- Hotcams (8 replies)
- will 450 A-arms fit a 400? (5 replies)
- Drag Racing (28 replies)
- u will alll love me!!! (9 replies)
- Curtis Sparks exhaust (8 replies)
- sprocket help (2 replies)
- big bun got shined up! (9 replies)
- which jets do i need (7 replies)
- clutch cable melting (16 replies)
- fox floats (5 replies)
- cheap platics (0 replies)
- 400ex vs. cr125 (5 replies)
- 400ex swingarm bearing install (1 replies)
- Loudest (22 replies)
- Please Read. (7 replies)
- 400ex jumping time (7 replies)
- 2000 vs 2004 weight difference? (6 replies)
- Is their an '08 400EX or did I miss something? (7 replies)
- transmission help (4 replies)
- Graphics for white plastic???? (10 replies)
- Pilot Jet Question...... (7 replies)
- i got my hotcam 2day (3 replies)
- Honda 450r pipe on 400ex. what do u think? (22 replies)
- 400ex motor in a 350x? (2 replies)
- header (2 replies)
- LOOK WHAT I FOUND ON EBAY.......? (9 replies)
- 400ex grab bar what will fit. (2 replies)
- New 400ex. Need Suggestions. (26 replies)
- 07 450R graphics fit 06 400ex? (4 replies)
- Timing Chain (2 replies)
- breezwood (0 replies)
- New 400ex (Opinions) (19 replies)
- clutch cable (6 replies)
- tires (16 replies)
- exhaust packing (4 replies)
- diagnose this (1 replies)
- help please (12 replies)
- Hoods (7 replies)
- boondockers nitrios (6 replies)
- Helmet thread. Show your stuff. (88 replies)
- stock vs custom (4 replies)
- Polishing Headers (39 replies)
- Hmf (22 replies)
- trimming stock platics (30 replies)
- 450r rear end on a 400ex? (8 replies)
- Nerf Bar Help Choosing... (9 replies)
- pro design pro flow (2 replies)
- Where Can I find it? (12 replies)
- how do you like the 426 kit for the 400ex? (5 replies)
- Dirtbike kill switch (1 replies)
- what kind of front rotors are best? stainless or carbon steel (2 replies)
- 250r grab bar (0 replies)
- A why qustion? (4 replies)
- 400ex shock conversions on a budget (1 replies)
- painting (19 replies)
- how much low end would i gain from dropping one tooth from the front sproket (4 replies)
- slip on jetting (9 replies)
- Jetting and Where are the needles and pilot jets at? (2 replies)
- mx sprocket (4 replies)
- 440 vs. 686 Raptor (5 replies)
- size front sprocket? (6 replies)
- New graphics kit (5 replies)
- i have a question (10 replies)
- rims & tires (3 replies)
- 426 trouble (20 replies)
- anyone heard of a 620 stroker on a 400 ex? (12 replies)
- graphix kit w/cover ? (14 replies)
- need help (37 replies)
- Ac Racing Exhaust and nerfs (14 replies)
- Pattle Tires (2 replies)
- dyno run from my 416 (14 replies)
- who would you let port your motor? (20 replies)
- My a-arms. Why so steep?? (14 replies)
- Will Z400 rims fit a 400ex (3 replies)
- sparks timming key/msdignition? (5 replies)
- parts (3 replies)
- How much and whats involved in replacing grab bar? (19 replies)
- clutch perches (10 replies)
- took out my lights (3 replies)
- what size jets? (1 replies)
- which one itp mudlite sp? or kenda klaw xc? (6 replies)
- Looks like brand new! (13 replies)
- all you cooling, over heating needs --> (63 replies)
- Skid Plate (5 replies)
- transfermation has begun (15 replies)
- AMR stage 2 rev box????? (1 replies)
- Average speed of stock 400ex? (42 replies)
- Better to go fast or slow on a 440ex? (5 replies)
- Length of +3 tierods? (6 replies)
- big gun quiet core? (8 replies)
- rear brake problem (20 replies)
- case saver (1 replies)
- How many would buy this? (22 replies)
- 400ex Help??? (17 replies)
- Hand Guards (13 replies)
- Exhaust (5 replies)
- toyota tundra oil cooler?!? (2 replies)
- tires (2 replies)
- Hmf Engineering (7 replies)
- parts (7 replies)
- will LTR450 shocks fit a 400ex (2 replies)
- need help (2 replies)
- Wheels and tires (3 replies)
- kenda bear claw? (2 replies)
- how to avoid blowin my 440 (11 replies)
- Front Wheel Wobble?? (20 replies)
- cam or revbox (13 replies)
- what to do to keep up with 450's (50 replies)
- sprocket????? (4 replies)
- Replacement Extended A-Arms? (1 replies)
- lost a small screw to the carb! (7 replies)
- Going to tear down in the winter (7 replies)
- has anyone done a 465 strocker?? (0 replies)
- Goin 460!!!! (6 replies)
- Post Pictures of Your Oil Coolers!!! (44 replies)
- Jetting on a now stock 400ex with a HMF SS (3 replies)
- Aftermarket Oil Tank? (4 replies)
- what does an HMF sound like? (23 replies)
- next upgrade???? (4 replies)
- tire size (3 replies)
- setting up 450r shocks on a 400 (9 replies)
- Requesting pictures of a 400ex with white plastics (13 replies)
- Sickkest 440???? (47 replies)
- The EX was running great till the chain took a bite of case. (9 replies)
- 450r rear shock on 400ex (3 replies)
- Engine work (10 replies)
- What was the best mod you did to the 400ex?? (31 replies)
- who has a G force axle? (4 replies)
- jetting for 426 (0 replies)
- time for a rebuild (14 replies)
- 400ex review (5 replies)
- engine dent (13 replies)
- crf450 timing chain swap (2 replies)
- RAD Locknut Help Please! (3 replies)
- 400ex and 450R bumper (1 replies)
- 02 400EX...what should I do to it? (10 replies)
- elka question (8 replies)
- What difference will it make? (12 replies)
- Seized up! (28 replies)
- over heating? (6 replies)
- difference in swingarms (3 replies)
- swingarm help (6 replies)
- Msd Ignition?s (4 replies)
- Same Top Speed (20 replies)
- 07 400ex (6 replies)
- Need Help...... (0 replies)
- heel guards (4 replies)
- 450r dirtbike motor for my ex (9 replies)
- 200psi on compression test (2 replies)
- outerwear air box cover? (11 replies)
- Oil question help.. (3 replies)
- help..whats parts interchange (13 replies)
- taking the head off help (11 replies)
- Suspension? (5 replies)
- How to: Install a rear brake switch for your tail light (13 replies)
- Got my 440ex today!! (19 replies)
- Stalling (16 replies)
- lets see the tow rigs, loaded (18 replies)
- high comp pistons (7 replies)
- whats the best tires for trail riding and climbing hills? (30 replies)
- anyone ever blown..... (1 replies)
- Lets See Them 400exs (32 replies)
- bigest power gain for the 400 (3 replies)
- How to Fix Rear Brake Caliper? (13 replies)
- Maxxis Razr 2 (17 replies)
- Tire Pressure (9 replies)
- Jetting a 450r carb? (2 replies)
- 400ex headlight and hood..... (5 replies)
- jets...help (1 replies)
- hotcam knocking (11 replies)
- those with manuals - HELP! (5 replies)
- 400ex carb (1 replies)
- Will stock 450r a arms work on a 400ex (3 replies)
- looking for YZ 426,450, CONVERSION KIT (4 replies)
- How can I get my motor clean? (13 replies)
- show your 440ex or mx ready 400ex! (31 replies)
- header wrap? (12 replies)
- what are the power gains? (16 replies)
- Perman-Cool ATV Oil Coolers? (21 replies)
- elka suspension question? (1 replies)
- Octane? (5 replies)
- will a 300ex bumper fit on my 400ex? (7 replies)
- clutch cabe on header (1 replies)
- Cam chain removel/install (19 replies)
- does it matter what type of hubs i get? (4 replies)
- 440ex Question (11 replies)
- neutral (3 replies)
- the sand (9 replies)
- needle jet (4 replies)
- 2004 400ex rear brakes (34 replies)
- Oil Filter leak (10 replies)
- new and old 400ex (1 replies)
- how do i get my front hubs off?? (9 replies)
- what is advantages and dis advantages of snorkel? (7 replies)
- still need some 400 ex jetting advice. (7 replies)
- Rev Box (22 replies)
- 07 400ex (6 replies)
- 416ex (15 replies)
- Website address for HMF? (4 replies)
- surging 416 (4 replies)
- whats the length os stock steering stem on 400ex? (0 replies)
- Stock sprocket hub on a durablue +2+4 axle? (3 replies)
- a-arm bushings (4 replies)
- 04 400ex what to look for before buying (9 replies)
- 400ex people (11 replies)
- coupon code for rocky mountain. (4 replies)
- Buying new quad (25 replies)
- relocating ignition,neutral and reverse light (2 replies)
- oil for the 400ex (34 replies)
- Front wheel shudder ??? (9 replies)
- Sparks Problem (6 replies)
- Whats she worth? (3 replies)
- lost key (7 replies)
- plug wire (0 replies)
- big bore kit, im confused? (7 replies)
- In the market (7 replies)
- 400ex Brakes (3 replies)
- Our 400's (12 replies)
- My 400 took a dive help!! (6 replies)
- Thinking about getting a 450R (6 replies)
- High Comp Pistons (7 replies)
- help, oil in airfilter box. stumped??? (11 replies)
- backfire on decel (7 replies)
- another noob (7 replies)
- Graphics Kit (1 replies)
- new tail/brake light w/ pictures! (35 replies)
- new graphics... (2 replies)
- jetting questions (3 replies)
- 400ex Wiring Help (0 replies)
- got the 400 back together. (6 replies)
- Rear Bearing Carrier? (11 replies)
- Spark plug pics after jetting (14 replies)
- cutting out after jumping (2 replies)
- 426ex or 440 ex? (7 replies)
- recommendations on next upgrade (5 replies)
- tell me what you think (12 replies)
- new airbox ? (2 replies)
- brake switch conv. bolt on. (6 replies)
- do i need to jet again after putting full exhaust system when i had slip on? (2 replies)
- wont start (0 replies)
- what do you think? (0 replies)
- Need Help (5 replies)
- shock bushings??? (0 replies)
- more elka (9 replies)
- Spark plug change :( ICK! (18 replies)
- Ignition System Help!! (2 replies)
- Help! (2 replies)
- master break cylinder! (5 replies)
- Fox Float shocks (3 replies)
- is the 01 and 05 model seats the same? (1 replies)