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- Carb problems (1 replies)
- 426 over heating how many out there do it? (3 replies)
- need help asap (barrings and seals) (4 replies)
- white bros (5 replies)
- White Brothers R4 (2 replies)
- 04 blaster (3 replies)
- clutch and pipe (6 replies)
- Can You Name That Sound???please help....odd noise (5 replies)
- Hot Cam Stage 1 or 2 (13 replies)
- bent shift shaft (6 replies)
- Hotcam Stage 2 (1 replies)
- Timing Chain (1 replies)
- ignition switch (1 replies)
- What is a good crf cam, and crankshaft, and other stuff? (0 replies)
- wiseco 416 or je 416 (7 replies)
- exhuast (7 replies)
- new carrier or just bearings? (11 replies)
- Anyone else do this? (5 replies)
- Give me info and insight on YFZ motorwork... (3 replies)
- Busted clutch cover on 450r (4 replies)
- Backpressure (3 replies)
- Motor Will Not Rev Up (7 replies)
- 400ex timing chain (2 replies)
- Hushing up my pipe. (1 replies)
- Curtis Sparks Pipe need to know?? (8 replies)
- valve adjustment (5 replies)
- sprokets (3 replies)
- 300ex Motor Tranmisson Blown Out (1 replies)
- cooling & gearing on a 465 stroker (7 replies)
- exhaust? (5 replies)
- 250x Carb problem??? (2 replies)
- HOTWIRE- quad won't spark. (7 replies)
- need help fast 300ex valve lash (1 replies)
- ? about 39mm FCR (3 replies)
- LRD exhaust?? (5 replies)
- Raptor, Oil under the Ignition cover? (2 replies)
- rear tires? (17 replies)
- clutch whirring (2 replies)
- 300ex air scoops (0 replies)
- 350x Hp? (18 replies)
- lookin for a bore.... (0 replies)
- cams for stroked motor? (1 replies)
- Help timming a 400ex! HELP!!! (2 replies)
- Hot and Humid (3 replies)
- Is it just me or??? (9 replies)
- Exhuast stud torque? (1 replies)
- JE piston help! (4 replies)
- 300 runs like sh*& when cold (16 replies)
- Help (2 replies)
- Do I need one????? (6 replies)
- where to buy...valve seals and headbolts (2 replies)
- More power on a Z400 (3 replies)
- yoshimura exhaust (2 replies)
- yoshimuras website (1 replies)
- smoke (3 replies)
- Edelbrock carb for a 300ex (1 replies)
- Timing Chain Tensioner going bad...... (0 replies)
- Whats wrong w/ this picture (4 replies)
- jet4power (2 replies)
- New to the World of Carbs (2 replies)
- can't decide which pipe... (11 replies)
- how fast (10 replies)
- Help Please! (0 replies)
- hmf,fmf,white brothers pipes (5 replies)
- Spark Plug Heat Range (2 replies)
- Stretched Cam Chain? (2 replies)
- Is it my Cylnoid??? (3 replies)
- Should I switch pipes? (20 replies)
- CRF 450 overheating... (6 replies)
- carb has my confused (6 replies)
- 400ex exhaust help (6 replies)
- What is a Jug? (4 replies)
- ATV DYNO - Is there such a machine? (3 replies)
- Damnnnn!!! (4 replies)
- Does a cam effect compression (6 replies)
- 400ex Big Gun (6 replies)
- case saver (4 replies)
- Quick question (6 replies)
- who should i let biuld my engine?? (11 replies)
- Port and Polish (21 replies)
- question about a 250x (5 replies)
- Clutch Kit ????????? (1 replies)
- help (9 replies)
- best place for a big bore kit (3 replies)
- 400 ex 416 kit (7 replies)
- quiet, yet loud exhaust (9 replies)
- Ahhhhhhh! (4 replies)
- Hetrick Racing Exhaust (2 replies)
- running rich (6 replies)
- dg pipe (14 replies)
- cam? (3 replies)
- removing a clutch (3 replies)
- 300ex chain adjuster (6 replies)
- Dial a Jet 4 my Recon (5 replies)
- cobra pipe for 300ex? (9 replies)
- Is there such a thing as a keihin 150? (2 replies)
- 300ex chains (5 replies)
- leaking valves? (1 replies)
- stock bore high compression (4 replies)
- cam?? (4 replies)
- electrical problem (9 replies)
- 300ex throttle limiter (1 replies)
- gasket sets? (3 replies)
- Outerwears airbox "lid" (12 replies)
- big bore kits for 1986 lt230s (0 replies)
- i don understand (2 replies)
- 400ex engine swap?????? (8 replies)
- another jetting ? (2 replies)
- Exhaust gasket? (0 replies)
- stock crf head pipe???? (0 replies)
- if the 400 was..... (5 replies)
- FMF Q Exaust (2 replies)
- Where? (3 replies)
- ring or vavle seals (5 replies)
- XR400 Cam in 400EX (8 replies)
- Header leak.. (4 replies)
- started sputtering (3 replies)
- quiet 300 exhaust (9 replies)
- Carb spacers? (3 replies)
- power-now on FCR? (1 replies)
- Dealer Piston Service (6 replies)
- some questions on 400ex mods (0 replies)
- a little smoke (0 replies)
- Damaged Cylinder (12 replies)
- DMC vs. SPARX vs. HMF (6 replies)
- 400ex engine mods (1 replies)
- idle adjustment (2 replies)
- A little help... (11 replies)
- Question... (4 replies)
- 300 jettin (4 replies)
- little starting problem (1 replies)
- post some pics of thos hot bikes (3 replies)
- Help?? Carburator and Jets (3 replies)
- Carb only opens half way (6 replies)
- Sleeve or just bore for 425 (3 replies)
- pics of hmf pipe on z400 (4 replies)
- crf426 q's (13 replies)
- drag pipes on a 4 stroke??? (3 replies)
- what is a better pipe? (23 replies)
- Which is stronger? (3 replies)
- exhaust (1 replies)
- Heat (2 replies)
- 400ex carb on a 300 ex (7 replies)
- whats next (5 replies)
- 10.5:1 compared to 11:1 piston (6 replies)
- Main jet or Jet kit? (5 replies)
- need some opinions (5 replies)
- Front Sprocket (1 replies)
- 400ex port (4 replies)
- jetting for my 400ex? (7 replies)
- cutting out at 1/2 - WOT (12 replies)
- 41mm FCR to big for modified 406? (8 replies)
- whats wrong (7 replies)
- 450r exhaust on 250x (8 replies)
- exaust suggestions (14 replies)
- 300ex camshaft (3 replies)
- carb got my confused (7 replies)
- How to install main jet (3 replies)
- lte racing (3 replies)
- thanks guys for the help (1 replies)
- 350X Conversion Questions (12 replies)
- 250X Cam Chain Adjustment (1 replies)
- need some help (3 replies)
- yoshimura exhaust (2 replies)
- Higher top speed (2 replies)
- exhaust too loud (7 replies)
- Bogging in and out after runnin for a lil bit (9 replies)
- Top end rebuild questions (6 replies)
- "serious" help needed (3 replies)
- 250R axle doesn't fit 400EX (4 replies)
- 400 help plz (2 replies)
- Wiring (8 replies)
- hot wireing (10 replies)
- test (2 replies)
- 300ex with dirtbike killswitch? (1 replies)
- 300ex axle (0 replies)
- Aftermarket Oil Cooler - 400ex (3 replies)
- 87 250x flat throtle response (5 replies)
- Jetting, please help!! (1 replies)
- chain lube (6 replies)
- 440 will not hold idle (12 replies)
- 16 tooth front sprocket for drag racing (4 replies)
- Clutch still slipping, help! (6 replies)
- ? about numbers on JE piston (0 replies)
- 39,40,41 carb size ? (9 replies)
- Axle bearings wearing prematurely?? (15 replies)
- trinity racing pipe (1 replies)
- Valve adjustment on 400ex, web cam? (2 replies)
- how do you post a pic???????????????? (4 replies)
- UNI Air Filter? (12 replies)
- What gearing do you guy run on the 400's for XC? (1 replies)
- 400EX w/ FMF Pipe - Jetting - Any Ideas (5 replies)
- hetrick 310 kit? (1 replies)
- 450r fan (3 replies)
- fcr or lectron (7 replies)
- Dial-A-Jet Fuel Induction System???? (1 replies)
- yoshi pipe (3 replies)
- 250x exhasut? (2 replies)
- exhuast question (2 replies)
- pics red HMF pipe on 300ex (3 replies)
- How to's for installing a 416 kit on a 400ex (3 replies)
- Head Pipe (1 replies)
- LRD Exhaust Spark Arrestor? (2 replies)
- What gearing for sand/dune/desert trail riding? (7 replies)
- valve timing question? (8 replies)
- Hotcam, rockers, etc (3 replies)
- jetting A white bros. E-series....help (2 replies)
- signature (42 replies)
- 465 kits? (2 replies)
- 400ex jetting (1 replies)
- big bore kits and oil coolers (0 replies)
- I Need Help!!! (18 replies)
- best place to buy yoshimura? (6 replies)
- Db level for my t-4 slipon??? (7 replies)
- clutch and brake problems (2 replies)
- will the 2003 400EX axle work in a 1987 250X (4 replies)
- what is good gearing for racing tt my tires are 20in???????? (0 replies)
- 250x grounds (6 replies)
- Shifter Adjustment (2 replies)
- Best Carb for Instant Throttle Response? (17 replies)
- What piston kit? (1 replies)
- what is good gearing for racing (0 replies)
- rev limiter on a stock 400ex? (1 replies)
- 2005- 400ex? (4 replies)
- what is a good bore for a 400ex (1 replies)
- need some help with my 426 (2 replies)
- Honda Xr250R CDI on 400EX? (4 replies)
- Has anyone bought the Emgo oil filters off ebay??? (8 replies)
- HELP! Oil Blown Out of Air Filter! (18 replies)
- Where to buy dynojet 148? (8 replies)
- Bike sat for 1 year (3 replies)
- four stroke tech (3 replies)
- exhaust wont come off!!!!!! (0 replies)
- 300ex problems please help? (30 replies)
- Jetting questions??? (1 replies)
- my motor is making some crazy *** noises (8 replies)
- what performence parts should i buy (4 replies)
- Buying Stock Motor...? (2 replies)
- coating the cylinder after a re-bore. (2 replies)
- why is the 416 kit better than the 426? (3 replies)
- drag racing set up (0 replies)
- A real 600?? (3 replies)
- Stock CDI Boxes (8 replies)
- Need REV. Limiter (1 replies)
- HMF Slip-On for a 400ex? (4 replies)
- CDI REV Boxes (0 replies)
- Best xr600 perf. parts??? (2 replies)
- Aftermarket CDI/Rev limiter? (13 replies)
- 431 kit (2 replies)
- overheating (2 replies)
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