- Late Winter Rebuild (28 replies)
- Break in period??? (21 replies)
- New toy have started shopping today (19 replies)
- anyone into 3 wheelers? (31 replies)
- help me (4 replies)
- will they fit? (2 replies)
- Bigger Gas Tank for Cross Counrty Racing?? (3 replies)
- skid plate (1 replies)
- Melted snow pants onto exhaust >.> (17 replies)
- Looking for a bent +2 steering stem........ (0 replies)
- 2005 400ex rejuvenation.. Sat for a long time.. (13 replies)
- Vortex Programmable Ignition (0 replies)
- Going from a450R to a 400EX (1 replies)
- WTB: 400ex swingarm (0 replies)
- Need help getting another filter (12 replies)
- Something Broke! Springs got into everything until the Crank Bit one! Help! (4 replies)
- Serious Turbo Question..... (21 replies)
- 400EX No Power (2 replies)
- +2 +1 a arm question (9 replies)
- My 400ex project :D (5 replies)
- Sombody tell me the best place to get wheels and tires (5 replies)
- My 400 EX before and after (12 replies)
- no idle without the choke (3 replies)
- another 400ex rebuild thread (33 replies)
- rich jetting ever since rebuild (3 replies)
- Jetting question (2 replies)
- Ricochet Armor (0 replies)
- who will buy my sprocket guards? (5 replies)
- stock 400ex putting on a hmf slip on and what should i jet it (1 replies)
- Help me find this exhaust :( (1 replies)
- Radar Runs (4 replies)
- 400 ex wiring (1 replies)
- Goggles (1 replies)
- What's Your Jetting? (49 replies)
- procircuit or full muzzy? (3 replies)
- Just Picked up a 400ex yesterday and have some questions (18 replies)
- corrosion cleaner (3 replies)
- xc set up? (17 replies)
- fresh pics of rims and new fronts (1 replies)
- Ace“s swing arm (7 replies)
- prowedge tires (1 replies)
- carburetor lines (2 replies)
- ATV Studded (22 replies)
- Lexx slip on and jetting question (4 replies)
- Aluminum cleaner? (1 replies)
- New Tires (2 replies)
- what should i do next? (4 replies)
- Looking for rebuild advice... (0 replies)
- Photoshop please!! (18 replies)
- Rebuild?? (4 replies)
- Need some help with jetting (2 replies)
- Anyone ever re-thread the rocker caps ? (7 replies)
- Picked Up A 450r Carb (20 replies)
- Posting Pic's??? Need help... (2 replies)
- What do you think of my sprocket guard? (9 replies)
- Tradin the 400ex... (3 replies)
- pilot screw (2 replies)
- Full Exhaust vs Slipon (9 replies)
- might trade ??? (17 replies)
- Just finished a quick flip. (11 replies)
- gtt head studs (11 replies)
- need help decided ASAP (24 replies)
- Mini Nitrous kit? Anyone use it??? (5 replies)
- Suggestions for upgrades plz (17 replies)
- What Rear Tires??? (5 replies)
- Just got parts!! Finally... (1 replies)
- Does Anyone Have A 400ex Swingarm Bolt??? (11 replies)
- 400ex problems after rebuild. Advise please (1 replies)
- gearing (9 replies)
- sand tires vs. dirt tires in glamis? (1 replies)
- which timing chain? (9 replies)
- top end gasket set? (2 replies)
- quad rebuild before and after (9 replies)
- First 400ex rebuild!!! (35 replies)
- Heat cuased by PCing head? (7 replies)
- maxxis 4 snow tires (1 replies)
- starting in gear (2 replies)
- lightend flywheel (8 replies)
- 99 EX colors (4 replies)
- what's the best 400ex hotcam name brands? (3 replies)
- Dragging front brakes (4 replies)
- 450r plastic on a 2000 400ex (0 replies)
- 400ex stage 1 hot cam (0 replies)
- who makes long travel arms (13 replies)
- hrc cam (7 replies)
- Oil Question (6 replies)
- Any 1 know about sprocket ratios? (6 replies)
- Cleaning Air Box and Components (7 replies)
- oil level check (3 replies)
- Should I stroke it? (8 replies)
- 400ex cam (5 replies)
- Really that cold blooded? (27 replies)
- old advertisement (0 replies)
- Removing intake tube from air box (2 replies)
- Why does mine take so long to start? (3 replies)
- smokeing? (10 replies)
- Edelbrock Qwik Silver Gas Overflowing (6 replies)
- ball joint replacements (5 replies)
- Tell me..your ideal big torque bulletproof build...not on a budget (10 replies)
- How to install a pro armor kill switch (1 replies)
- 400ex (34 replies)
- powder coat (3 replies)
- 07 400ex changing cam (5 replies)
- Im Getting A 400ex Next Monday!! (12 replies)
- 450r Rear Shock- questions (4 replies)
- 250R Swinger vs. 400EX Swinger vs. 450R swinger (4 replies)
- jetting (1 replies)
- pistons (9 replies)
- Any tips for xc/woods/hairscramble riding? (34 replies)
- 400ex exhaust (12 replies)
- Easier Thumb Throttle? (35 replies)
- new started button question (7 replies)
- wont start untill warm (2 replies)
- NEED Top End Cylinder (0 replies)
- Made new mounts for my kfx shocks (12 replies)
- rejet? (0 replies)
- Michigan rider needs help with 400ex and Lexx exhaust! (6 replies)
- how do i adjust the shocks? (1 replies)
- Rims? (6 replies)
- Backfiring through the carb after rebuild (16 replies)
- rear shock (1 replies)
- new pics of the hundy (36 replies)
- prm rear grab bar (3 replies)
- Carb Hose Clamp (1 replies)
- high compression piston will i overheat? (15 replies)
- timing off??? (1 replies)
- 400ex build for the GF (36 replies)
- seat covers (4 replies)
- 450r sound from a 400ex?? (5 replies)
- New shocks! (13 replies)
- need help on 400ex mods (2 replies)
- Makeover/Semi-Rebuild (11 replies)
- looking for cold air intake 400ex? (7 replies)
- Need clutch help ASAP!! ANy interchange?? (0 replies)
- grooved radials? (4 replies)
- 416 or 426 sleeve? (10 replies)
- Krylon Plastic Paint Impressions (0 replies)
- keeps fouling plugs (8 replies)
- How to make 07 EX better trail racer than Z400 (2 replies)
- what 460 stroker kit is everyone using (9 replies)
- Plastics Like new again!! (3 replies)
- 450r carb on 416 (56 replies)
- shocks (0 replies)
- shocks (3 replies)
- Air Filter (7 replies)
- why does my 400 stall when i let off throttle? (22 replies)
- Anyone know of a place that tunes carbs in chicagoland area (0 replies)
- Answer to jetting ??? (1 replies)
- WTB Yellow Stock front fenders for 01' (2 replies)
- 04 Honda 400ex Blows Fuses (4 replies)
- What it is ? (8 replies)
- Cheap Sand Tires New (2 replies)
- rejetting hep (5 replies)
- dial-a-jet (2 replies)
- should i trade my 2004 400ex for a 2002 DS650 (6 replies)
- no 5th gear!!? (1 replies)
- Attention Indiana Riders!!!!!!!! (0 replies)
- Timing chain and Cam question (2 replies)
- sparks +6 timeing key (5 replies)
- Need a picture of brake light switch (10 replies)
- Sparks X-6 installed! OMG! (26 replies)
- Yoshimura RS-3 Comp Series System (4 replies)
- where my oil going????!!!!!!???? (12 replies)
- Oil for stock clutch (6 replies)
- 400ex (0 replies)
- 400ex Steering stabilizer FS (0 replies)
- 400 Ex Starter Solenoid (2 replies)
- home port job (17 replies)
- 400ex slipon (1 replies)
- Post Pics Of Your 400 With Race Numbers (0 replies)
- So....... (24 replies)
- what frame will work? (8 replies)
- Post Pics Of Your 400 With Race Numbers (3 replies)
- Checking Interest... (0 replies)
- 4ooex dual round headlight output (12 replies)
- Eliminate Cam decompressor (17 replies)
- How to plug hot start on 450r carb? (31 replies)
- pipe question (10 replies)
- 400ex bogging a lil (7 replies)
- 440 kit qestions (11 replies)
- fcr spring mod ? (4 replies)
- Welding advice for steering stem. (21 replies)
- Brake Pads? what happen? (13 replies)
- fourstroketech oil cooler (1 replies)
- shocks (7 replies)
- quick question (5 replies)
- wont start with the starter but fine pushing it (13 replies)
- wtb some 400ex parts (4 replies)
- 400ex mods (8 replies)
- Oil pressure gauge Idea (11 replies)
- A little something for the Loud Pipe crowd. How the rest of us see you. This is funny (10 replies)
- PAMX Quad racing (0 replies)
- need info (0 replies)
- Need help wiring headlights (6 replies)
- to all you michigan riders (7 replies)
- Quick Question About Air Scoops (12 replies)
- custom low compression piston (12 replies)
- Need quick/easy help please! (0 replies)
- Question about skid and bumper combo. (2 replies)
- shift fork question??? (2 replies)
- 440 Build, would like suggestions on vavles, carb, etc (27 replies)
- how much is a port and polish job (16 replies)
- Hardstart poor idle (72 replies)
- tail light confusion (9 replies)
- Twist Grip Throttle (3 replies)
- 450r Plastic To A 400ex??? (5 replies)
- swing arm help (2 replies)
- MY 05 450r carb install on 01 400ex (19 replies)
- 400EX Dyno results for 17 different exhaust systems looks ugly! (13 replies)
- cheap 400ex (4 replies)
- Better late than never (8 replies)
- 400ex rev box help (2 replies)
- Am I too big for a 400ex (16 replies)
- 3 Elka's (7 replies)
- g force and arms (5 replies)
- 450 carb on 440BB (1 replies)
- Hella spark plug problem (2 replies)
- Grab Bar (6 replies)
- 2000 400ex rebuild (15 replies)
- cam question (1 replies)
- Where to buy cheap tires (2 replies)
- what a-arms to buy? and new pics of revalved shocks (10 replies)
- Duro Tires? (26 replies)
- Upgrade The EX Above You (20 replies)
- Rate The EX Above You (128 replies)
- No start after rebuild (6 replies)
- r.i.p to a rider and good friend (6 replies)
- found out why my 400ex runs bad (18 replies)
- hoods?????? (0 replies)
- aftermarket radiator.. (3 replies)
- 450r hubs on a 400? (1 replies)
- Does it matter? (1 replies)
- photoshop (10 replies)
- Shocks Shocks Shocks (11 replies)
- what should i do for my rear shock? (18 replies)
- Cylinder question (3 replies)
- Check This Out (0 replies)
- A-Arm Bushings (5 replies)
- how do you break the bead on your tires? (17 replies)
- What year yfz air shrouds fit a 400? (6 replies)
- Painted My Wheels Black (Lots of Pictures) (33 replies)
- Can't get front hubs off (24 replies)
- how to remove the bolt in the middle of ur front sprocket? (3 replies)
- Wheels (0 replies)
- head and exhaust temp (0 replies)
- 400ex gearing (11 replies)
- Tie rods & steering stem (2 replies)
- Hillclimbing (71 replies)
- what is the best carb? (4 replies)
- What psi do you run on your razr maxxis tires? (13 replies)