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- I think im running lean (8 replies)
- Exhaust Comps (2 replies)
- which engine kit for 300ex (6 replies)
- edelbrock vs fcr (13 replies)
- race fuel question cam2 (6 replies)
- New 400ex owner - Few Q's (10 replies)
- Z400 not all that (4 replies)
- Dynojetkit, which stage? (3 replies)
- Big Gun Exhaust (4 replies)
- someone please help me out!! (4 replies)
- is the honda manual better than clymer? (8 replies)
- what all shall i have the shop do? (1 replies)
- 250x problem (5 replies)
- Jetting Question! (2 replies)
- white brothers slip on return..?? (15 replies)
- need more low end what to do? (11 replies)
- IM all fouled out (0 replies)
- will a billet shift lever make a noticeable difference? (8 replies)
- Whos pipe has the most low end (21 replies)
- 300ex problems again (0 replies)
- Fdo 493 Rips!!!!!! (29 replies)
- 300 bogs out in jumps (0 replies)
- 416 is all done!!! (9 replies)
- Jetting Question?? (3 replies)
- 479 grind web cam (3 replies)
- i bought a slip-on a while ago and now.... (4 replies)
- 440 kit (3 replies)
- Whats the differance between a Powervaulve and a non-Powervaulve? (3 replies)
- Neutral light out, won't start without clutch in question (2 replies)
- Valves hitting the piston ..help (17 replies)
- 400ex carb on 250x (7 replies)
- quietest pipe for a 300ex (8 replies)
- HMF end caps?? (2 replies)
- 400ex exhaust? (4 replies)
- where can i get wiseco pistons? (6 replies)
- hardface rockers............ (3 replies)
- What cams are best? (9 replies)
- 400ex Battery problem (11 replies)
- 400ex to 300ex carb ? (2 replies)
- Broke off bolt in oil filter (9 replies)
- Suzuki LT250 vs. Honda 250r (5 replies)
- 339th Sand Drags (0 replies)
- 41 FCR owners please read (5 replies)
- 250r's (0 replies)
- need more power !!!! (2 replies)
- Putting motor back together - cam timing question (27 replies)
- back fire, how can i fix it (7 replies)
- What Company makes stock exhaust??? (3 replies)
- 250r head (1 replies)
- 200x ? (7 replies)
- any more ideas (8 replies)
- oil filter (3 replies)
- hey will it fit? (6 replies)
- fst cool kit (1 replies)
- yfz 450 verses trx 450r (9 replies)
- LRD Stage 3 power up kit (4 replies)
- What should my ring gap be? (2 replies)
- Exhaust (2 replies)
- what porting?? (2 replies)
- DPR 8Z or 9Z ? (3 replies)
- post a tip for installing cam and piston (10 replies)
- its finally coming trx450 quad (19 replies)
- source for exhaust valves (1 replies)
- bent valves? (3 replies)
- Magura Hyd Clutch Help (3 replies)
- need feedback on mods i am about to make on my 2001 300ex (19 replies)
- advance timing key (8 replies)
- 400ex airbox (2 replies)
- Supertrapp IDS-2 Head Size??????? (0 replies)
- Help with my Case saver. (7 replies)
- 250x valve settings (3 replies)
- Possible Jetting Problems (3 replies)
- air box (4 replies)
- Aftermarket coils? (1 replies)
- oil cooler (5 replies)
- Breaking in Craptors PLEASE HELP (6 replies)
- how big are the 400ex valves (4 replies)
- Did X Ring Chain Problem (16 replies)
- stage 1 vs. stage 2 (7 replies)
- TRX450 information (0 replies)
- Stock compression??? (2 replies)
- Choke removal Worth it???? (11 replies)
- amp link worth it or not? (3 replies)
- Help friends quad on crack!!!! (22 replies)
- Help quick carb drain screw (1 replies)
- best pipe? (15 replies)
- Easy hop ups (2 replies)
- Tachometer (1 replies)
- jetting for application,HELP (13 replies)
- Crf 450 Quad Offical (8 replies)
- 400 ex vibrates like crazy!!??? (11 replies)
- In Da Clutch (1 replies)
- Need Help With Thumb Throttle Installation (1 replies)
- Slip on or bolt on header etc? (1 replies)
- 330 bore kit (1 replies)
- Stock Carb Mods? (11 replies)
- Pictures of the newest cam (13 replies)
- my 400 is flooding to easily (1 replies)
- Throttle cable? (6 replies)
- Burgard or Meszaro bearing carrier? (5 replies)
- chain and sprokets (3 replies)
- CRF 450 vs. 250R (31 replies)
- w/bros disks / JETTING (4 replies)
- Scorpian Exhaust (4 replies)
- carb question (2 replies)
- Which piston (3 replies)
- blue smoke (2 replies)
- 300 EX carb problems (1 replies)
- Props to White Brothers Customer Service! (8 replies)
- one question (9 replies)
- clutch problem? (2 replies)
- UNI vs K&N (2 replies)
- Trx450 (1 replies)
- For Dirt Only questions (6 replies)
- 250EX Rev Box? (2 replies)
- 300ex help!!! (6 replies)
- 250R runs great but should run like crap!! Inside Please!! (8 replies)
- 440 blowing head gaskets (1 replies)
- spark arrester (5 replies)
- electrical (1 replies)
- 416 not emough power (53 replies)
- dmc/// others (6 replies)
- 460? (6 replies)
- E-series..How many discs? (19 replies)
- Another problem with the 416 (73 replies)
- tuning help (2 replies)
- idling problem (9 replies)
- im new, i few questions (31 replies)
- Help me figure this thing out. (4 replies)
- 440ex perfomance decisions. (8 replies)
- pistions, hotcames, sleeves? (11 replies)
- Air Shifter (0 replies)
- #42 pilot jet question (7 replies)
- fast help-wont start (16 replies)
- My 426 is quieter than my 400 was?? (7 replies)
- What do you think is rong with my r...? (2 replies)
- Is there a right way or wrong way?? (8 replies)
- Is any one piston better than another? (7 replies)
- carrier bearings (4 replies)
- help quick, please! (8 replies)
- 3oo ex cooling (3 replies)
- dynojets for more power? (7 replies)
- Anyone tried this? (17 replies)
- Need help finding a part (6 replies)
- 300ex (4 replies)
- i want to go faster (15 replies)
- 14t sprocket with stock case saver?? (6 replies)
- rev limiter, gears, jets,exhaust.. (4 replies)
- FCR accelerator pump (43 replies)
- A rumor from GT thunder!! (44 replies)
- Which Slip On (21 replies)
- NOT A NORMAL QUESTION.... What if you tried to run a pint of NITRO w/117 Race fuel??? (1 replies)
- Jeggs aux. oil cooler?? (29 replies)
- How do i get my axle out of my axle carrier (9 replies)
- a question about the YFZ 450 carb (6 replies)
- need some serious clucth help (7 replies)
- XR400 and 400ex clutch's the same,right? (2 replies)
- shifting question (2 replies)
- db on stock exhaust? (14 replies)
- how much axle bearings (5 replies)
- help (6 replies)
- changing cam without changing piston? (21 replies)
- opinions please (7 replies)
- Break-in - Cam or Piston? (13 replies)
- crf yzf engine in 300ex (14 replies)
- Advice on Z400 motor work (4 replies)
- What Should I Do! (4 replies)
- 11:1 ok with 93 oct. gas? (6 replies)
- somethin for all (curious?) (6 replies)
- Black smoke when first started?? (8 replies)
- '99 cr250 starting then backfires and quits (6 replies)
- 250R Guys help with freak problem!! (10 replies)
- 2stroke problem (9 replies)
- port and polish please help (3 replies)
- Gas Leak? (2 replies)
- sprocket question (3 replies)
- Are Whellies bad?!?!? (61 replies)
- Changing to twist grip today... Need guidence.. (7 replies)
- Why Wont Anybody Answer?!?!?!?! (5 replies)
- dyna ignition system? (1 replies)
- wont idle for nothin (13 replies)
- gears 400ex (1 replies)
- jets (1 replies)
- gears (4 replies)
- 400ex carb (4 replies)
- 426 Jetting Question (15 replies)
- is HMF a good pipe? (5 replies)
- lower dome piston? (13 replies)
- crankcase breather spitting oil? (2 replies)
- worn clutch symptoms (5 replies)
- carb swap for 300 ex (5 replies)
- clutch repalcement help needed (7 replies)
- Problem with.......!!! (5 replies)
- What do you think about this 300EX mods im about to do? (17 replies)
- 416 question (3 replies)
- Clutch problem (4 replies)
- think this is any good? (4 replies)
- gears (4 replies)
- best foam filter (20 replies)
- My 440 kit? New Englanders read! (20 replies)
- Xr's only website (1 replies)
- 300ex jetting (1 replies)
- valve lash? (6 replies)
- 8 hrs on new 400, decelaration smoke! (13 replies)
- 250R clutch cover? (1 replies)
- 300ex edlebrock carb? (2 replies)
- suzuki 105 starter problems (0 replies)
- Powerbomb with E-Series Slip on? (5 replies)
- thickness of clutch plates (1 replies)
- Where are the pro circuit t-4 accessories? (3 replies)
- is a 440 kit reliable? (4 replies)
- slip on or full exhaust ??? (8 replies)
- Speed and Gearing Calculator for the EX.... (8 replies)
- Anyone running a 430EX? (5 replies)
- 250x ????????? (5 replies)
- High Octane (14 replies)
- Uni Filter Question (7 replies)
- Update to my blown motor need help (17 replies)
- can anybody help me identify a cam shaft? (6 replies)
- Magura 300ex clutch (2 replies)
- best drop in cam for 300EX???? (0 replies)
- FDO Website? (4 replies)
- does the 04' 400ex have a 38mm carb? (13 replies)
- hard starting & low idle after being heated up, bike blubbers at midrange. too rich? (5 replies)
- my pipe... (12 replies)
- 34mm carb (2 replies)
- This one is for castor? (8 replies)
- Modified Head Pipes (10 replies)
- HRC cam update (0 replies)
- 416ex jetting question (0 replies)
- Painted Engine (8 replies)
- k&N part# (1 replies)
- Symptoms of overjetting (8 replies)
- Cracks (8 replies)
- 440 ex JE piston (5 replies)
- 300 ex carb question (2 replies)
- Which big bore kit? (2 replies)
- how hot will 400 get? (13 replies)
- Engine performance (14 replies)
- DG xccelerator (6 replies)
- REVV box (7 replies)
- Hard to get neutral!!!??? (8 replies)
- stock needle with dynojets (2 replies)
- Sparks Pipes (5 replies)
- maybe not that bad (5 replies)
- Hard Clutch Pull (14 replies)
- Stock 400 faster than mine. (25 replies)
- FCR...gas tank clearance (7 replies)
- hrc COPY CAM FROM XR ONLY? (1 replies)
- Jetting on '03 EX (4 replies)
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