- new clutch (10 replies)
- Banshee ? (4 replies)
- What next on 300 (8 replies)
- Good utility quad (18 replies)
- Help: Cant Get Axle Locknut Off (7 replies)
- what cam to run with stroker? (18 replies)
- what is the stock bore of 400? (2 replies)
- big gun exhaust on 300 (2 replies)
- Electric shifter not working (2 replies)
- what is 2005400 ex worth (1 replies)
- Need more help on a part that broke (7 replies)
- Yeah 2nd post on BMC AIR FILTER (4 replies)
- different brand header ? (15 replies)
- what jet do i need with a whitebros pipe? (1 replies)
- K&N graph proves dirt sucker (28 replies)
- 03 griz, rear wheel not driving, please help (4 replies)
- crf450 hybrid questions (2 replies)
- Need some ideas for my 300 engine! (7 replies)
- Need faster motor! (4 replies)
- cdi? (0 replies)
- swing arm (6 replies)
- Anybody ever heard of a Scorpian exhaust? (2 replies)
- Just Got 400EX Out of Storage Won't Stay Running (3 replies)
- New Timing chain (2 replies)
- plz help fast (13 replies)
- Magnum camshafts (7 replies)
- axle for 400ex (1 replies)
- Normaly open of Closed (8 replies)
- I need helf from anyone with a HMF (full system) for a 400ex (9 replies)
- 3rd gear boggin (3 replies)
- race gas or not? (3 replies)
- xr600 motor in quad (1 replies)
- what do you think (17 replies)
- help with dirtbike (1 replies)
- Need Help ASAP- (8 replies)
- Wire Harness Problems (1 replies)
- 39mm FCR Carb (8 replies)
- anybody!!!!!!!!! (4 replies)
- 440 11:1 compression? (5 replies)
- adjusting timing (5 replies)
- no aifilter lid? Is it okay? (7 replies)
- 400ex timing probem!!!!! (5 replies)
- Atv won't start (9 replies)
- 250x jetting...HELP! (2 replies)
- Race Gas (3 replies)
- 400EX dies out when WFO (14 replies)
- wow (5 replies)
- Cleaning Carb (7 replies)
- Help Me Please! (12 replies)
- 250ex revin out (20 replies)
- --Quick Easy Question-- (1 replies)
- Cam question (8 replies)
- 400ex G Force Axle? (17 replies)
- Can I remove this without damage? (17 replies)
- air box lid (1 replies)
- axle reinstall (2 replies)
- esr 350 (1 replies)
- oil cover bolt on 400ex (5 replies)
- best carb for a 300ex (12 replies)
- how do you measure main jet????? (2 replies)
- repacking mufflers (2 replies)
- Mojave problems (7 replies)
- FMF Megamax II (30 replies)
- Best Cylinder Head and Piston (5 replies)
- Where did my oil go??? (7 replies)
- Metal Shavings (9 replies)
- Swingarm question?? (3 replies)
- 400ex Jetting? (4 replies)
- 400ex Jetting with aluminum airbox (3 replies)
- new spark arrestor (8 replies)
- Oils (15 replies)
- boggin (1 replies)
- DB level (5 replies)
- cheapest (3 replies)
- bigger piston (17 replies)
- speed??? (31 replies)
- stuck castle nut help (6 replies)
- Air Scoops (8 replies)
- fcr breaking up (12 replies)
- gas? (28 replies)
- 110 octane (17 replies)
- Carb Question-Just finished rebuild (4 replies)
- Too Rich ?? (8 replies)
- Yamaha Raptor 350 chain too tight! (2 replies)
- Another jetting question (7 replies)
- 300 ex axle (hub) nut (0 replies)
- 300ex axle ? (2 replies)
- Gasket sealer? (9 replies)
- How Many HP's? (17 replies)
- jetting? (11 replies)
- 300ex problems (15 replies)
- Just got a white Bros pipe..NEED HELP (24 replies)
- Cleaning (4 replies)
- 400ex cam, 440 kit (7 replies)
- Race Gas-Information (1 replies)
- 400ex with HMF is dieing under load. (HELP FAST) (21 replies)
- I need help (1 replies)
- 300EX start button wiring (2 replies)
- 300ex (1 replies)
- Would it make that much of a difference?? (5 replies)
- A few things that I NEED to know before tomorrow! (CARB QUESTIONS) (2 replies)
- V-force (0 replies)
- valves (2 replies)
- hot cam or web cam (17 replies)
- Head gasket leaking need help! Also XR or EX gasket?? (8 replies)
- Gas and oil (1 replies)
- Dies if I take the choke off (15 replies)
- 2002 300EX How Much HP? (5 replies)
- How is your carbon fiber exhuast holding up???? (6 replies)
- Bmc Air Filter? (9 replies)
- Manual shift of Rancher ES? (4 replies)
- My Pro Circuit silencer? (4 replies)
- air filter (14 replies)
- axle carrier? (1 replies)
- Need some more throttle (9 replies)
- XR400 and 400ex- same clutch? (5 replies)
- Help Twin airfilter (5 replies)
- 416? (6 replies)
- Jetting 440ex (7 replies)
- hotcam (1 replies)
- stage 1 to a stage 2 hotcam (17 replies)
- axle bearings (2 replies)
- do you have to??? (14 replies)
- Top end noise (6 replies)
- Ignition Switch (6 replies)
- Hot Rods for a LT250R (1 replies)
- Jetting Symptom? (5 replies)
- Yoshimura Exhaust Pipe (18 replies)
- lt80 wont move (2 replies)
- Rate The Axles (25 replies)
- Do I need to rebuild carb or just clean it (8 replies)
- Hone Cylinder (17 replies)
- CR85 jetting (1 replies)
- Honda 300ex chain? (6 replies)
- YFZ 450 header glowing (4 replies)
- Ah... crap. (22 replies)
- Which Exhast should i get (12 replies)
- Oil Change Time? (5 replies)
- Cool heads (16 replies)
- Made my own airbox eliminator for my 300 (13 replies)
- 400ex blowing black smoke (23 replies)
- Pro-X piston kit? (2 replies)
- header pipe changed color after first ride. (4 replies)
- jet kit? (6 replies)
- cooler (14 replies)
- 400ex sputtering (4 replies)
- do these coolers help? (5 replies)
- ticking... (10 replies)
- i need some help... (3 replies)
- 330 Sleeve And Case Question (on 300ex) (3 replies)
- Quiet pipe? (18 replies)
- Rev Box (2 replies)
- pred vs 450r (6 replies)
- 300ex wont start (9 replies)
- Best exhaust for 450R? (3 replies)
- LT250R Problem (11 replies)
- Problems (5 replies)
- Break In? (14 replies)
- under $150 (6 replies)
- Clicking Noise (0 replies)
- Quick question............... (4 replies)
- 300ex crankcase vent line (3 replies)
- 450r carb on 400ex? (7 replies)
- 400 EX Clutch Q's (2 replies)
- Airbox Snorkel (12 replies)
- Main Jet?...Pilot Jet? (5 replies)
- HMF over E-series (12 replies)
- 02 300 ex timing procedures (1 replies)
- in stock filter (10 replies)
- jetting altitude??and which stage?? (3 replies)
- ESeries slipon (17 replies)
- Boyesen Accelerator Pump Cover (3 replies)
- Do u take it off? (9 replies)
- What is the easiest... (7 replies)
- JETS for 2 mods (3 replies)
- I cant make my mind up. (18 replies)
- sprockets (2 replies)
- How good? (3 replies)
- What else?? (2 replies)
- jets?? (12 replies)
- hardend rockers? (9 replies)
- air pressure (6 replies)
- Review of e-series slip on for EX 400 (5 replies)
- Cam Tensioner (4 replies)
- grease (3 replies)
- grease for K&N (3 replies)
- K&N power (3 replies)
- how often (5 replies)
- Talon Sprockets (0 replies)
- 300 ex throwing chain (4 replies)
- help (11 replies)
- carb ???? (1 replies)
- air box lid (3 replies)
- K&n (7 replies)
- Bottom End Rebuild (19 replies)
- N Motion (6 replies)
- Which pipe? (3 replies)
- grab bar?? (2 replies)
- sputtering after 1/4 throttle (8 replies)
- heavy duty studs? (0 replies)
- 250x timing (1 replies)
- Jetting (15 replies)
- Anyone have the adjustable timing sprocket for the 400ex? (5 replies)
- Do I need any special tools to rejet me 400ex carb? (3 replies)
- Chain? (2 replies)
- 1991 Polaris starter will not disengage (2 replies)
- Carb questions (2 replies)
- MX port...Drag port?? (2 replies)
- What air filter do you think is best (19 replies)
- What air filter is best in your opinion? (1 replies)
- Is the K&N power lid worth its money? (7 replies)
- Engine Problem I think.... (1 replies)
- what about the extras (6 replies)
- Is the K&n power lid worth the money? (0 replies)
- Gear Ratio 400Ex (3 replies)
- 400ex backfiring & Other Problems (4 replies)
- Removing base gasket (0 replies)
- problems getting broken stud out (1 replies)
- Boost bottle (17 replies)
- sleeve's (0 replies)
- my cylinder is stuck... (6 replies)
- What Causes This ??? Flame out exhaust (YFZ) (19 replies)
- synthetic oil (20 replies)
- Hmf Leak............. (11 replies)
- gearing (2 replies)
- call me retarded but, (5 replies)
- pro design kill switch (5 replies)
- Best CDI rev box for 400ex? (6 replies)
- rear sprocket and chain fit???? (0 replies)
- Does Anyone Know How To Sign Up For A Gncc?... (2 replies)
- z400 big bore kit (0 replies)
- sproket sizes (0 replies)
- Smoking 400ex !?!?! (10 replies)
- KX100 Bogs, Stalls, I Hate it..... (18 replies)
- spark plug color.. (3 replies)
- Wiseco piston rings? (4 replies)
- 400EX 2-inch Performance Exhaust Insert or else ???? (4 replies)
- AC nerfs (2 replies)
- Clutch Question (2 replies)
- piston size (2 replies)
- jets (5 replies)
- White Brother Cams (1 replies)
- 400ex carb problem (3 replies)
- Biggest 250x Front sproket? (0 replies)
- HELP Engine (23 replies)
- is it worth it to buy? (7 replies)
- 300ex oil problems... (5 replies)
- wheres my oil going? (4 replies)
- 300ex no off idle performance (3 replies)
- I have enough! (1 replies)