7 replies)
- axle lock nut (6 replies)
- Need help !!!!!! (8 replies)
- 99 400 ex carb issues (3 replies)
- blingstar rotor guard? (4 replies)
- 400ex smoking (13 replies)
- Carb trouble (5 replies)
- stock hood (5 replies)
- $100 trip to my local dealer,look. (10 replies)
- Rear plastic (0 replies)
- Clutch Kits? (4 replies)
- Why do so many people own them? (68 replies)
- help on what to do! (14 replies)
- Look what I did! (55 replies)
- 426 11:1 kit (6 replies)
- I've got a couple 400ex questions (5 replies)
- All you hmf guys (7 replies)
- slip on exhaust (few questions) (6 replies)
- lets clear up the flipping linkage myth? (2 replies)
- Fuel question (17 replies)
- Top End Questions (6 replies)
- Need advise please (3 replies)
- Relocating Battery- Pictures (32 replies)
- Can't shift in 5th gear (5 replies)
- 400ex oil location (11 replies)
- Would have made a good vid! (2 replies)
- Rocker arm help on 400ex (7 replies)
- Riding Boots? (21 replies)
- starter wire? (1 replies)
- 2001 Wheel bearing washers (0 replies)
- Tranny clunk when I lock the rear brakes (10 replies)
- CT Racing Exhaust (4 replies)
- Side case heat? (10 replies)
- Hubs (12 replies)
- 400ex graphic template (4 replies)
- hmf bill balance (1 replies)
- Caliper Paint? (1 replies)
- motor help (2 replies)
- Opinions on air filter oil (foam type) (32 replies)
- 400ex oil? (11 replies)
- cool new iso vibe mount (6 replies)
- 400ex idle question,please help!!! (1 replies)
- Breaking in? (11 replies)
- rear fenders (3 replies)
- My honda 400ex rebuild (6 replies)
- checking oil??/ (6 replies)
- 400 EX brake problem (6 replies)
- breakin in during the winter? (2 replies)
- is this good or bad? ebay piston/cam set. (6 replies)
- stage 2 (2 replies)
- Clutch Cable (1 replies)
- 400ex jetting question! (13 replies)
- Ok Christmas thread for the 400 guys? :D (25 replies)
- Used hotcam (8 replies)
- big bore? (21 replies)
- NEW GUY does 400ex Re-build (46 replies)
- Tusk Chub Bars (3 replies)
- Uni Air filter question (11 replies)
- 400ex axle carrier (17 replies)
- 450r shocks (2 replies)
- Help me with my 08 400ex build. PLEASE! (12 replies)
- CDI box question (12 replies)
- new 426 leaking gasket...? (19 replies)
- any one using (10 replies)
- the new guy needs help (14 replies)
- Questions about sparks key. (52 replies)
- oil pump help (2 replies)
- Simple sparks question (26 replies)
- Cylinder/head leaking help!!!! (42 replies)
- GT thunder linkage question (6 replies)
- HMF Shorty done (6 replies)
- My 400ex Build thread (7 replies)
- TCS Rear Shock (0 replies)
- 416 valves (5 replies)
- front brake help???????? (1 replies)
- Nerf bar question (0 replies)
- head gasket question?? (8 replies)
- 450 exhaust on 400ex (9 replies)
- Spring rate? (0 replies)
- Weird idling problem...running out of ideas (7 replies)
- elka on 400ex? (16 replies)
- hotcams (2 replies)
- What 416 kit to get? (9 replies)
- Pink & black build! (50 replies)
- Looking for Graphics (4 replies)
- Need help choosing.... (3 replies)
- 400ex mods (41 replies)
- Aftermarket Tool box? (17 replies)
- front caliper rebuild? (14 replies)
- Will Two Bros M-7 work on 01? (5 replies)
- anyone build their own a arms? (20 replies)
- 400ex mx tires (5 replies)
- 400ex bogs and hesitates to quick rev help (3 replies)
- Before/After (82 replies)
- 450r Carb question???? (2 replies)
- kick start (2 replies)
- Everyone (10 replies)
- 400ex carb help (5 replies)
- One way clutch replacement (9 replies)
- jetting question (2 replies)
- steering stem (1 replies)
- 426ex (3 replies)
- A couple vids from over the summer/fall. (7 replies)
- TC Shorty (2 replies)
- yfz450 fcr carb pics? (6 replies)
- edel 440 carb (0 replies)
- 50" in the front? (14 replies)
- 450r carb running lean...... (10 replies)
- MY OFFICIAL MX 400ex Rebuild Thread!!! (281 replies)
- 450r Shocks Revalve (2 replies)
- skis on my ex (12 replies)
- wifes new 4hundie (9 replies)
- 1999 TRX400EX Starter NO Crank Over (5 replies)
- 400ex seapage (14 replies)
- 01 graphics (7 replies)
- Clueless chick needs advice on shocks (7 replies)
- 250r/450r grabber on 400ex (6 replies)
- Built 400 Partout (0 replies)
- A Arm help please! (5 replies)
- im going to install a warn 1500# winch (6 replies)
- top end rebuild (19 replies)
- wire harness (4 replies)
- Is This a Scam??? (11 replies)
- Fullflight A arms (9 replies)
- 400ex lights (30 replies)
- Championship in a Box ? (6 replies)
- check it out and let us know (0 replies)
- kfx 700 shocks (3 replies)
- interchangeable parts (2 replies)
- Flabby Fenders Fix? (10 replies)
- couple questions (8 replies)
- 03 TRX400 Front Suspension Mods Question??? (22 replies)
- 400ex shorty exhaust (6 replies)
- Need Answers Quick - Buying 400ex tomorrow (11 replies)
- 400ex build (47 replies)
- Rookie Mistake (14 replies)
- shortcut or problem (7 replies)
- Just picked up a 400ex with some problems, need help! (12 replies)
- carb question. (5 replies)
- bumper thoughts (16 replies)
- Rev Limiter? (16 replies)
- I need a front fender! (1 replies)
- Anyone who knows stuff about 450r? (0 replies)
- Ran great, died idleling. (8 replies)
- Anyone looking for a new Ride???? (1 replies)
- Hmf jetting help (52 replies)
- Can I buy just an adjustable Needle (17 replies)
- Where to get seat foam cheap (1 replies)
- WTB: remote rezzie rear shock... (4 replies)
- 450r carb hot start....... (2 replies)
- 400ex transmission gears (12 replies)
- Motoworks exhaust? (7 replies)
- Cam and engine break in on new setup ?????? (5 replies)
- Will the older 99-04 crank cases work with the 05 parts ... (2 replies)
- odd problem, need help (4 replies)
- Yet another tire question (1 replies)
- 400ex ball joints (3 replies)
- Help!! Electrical problems (7 replies)
- Finished my low budget/beater/wifes bike project (5 replies)
- question (2 replies)
- Shock set up questions (8 replies)
- Nothing better then some fall time pics :P (13 replies)
- Is this a good carb from ebay? (13 replies)
- std bore higher compression (13 replies)
- Valves still hitting piston, time for new springs? (11 replies)
- studs? (13 replies)
- Bed liner frame (8 replies)
- Installing New Exhaust Studs... (6 replies)
- Brake line (7 replies)
- 400ex Loweing Kit (0 replies)
- Quick ? about seat (4 replies)
- What do you guys think? (6 replies)
- who has a ? (9 replies)
- flipping the front tires and a extended rear hub? (7 replies)
- Question? (8 replies)
- silly clutch cabel question, how to rout it? (5 replies)
- Need new tires, what to get. (48 replies)
- What graffics you guys think?? AMR (18 replies)
- 400ex tuning?? (3 replies)
- Helmet Recommendations (42 replies)
- Damn 400ex cold hearted somna B%^H (11 replies)
- longest life motor of any atv?? (16 replies)
- Throttle sticking (11 replies)
- Aftermarket Bearing Carrier Help (8 replies)
- 406 10-1 sparks key (2 replies)
- What Should I Do (4 replies)
- Detonation (2 replies)
- quick change clutch cover?????????? (32 replies)
- help 440 gasket questions (3 replies)
- Good front tire setup (13 replies)
- old shock linkage vs. updated linkage. (30 replies)
- 400ex carb issues (4 replies)
- 400ex dies when hot.. suspected electrical problem (7 replies)
- Anyone run Dunlop KT331's? (Fronts Specifically) (1 replies)
- 250r cdi box (10 replies)
- tell me what you thank (13 replies)
- Cam cover and gasket question (4 replies)
- spal fan help please!! (4 replies)
- Axle question (5 replies)
- A-Arms (4 replies)
- Bore question.... (4 replies)
- Shock Covers (5 replies)
- Need all possibilities why gas is in my oil (12 replies)
- nerf bar question (1 replies)
- how to quiet down white bros eseries? (10 replies)
- cheap tires at motosport. (5 replies)
- whats the best flavor of clutch? (20 replies)
- sprocket/gearing help (7 replies)
- 450 shock question (8 replies)
- 450r rear end on 400ex (55 replies)
- lean or what?? (10 replies)
- think i need a clutch?? (7 replies)
- Bedliner Rims (10 replies)
- blowing larg amount of oil out crank case breather of 400EX? (18 replies)
- Axle problems (3 replies)
- bikes got left in the rain (9 replies)
- (pictures)just wanting to thank (steve)and everybody else for the help (2 replies)
- Best Chain (12 replies)
- More power (32 replies)
- snorkle (1 replies)
- Gt thunder MX link (4 replies)
- 426 Jetting (2 replies)
- Xmas (3 replies)
- Stock pipe noise levels (7 replies)
- Jetting for a Slip-on (2 replies)
- Tool box question (2 replies)
- gt thunder stroket motor (0 replies)
- Lets see your MX 400ex?!?!?!? (42 replies)
- How to start a high comp motor???? (15 replies)
- 400ex top end rebuild questions (4 replies)
- quick question (2 replies)
- off topic... spray painting plastic? (12 replies)
- front shocks, what brand? good price? help! (10 replies)
- Chassis Rebuild? (9 replies)
- Pro taper bends? (11 replies)
- billet tie rods... (2 replies)
- 05 450r carb on a 440ex jetting (4 replies)
- 426 Rebuild (24 replies)
- i need help with a miss (6 replies)
- Adjusting thumb throttle (13 replies)
- cold blooded 400ex???? (14 replies)
- Advice needed on building a stroker (8 replies)
- Sidecase Question? (9 replies)
- Whats the best thumb throttle set up? (16 replies)
- another exhaust thread (3 replies)