- my bike is going down (15 replies)
- Noises after rebuild(unjetted to yoshi) (4 replies)
- 330 RIDERS wat have ya beat? (13 replies)
- TC exhaust on a 450r (6 replies)
- Needle jet removal???help (4 replies)
- Hard Shifting (2 replies)
- z400 jetting (7 replies)
- question about HMF ehxaust flow (15 replies)
- Cold weather jetting?? (9 replies)
- electrical help please!!!! (5 replies)
- Cam Chain (5 replies)
- major clutch problems please help (4 replies)
- Help, Please? (1 replies)
- Clucthes!!!!!!!!! (1 replies)
- Hill climber atv (9 replies)
- Pro-Flo intake question (1 replies)
- blaster 240 kit question (7 replies)
- whats a good grip? (31 replies)
- New to adding mods questions? (1 replies)
- funny smell (11 replies)
- 416EX engines (13 replies)
- Fuel pours out the overflow hoses? - FCR Help needed (2 replies)
- 300ex w/HMF and WB header?? (3 replies)
- stock jetting (4 replies)
- clutch cable broke (2 replies)
- Adj. valves/cam (1 replies)
- leaded gasoline? (10 replies)
- can a 250x kick start work on a 300ex enigine (11 replies)
- Silencer Tip (10 replies)
- exhaust (32 replies)
- edelbrock carb (5 replies)
- e-series questions (13 replies)
- Trinity stage 4 pipe (2 replies)
- 330ex top speed?? (5 replies)
- I think my transmission grenaded (5 replies)
- Kibble white valves (2 replies)
- '04 300ex exhaust (18 replies)
- R4 exhaust (11 replies)
- Hmf (12 replies)
- How to set cam timing on DOHC motors (2 replies)
- 300ex replacement shifter (1 replies)
- 300EX carb on 250EX... (4 replies)
- 400ex gearing (3 replies)
- Okay, this is fricken rediculous. (47 replies)
- 330ex gearing?? (9 replies)
- clutch problem (18 replies)
- Please help, trying to work on my carb (3 replies)
- rings or valve seals?? (12 replies)
- Check This Out (1 replies)
- Beefed 400EX compared to 450r or yzf450? (92 replies)
- Rebuild (2 replies)
- Reving the Engine on startup (4 stroke) (16 replies)
- about white bros E2 pipe.... (14 replies)
- cam ? (4 replies)
- Hurry Help!!! (1 replies)
- Smoke during warm up (4 replies)
- 416 lacks bottom end power (7 replies)
- Calling all experienced mechanics!! (12 replies)
- hmf slip-on concerns (3 replies)
- where can i find a 39mm fcr carb? (9 replies)
- backfiring?? (7 replies)
- Huge favor (4 replies)
- FCR 41mm carb Q's (10 replies)
- wondering.. (1 replies)
- 350x (1 replies)
- 330ex kit from FST???? (15 replies)
- gt thunder (7 replies)
- glowin red pipe (11 replies)
- what oil for brand new piston? (2 replies)
- 250ex? (2 replies)
- Special tool for a/f (5 replies)
- I hate being this guy...another exhaust question... (1 replies)
- Compression on 400ex (2 replies)
- good investment? (17 replies)
- 300ex question (5 replies)
- Work in Winter = Fast in spring (5 replies)
- 250x 300ex engine (2 replies)
- crack in the exhaust (4 replies)
- stage 1 and 2 hotcams (2 replies)
- How to split the 400EX cases (4 replies)
- FST 500ex bore/stroker kit (16 replies)
- Where to mount (3 replies)
- 42D sprocket?? (2 replies)
- Stock Rod.....12.1 416 ???? (3 replies)
- I hate when people ask the same questions (7 replies)
- PC T4 with powerbomb as good as full exhaust? (0 replies)
- Fcr Carb (0 replies)
- Port & pollish (2 replies)
- axles/carriers (1 replies)
- pilot jet (1 replies)
- portin (8 replies)
- removing baffle (3 replies)
- post-rebuild blues (5 replies)
- magnum rev box (3 replies)
- xr650r in a 400ex frame (9 replies)
- cam and gasket?? (2 replies)
- Duncan Pc4000 (8 replies)
- ****headpipe Question**** (2 replies)
- Megamax on a 330? (7 replies)
- 750ex (20 replies)
- Durablue Axle Locknut (4 replies)
- fcr stiffness (3 replies)
- cam stamps (4 replies)
- What cam do i have? (1 replies)
- 330ex Jetting Help!!!!!!!!!! (9 replies)
- Anyone running a stage 4 WEB cam in thier 300EX (5 replies)
- valve adjust torque specs (2 replies)
- Which cam for dunes? (8 replies)
- Edelbrock 400ex carb?? (5 replies)
- UNI or Pro flow replacement?? which one (4 replies)
- thinking of juicing my motor up..suggestions (13 replies)
- engine rebuilding question (3 replies)
- 350X engine in 300ex frame. (9 replies)
- Help With Clutch Replacement (1 replies)
- yzf 450 exhaust sound (3 replies)
- knocking engine (4 replies)
- Oil to Run in Cold weather (5 replies)
- Boyesen Reed Problem ! (0 replies)
- crf ti valves (2 replies)
- Valve Seals (5 replies)
- Jetting for a TC slip on (6 replies)
- Hmf Loudness (8 replies)
- 800 grizzly (1 replies)
- havin some trouble with the 400ex (8 replies)
- weres the cheapest place to get JE and ross pistons (7 replies)
- Spark plug for a 416 (12 replies)
- CRF cuts out on bottom end. (3 replies)
- fcr 39mm carb... need help fast! (18 replies)
- Motor Work Questions. (6 replies)
- Hard Starting? (31 replies)
- core charges (18 replies)
- right motor case stuck? (8 replies)
- Spark plugs (6 replies)
- Rebuilding clutch ? (2 replies)
- white brothers e series turn down end cap (7 replies)
- wtf chain problem? (6 replies)
- Do I have to remove the swingarm to replace my chain slider? (1 replies)
- piston bores? (5 replies)
- 250ex bbk? (3 replies)
- 300EX reverse (1 replies)
- Block off kit (10 replies)
- preditor 90 (0 replies)
- right case gasket (3 replies)
- 400ex Cams: Which ones are billet? (11 replies)
- 400ex " break in Procedure" (3 replies)
- wb cam (6 replies)
- 330 kit??? (31 replies)
- FmF power core 4 muffler-jetting (3 replies)
- grinding welds (6 replies)
- installing a hotcam (3 replies)
- need more speed for the winter (9 replies)
- More power out of my 250 (8 replies)
- bigger keihin?? (2 replies)
- All oil filters the same? (12 replies)
- fcr wont idle 39mm (4 replies)
- Advantages of a Rev Box (2 replies)
- Light weight Piston (7 replies)
- Hotcam??? (4 replies)
- cam chain (2 replies)
- clutch torque (3 replies)
- 300 power and speed (4 replies)
- high rev-cdi box? (7 replies)
- 300ex carb (2 replies)
- 300EX parts (2 replies)
- Carb/engine making noise (1 replies)
- hitting the rev limiter and clicking when bogged (1 replies)
- 416 better for MX then 440? (2 replies)
- porting (6 replies)
- Ignition coils? (1 replies)
- 400ex head gasket (1 replies)
- big gun pipe for 300ex?? (1 replies)
- very low hrs on new piston and smoke when Cold?? (6 replies)
- 300EX air scoops (14 replies)
- Fcr 39mm on 400ex (0 replies)
- To buy or to build a 465EX? (6 replies)
- owners or riders of 400ex 2005. About the new gear ratios... (12 replies)
- white bros end caps (0 replies)
- 400ex upgrade (0 replies)
- 42 Pilot jet (16 replies)
- Leaking Carb, Fixable? (3 replies)
- Rev Limiter on 400EX (13 replies)
- cleaning a motor (2 replies)
- Hmf header or Power bomb (1 replies)
- biggest bore possible (19 replies)
- 416ex jetting question (1 replies)
- Stock front tire size?? (5 replies)
- 400ex HMF s/o (8 replies)
- Jet needle settings (6 replies)
- How to build the best 416??? (1 replies)
- Keihn Carb (2 replies)
- Sidewinders (0 replies)
- 6 speed 400ex? (4 replies)
- smoke (8 replies)
- Trinity Racing (30 replies)
- quick which one guys? (6 replies)
- who can make a shorty? (6 replies)
- stock pipe jetting (1 replies)
- FMF Powercore 4....300EX (6 replies)
- Yz250F carb on 300ex (2 replies)
- who makes a good cam for 400ex??? (16 replies)
- Pulse Charger (3 replies)
- valves (2 replies)
- 400 EX HMF pipe (11 replies)
- inform me on strokers for the ex (17 replies)
- 250ex ? (3 replies)
- Axle Lock Nut (6 replies)
- head gasket (4 replies)
- Need advice on my 480 big bore (4 replies)
- Tusk Clutch Vs. EBC (10 replies)
- 300ex motor help (10 replies)
- rear sprockets???? (5 replies)
- 660 yamaha (2 replies)
- Cleaning chain (13 replies)
- what pipe to get (8 replies)
- 400ex wont start unless in nuetral (9 replies)
- Wheelies on 250EX,How to keep gas from dumping (2 replies)
- What head pipe is the best for the 400EX (3 replies)
- 300ex stock jetting (2 replies)
- Hotcam Vs. Web cam (5 replies)
- 400ex kickstart (9 replies)
- High Compression Question??? (4 replies)
- k&n air filter (2 replies)
- anyone use a twist throttle on a crf450 hybrid? (7 replies)
- what jet should i use (8 replies)
- newbie with motor setup?s (3 replies)
- 400ex valve cover bolts.... (3 replies)
- 02 decompression sticking at idle (10 replies)
- Need advice (7 replies)
- Cdi (0 replies)
- 330 kit. (5 replies)
- Need Help On 300ex Clutch!!!!! (5 replies)
- HMF slip on or full system for 400ex (10 replies)
- 450R silencer on a 400 (1 replies)
- Hot Cam Stage 1 or 2? (4 replies)
- float vlave (1 replies)
- Need some help by experienced people (23 replies)
- Spark plug socket (2 replies)
- 99 carb probs? (4 replies)
- Runnin rich (1 replies)
- Need Warriror help bad! (10 replies)
- Quick YFZ Question . (3 replies)
- yz kickstart question (5 replies)
- Keeping the 400ex cool (6 replies)
- help! WHERE IS 400EX MAIN JET (5 replies)
- frying 400ex clutch cables... (19 replies)
- starter probs (3 replies)
- Does is take race gas? (12 replies)
- z400 carb? (7 replies)
- ATTN: Mickey Dunlap. ATC500X?? (2 replies)
- What else can i do???? (9 replies)