- 40mm FCR - Service Honda (19 replies)
- 250ex pipes ?? (5 replies)
- 426 vrs 440 (3 replies)
- 416 rejet (3 replies)
- K&N or UNI filer? (21 replies)
- Re-jetting Question (2 replies)
- quad dies when throttle's applied. (10 replies)
- 250x/300ex jetting????? (3 replies)
- Puzzling exhaust stud leak?? (7 replies)
- exhaust? (4 replies)
- I cant believe Im hearing this....... (32 replies)
- Cam removal question (7 replies)
- Engine cutting out!!! (1 replies)
- bore size (3 replies)
- cr 250 ignition on a trx250r? (6 replies)
- increase topend power on 400ex (18 replies)
- sparks flying (2 replies)
- Got amplink? (5 replies)
- Magura hydro clutch good or bad? (3 replies)
- cut's out at haft trottle (3 replies)
- Advantages of Stroking? (17 replies)
- whats the best carb?(426ex) (3 replies)
- need answers (8 replies)
- i need some advise (7 replies)
- oil (27 replies)
- check this out (3 replies)
- HRC cam or XR cam ???????? (7 replies)
- Stupid Question (0 replies)
- Just got done with a valve adjustment (3 replies)
- Fla.jetting -look (2 replies)
- 400EX High comp stock piston or 416-need more power (8 replies)
- Methanol Carbs (2 replies)
- just a simple question about a cam.... (8 replies)
- drop in cams (6 replies)
- QUIET, w/no Power Loss Exhaust System (37 replies)
- 250x to 350x conversion (9 replies)
- Case Saver question? (3 replies)
- Need a little engine help... (2 replies)
- Shorty stock 400ex (HELP) (2 replies)
- key switch with a quadtech hood (4 replies)
- What kind of chain/sprockets??? (29 replies)
- what to do? (2 replies)
- Stiff clutch Question!!!! (14 replies)
- 400ex question? (4 replies)
- dynojet needle and carb question (2 replies)
- motor prob! (4 replies)
- i think i want a 310 for my 250r? (26 replies)
- Will I be happy with a 400ex (9 replies)
- wobbley crank (4 replies)
- anybody running HMF Exhaust? on a RECON? (0 replies)
- Sparks Ignition Purchase? (1 replies)
- Shift lever position (12 replies)
- cripes (17 replies)
- Air/Fuel Screw (4 replies)
- were can i get a good price on axle bearings (2 replies)
- slow jet (2 replies)
- light bulb (1 replies)
- tried plug chop (1 replies)
- Clanking noise? (5 replies)
- 426 all set up? (4 replies)
- 250r clutch update (3 replies)
- 2000 400 ex shift problems (4 replies)
- 250ex full system - HMF or Graydon? (4 replies)
- wb disc's? (4 replies)
- 2004 400EX carb 38mm? (37 replies)
- carb question (4 replies)
- Stag 1 (2 replies)
- they DROPPEd the pilot in my 426??? (12 replies)
- exuast question (0 replies)
- Jetting Question for 300ex (7 replies)
- Race Your Built EX Against the New 450R Yet? (19 replies)
- 300ex Won't Start (7 replies)
- After market carb (6 replies)
- whats the diffrence? (3 replies)
- What compression does a stock 400ex have (1 replies)
- Yoshimura worth the extra dough? (12 replies)
- rev limiter??? (4 replies)
- top end rebuild (3 replies)
- Idle screw (7 replies)
- Sparks timing Key (7 replies)
- What oil to run (6 replies)
- Jet sizes (11 replies)
- pilot jets (5 replies)
- Just ordered WB (4 replies)
- jetting (3 replies)
- Who cleans up the ports? (19 replies)
- You guys that run AMSOIL look here (42 replies)
- jetting with a k@n filter and e- series pipe (3 replies)
- Wtf!!!??? (42 replies)
- need help (3 replies)
- desert toyz (0 replies)
- Gunnar Teather (6 replies)
- IS there a low oil light on the 400ex (4 replies)
- break in process (4 replies)
- 400ex break in process (4 replies)
- any one here about the eddie sander racing engine for the 400ex??? (5 replies)
- need more power (6 replies)
- Curtis Sparks pipe question... (5 replies)
- 41 FCR owners with 440's....please read (2 replies)
- 110 leaded octane? (4 replies)
- 300ex worth 2400? (10 replies)
- slip on exhaust for built motor? (8 replies)
- looking for a post (4 replies)
- 400ex cams (1 replies)
- Rincon Pipe Reccomdation (13 replies)
- piston and cam (2 replies)
- bummer (2 replies)
- headers glowing? (12 replies)
- 400ex daul exhaust (9 replies)
- what jet (0 replies)
- modified header (2 replies)
- axle problems..please help! (3 replies)
- Clutch (1 replies)
- 300ex headpipe (5 replies)
- 400ex...Help! (3 replies)
- front sprocket question??? (4 replies)
- 300ex whats that noise?! (10 replies)
- no choke starts? (2 replies)
- what size jet do i use for a 400ex????? (4 replies)
- '01 400 won't start. Please help. (8 replies)
- Chain questions (5 replies)
- fmf megamax 2 ? (2 replies)
- Steam comming out of my Radiator overflow... *HELP* (9 replies)
- Burgard bearing carrier problem (4 replies)
- OOOPS!! Carb Problem (4 replies)
- 416 wont start help!!!! (9 replies)
- Best Aftermarket Brake Pads ??? (13 replies)
- will crf big bore kits fit in the new 450r (5 replies)
- What size scoket is a 400 ex Spark plug (8 replies)
- Gaskets (3 replies)
- Blowing Fuses (9 replies)
- 400EX Exhaust (6 replies)
- If You Have An Opinion On Hotcams Then Read This (15 replies)
- Headers Melting Clutch Cable (2 replies)
- Cam Help (6 replies)
- lrd pipe (0 replies)
- Hot Cams (13 replies)
- 13:1 or 12:1 Compression for 440? (15 replies)
- Hard Starting, Plug Fouled! (3 replies)
- Slip On (1 replies)
- ALBA Pipe (12 replies)
- gearing change (4 replies)
- UNI Airbox vents (0 replies)
- 400ex high compression runners (9 replies)
- reading spark plug color (2 replies)
- magura clutch help (3 replies)
- flywheel/stator problem (2 replies)
- jetting (3 replies)
- PLUG CHOP -pilot jet/opinion's (10 replies)
- Clutch cover (2 replies)
- shining up my pipe (5 replies)
- High Comp Pistons (8 replies)
- Hmf (5 replies)
- TC Cam 926 (6 replies)
- Crf450 in 400ex? (3 replies)
- Engine builders....Help needed (1 replies)
- Which pipe is better for a 250r ESR5 or LRD (17 replies)
- 400ex engine...would it fit? (6 replies)
- 416/440 big bore kit vs. high comp piston/cam (6 replies)
- New sprocket / old chain? (4 replies)
- what jet? (1 replies)
- OH Damn, Another HotCams failure! (28 replies)
- carb worth it or not???? (9 replies)
- stock for now (5 replies)
- What jets come stock (4 replies)
- 400ex Upgrades (5 replies)
- chain roller thing ????? lol (3 replies)
- Electrical problem-almost impossible to start (10 replies)
- 11:1 compression pistons (2 replies)
- need help with instalation (1 replies)
- TC Racing (26 replies)
- Public Announcement (uh huh..) (1 replies)
- bogging in all gears (9 replies)
- Power Gain (1 replies)
- my fcr 41 carb on a crf? (0 replies)
- anybody have a aftermarket carb on there 300ex (0 replies)
- Not getting any spark (8 replies)
- 250r in 250x (4 replies)
- front sprocket (1 replies)
- Sparks National 416 vs 426 (2 replies)
- 416 (5 replies)
- Pipes!! --What is your opinion on the best pipes for the 400EX? (41 replies)
- Big Bore kits: which is best? (3 replies)
- Valve adjustment, and valve seal questions (2 replies)
- valve clearance (3 replies)
- exhaust???'s (4 replies)
- 400ex wont start for anything! plz help! (20 replies)
- Sprocket question (1 replies)
- Cold start problems... (13 replies)
- Ground my header welds..........Pics (7 replies)
- 250r carb (12 replies)
- Information Needed (1 replies)
- Need to Beat a Z400 (23 replies)
- getting the timing right? (5 replies)
- rod bearings on a 400ex (5 replies)
- cleanin cases???? (2 replies)
- need exhaust valves (1 replies)
- auto clutch for manual transmissions (25 replies)
- 400ex carrier (8 replies)
- number of discs to use with e-series (5 replies)
- battery won't charge (3 replies)
- when doin a cam? (6 replies)
- cr 500 in a 400ex frame?? (19 replies)
- 400ex cam or piston (5 replies)
- profabatv kits have a problem (2 replies)
- Sparks X-6 question. (Installation) (5 replies)
- Teeth (1 replies)
- proper break in period for a bore kit (16 replies)
- Fuel question (11 replies)
- Need More TC Racing info (3 replies)
- jetting problems (2 replies)
- 400ex piston question (3 replies)
- decided to shorten my silencer... (20 replies)
- K&N/PC T-4 jetting? (5 replies)
- 250r motor in a 400ex frame (1 replies)
- Chain and sprockets (4 replies)
- I need help fast. (6 replies)
- Need Help on Tether kill (5 replies)
- need help!!!(please) (4 replies)
- hard to start...not anymore (17 replies)
- Valve adjusting, sparks timing key difficultys (6 replies)
- oil cooler? (31 replies)
- CRF450 into a Z frame... (4 replies)
- Best Oil for FoamType Filters?? (19 replies)
- gear's? (1 replies)
- Lonestar Bearing Carrier Question (5 replies)
- 416 Kits!!! (26 replies)
- What size sprockets are you running??? (15 replies)
- pop pop pop (4 replies)
- Different pipe for racing?? (3 replies)
- Yosh pipe jetting (5 replies)
- whats my problem? (4 replies)
- 400 carb on a 300? (2 replies)
- Jaggs oil cooler?? (8 replies)
- jetting????WHAT?? (5 replies)
- few questions with my new motor (1 replies)
- If you don't use race gas, READ THIS: (36 replies)
- What's the easiest way to fix my screw up? Broken header stud??? (10 replies)
- Air/fuel Screw Question (3 replies)
- MBRP full system (0 replies)
- How much for your 440 Kit (4 replies)
- which is the better slip-on? (33 replies)
- Left crankcase cover tourqe specs? (5 replies)
- jetting? maybe? (2 replies)
- quick jetting question (3 replies)
- a huge question (3 replies)
- 250r case assembley (2 replies)
- exhaust?? (8 replies)
- quick idling question (6 replies)
- Hard to start. (6 replies)