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- EX Jetting ? (6 replies)
- Axle nut question (5 replies)
- Main Jet (20 replies)
- removing axlenut (4 replies)
- Motor swap suggestions-whats best? (20 replies)
- big bore? (9 replies)
- Clicking! (2 replies)
- gt thunder (5 replies)
- Air/Fuel Screw ( Happy Day ) (3 replies)
- misses when riding wheelies (11 replies)
- Cylinder Head Cover Bolt Snapping (12 replies)
- CRF stalling (1 replies)
- WHen ur 400ex is in the air.. Is the wheels suposed to turn when clutch is pulled in? (6 replies)
- 400ex (6 replies)
- 250x jet kit wut to do!??!? (1 replies)
- Terrible CLICKING noise..Help! (3 replies)
- YZ125 Jets? (0 replies)
- r-4 header question (5 replies)
- After market bearing carrier (5 replies)
- chain replacement (8 replies)
- Which exhaust?? (6 replies)
- 42 pilot actual size (1 replies)
- Can't get neutral (6 replies)
- Jetting problem (2 replies)
- 400 ex = 400 xr engine? (1 replies)
- Sparks 8-plate clutch kit (7 replies)
- drilling out pilot jet (13 replies)
- K&n Xstream Powerlid (2 replies)
- Pimping (0 replies)
- making a trip up to nacs... (10 replies)
- slip on? (4 replies)
- Rejet for new piston???? (1 replies)
- New clutch perch on a 400EX? (8 replies)
- air box lid (8 replies)
- will my exhaust pass? (1 replies)
- cdi box (5 replies)
- high rpm cutout solved (0 replies)
- Blown top end on 416ex (3 replies)
- jetting help! (7 replies)
- I'm stumped....need help (16 replies)
- Anyone dyno there 416? (12 replies)
- axlenut help (14 replies)
- Need Good Engine Builder Around MI, OH, IN (13 replies)
- 400EX Chain slack and tooling (2 replies)
- Honestly 400ex or kfx400?? (14 replies)
- oil decision (18 replies)
- best carb for a mojave (1 replies)
- DR cylinder (1 replies)
- 300ex rev box (4 replies)
- 12.5:1 vs 11:1 Compression on 440EX (11 replies)
- What's wrong? (8 replies)
- Boyseen reeds (0 replies)
- 400ex choke removal (6 replies)
- FST's website (24 replies)
- would this fit?? (3 replies)
- Wiseco high compression 416 piston (7 replies)
- lt 250r needle jet (1 replies)
- smoking? ...... (8 replies)
- 250r fuel mixture (5 replies)
- rear caliper (1 replies)
- 250r fluids (11 replies)
- sprockets/tire ratio? (1 replies)
- Nitros Oxide (3 replies)
- new clutch (0 replies)
- 400ex exhaust (1 replies)
- my clutch is too tight (12 replies)
- Another Jetting question, Do I need jetting? (1 replies)
- changing cdi box (3 replies)
- pipe? (1 replies)
- Please help, my 300ex wont start (3 replies)
- Want a kick *** quad. (1 replies)
- Chain length for 36t. rear sprocket? (3 replies)
- what clutch perch/lever (21 replies)
- valve clearance (3 replies)
- Need some help with a spark plug? (5 replies)
- i Gotta question? (0 replies)
- starter clutch ? (2 replies)
- 300 ex head cover leaks need help (4 replies)
- yz conversian to 300 (3 replies)
- stock bored carb question (14 replies)
- idle - mid jetting question? (1 replies)
- mega max muffler, HELP (20 replies)
- jetting question (8 replies)
- Its a great cam (0 replies)
- pipe's (2 replies)
- 400ex HRC cam info (11 replies)
- Adjusted valves = weaker? (2 replies)
- Need 400 motor advice...... (20 replies)
- ceramic coating (11 replies)
- Rockers (3 replies)
- Blown Motor (17 replies)
- sprocket and chain kit ? (2 replies)
- TC racing pipe (3 replies)
- What size jet for 300EX? (1 replies)
- Need Help!!! (1 replies)
- Cheapest 250R? (12 replies)
- 2 Ride or not 2 Ride (4 replies)
- Lectron Carb-universal? Fit KFX? (3 replies)
- Bearings and sparks timing key? (2 replies)
- Clutch slips, should i change springs only ? (11 replies)
- xr80 exchange with xr100 (0 replies)
- Big gas tank VS HD head studs for 426 (5 replies)
- Dyno Jet Kit or... How much power???? (20 replies)
- Cam question?? (2 replies)
- 330 kits (23 replies)
- Proper bearing carrier instalation (3 replies)
- recommended upgrades (10 replies)
- stock 400ex carb on a 300ex (5 replies)
- adjusting throttle-300ex? (18 replies)
- weight limit (66 replies)
- 400ex, smoking and blowing oil out the exhuast...???HELP (1 replies)
- $300 worth of mods (5 replies)
- EdleBrock QuickSilver Carb!?!? HELP! (1 replies)
- Ticking noise (9 replies)
- TC Racing Pipe (5 replies)
- big gun rev box (0 replies)
- Pipe Shootout - Cast Your Vote (46 replies)
- 426 not running up to par!!! (7 replies)
- question about the yzf426 motor and crf450?? (19 replies)
- HMF with K&N (jetting?) (11 replies)
- 400 wont idle at startup (3 replies)
- Bearing carrier ? (5 replies)
- standerd bore 10:8 or a 416? (9 replies)
- dyno jet question (12 replies)
- 250r motor (1 replies)
- Quick Question (2 replies)
- high rpm sputtering (3 replies)
- 250R Engine Q. (1 replies)
- spark arester (7 replies)
- what jets (7 replies)
- checking the valves (2 replies)
- Connecting rod problems (6 replies)
- Aftermarket header, is it worth it? (2 replies)
- falt spot in top end (4 replies)
- top end Compression pressure (2 replies)
- Best kind of gaskets? (8 replies)
- exhaust problems (1 replies)
- my 416ex blows black smoke wen i start it??WHY?? (8 replies)
- feeler gauges (3 replies)
- Alum. airbox (8 replies)
- 38mm edelbrock price (2 replies)
- ct racing exhaust (1 replies)
- 400ex exhaust (1 replies)
- 16 tooth front (12 replies)
- 250r questions (9 replies)
- 300 running like crap (8 replies)
- Why is it hard to start? (3 replies)
- Sputtering (1 replies)
- Lectron carburater?good? (1 replies)
- quick ??? fast (2 replies)
- bah hard starting (1 replies)
- oil (14 replies)
- carb compatibility? (5 replies)
- coolest thing ever (5 replies)
- whoever has a clymers 400ex manual and a scannr or digital camera, please read!!!!! (12 replies)
- Best place for 250R cases? (6 replies)
- FCR 39 Jetting?? (1 replies)
- pilot (0 replies)
- Who knows how to take off Right crankcase cover on 400ex? I need it in detail... (10 replies)
- Hrc Kit Question (1 replies)
- Head Lights????? (1 replies)
- HELP with Timing chain tensoner (7 replies)
- What dealers have DynaTek Igniton in stock? (1 replies)
- 300ex jetting (2 replies)
- why do people remove the choke?? (3 replies)
- powroll 415 kit (3 replies)
- HMF exhaust (14 replies)
- 500EX or 450R (27 replies)
- finaly did it (0 replies)
- Different Fuel question (5 replies)
- Timing chain tensoner(HELP!HELP!) (7 replies)
- tc pipes (5 replies)
- 400ex parts fit on a 450r? (0 replies)
- sparks verse white bros (4 replies)
- 400ex verse rm250 (25 replies)
- Just how fast (16 replies)
- Ktm 250r (7 replies)
- 400ex-yzf 450 Could it be done? (5 replies)
- Head gasket ? (3 replies)
- E-series pipe pulling discs out (1 replies)
- white bros exhaust (1 replies)
- weird kind of shaking when in reverse (18 replies)
- 400 wont start in gear (8 replies)
- Timing chain again (0 replies)
- Do I need..... (3 replies)
- 400ex ticking(not the valves) (11 replies)
- Warning Patch on Back of Seat Cover (0 replies)
- Waking the 250ex up! (7 replies)
- how good are wb r-4s (11 replies)
- Tusk clutch kit review (9 replies)
- The 500 kit for $910!! (34 replies)
- 450r HELP HELP (4 replies)
- 400EX bogs at WOT stab from idle (1 replies)
- 400ex Ignition (30 replies)
- Does this sound right???? (2 replies)
- Clutch Spring? (1 replies)
- Think I fried my starter.....HELP!!!! (1 replies)
- hollow scratching noise (8 replies)
- etting again (7 replies)
- CR400 Sprockets on 400EX (10 replies)
- TRX250R will a CR250 motor fit? (3 replies)
- 250R radiator shield? (3 replies)
- sparks x-6 exhaust (13 replies)
- battery dead? (1 replies)
- 250x best plug (0 replies)
- LRD exhaust for 400ex (1 replies)
- Tinner's Air Scoops or OMF? (43 replies)
- Ex600? (2 replies)
- Air Boot (3 replies)
- jets (0 replies)
- driving me nuts (3 replies)
- need a quiet pipe (8 replies)
- lectronn carb (0 replies)
- web cam or Hotcams stage 1? (36 replies)
- Sparks 465 kit (14 replies)
- Fuel (23 replies)
- WB pipe jetting (1 replies)
- take away power (2 replies)
- How many BRC members here? (1 replies)
- 250ex to 250r conversion (10 replies)
- Carb model on 250X (1 replies)
- cooling the 400ex motor (22 replies)
- Need an oil tank fast!! Where to look online? (3 replies)
- loudest pipe (22 replies)
- wb pipe (5 replies)
- Yet another dumb question... (6 replies)
- 400ex to yzf conversion? need directions (1 replies)
- TC RACIng!!!!!!!!!!!!!!!!!!!!!!!!! (22 replies)
- Pro-Circuit shorty (2 replies)
- Installing an FCR Carb (7 replies)
- getting a .040 piston got some questions (4 replies)
- Ultimate 4 And Edelbrock Carb Problems (2 replies)
- Chain and sprocket install. (3 replies)
- dirty valve (2 replies)
- 300ex vs. 400ex (26 replies)
- cheapest place to get hinson inner hub (1 replies)
- engine stall when blipping the gas (8 replies)
- Water stalling motor (8 replies)
- Engine Mods (11 replies)
- Gasket where slip-on meets header (9 replies)
- Lean Issue - 205 Main and Still Lean - HELP!!! (5 replies)
- am i right (0 replies)
- Piston color..... lean, rich, ???? (12 replies)
- boring case? (7 replies)
- How To Properly Break in a Trinity Motor? (4 replies)
- Best tire for trails. (4 replies)
- 66mph top speed GPS. (12 replies)
- 1986 250r going back together with you help (0 replies)
- Which pipe should I choose? (6 replies)
- Pipe (3 replies)
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