- 14 tooth compaired to 15 tooth (17 replies)
- high compression (0 replies)
- need help!! 2 stroke fouling plug (5 replies)
- torquing bolts down on 400ex (5 replies)
- clutch help (1 replies)
- thumb vs twist?? (3 replies)
- best exhaust for 400ex (21 replies)
- main jet/pilot jet size for new 416 motor?? (3 replies)
- what are these? pics of them here have to do with jets? can u identify them? please (17 replies)
- FST oil cooler for 300 (2 replies)
- HMF vs. other pipes (0 replies)
- top dead center (11 replies)
- 400ex valve wobble spec. (2 replies)
- carb (3 replies)
- jetting question for a 39 mm carb and kand n air filter. what size. please!!!!!!!!! (0 replies)
- white bros end cap!?!? (3 replies)
- Snorkle Removal (2 replies)
- Twist throttle? (5 replies)
- 250r??? (1 replies)
- Diffrance Between DOHC and SOHC (12 replies)
- 250ex clutch.....bad? (3 replies)
- blown gasket (9 replies)
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- 440 ex kit dyno charts (22 replies)
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- 440 more ooomph wanted (3 replies)
- Just bought a T4 how should I adjust the air/fuel screw for the 250EX? (4 replies)
- Question About Packing in your exhasut? (10 replies)
- Stage 1 compared to Stage 2 (9 replies)
- Cams..... (13 replies)
- Air/fuel screw (1 replies)
- Modifying stock silencer? (8 replies)
- Losing power Part 2:getting oil in intake (27 replies)
- FDO motors (14 replies)
- valve guide problems (1 replies)
- No powervalves (3 replies)
- Got my 400ex.......Kill switch (tether doesn't work) (8 replies)
- 1/2 a Link in Chain? (6 replies)
- Z400 motor in a 400EX (14 replies)
- Cracked my case, What are my options? (11 replies)
- Chain (1 replies)
- 416 or stock bore... (7 replies)
- i'm confused on this... someone explain (4 replies)
- Whats the actual rev limit on the 400ex? (9 replies)
- Carb Problem! Please help! (2 replies)
- fcr air screw (1 replies)
- Brass plate on carb....? aftermarket? (1 replies)
- lrd or sparks (32 replies)
- need a picture 250x topend (4 replies)
- megacycle... (16 replies)
- Hondsaki or Yamasaki :) (1 replies)
- 14/36 Gearing Combo Question (17 replies)
- I Need Help!!!!!!!! (1 replies)
- Best Chain Lube? (14 replies)
- Best Chain? (16 replies)
- HMF customer service (6 replies)
- smoking (2 replies)
- Burning oil, what seals do I check? (0 replies)
- 18 inch tires what gearing? (3 replies)
- 300ex jets in a 400ex (3 replies)
- Carb Cleaning (1 replies)
- enging missing at 1/4 throttle??? (2 replies)
- Edelbrock Quicksilver carb (4 replies)
- Engine Builders...Engine Builders??? (15 replies)
- N E 1 using Sparks ignition advance key ? (20 replies)
- Sorry (1 replies)
- i know this is the wrong place to ask but... (7 replies)
- got the 39 mm carb today will it make..... (5 replies)
- Need Help About Nerfs (2 replies)
- Cleaning the chain.... (9 replies)
- rear bearing housing trouble (7 replies)
- My YZF400ex coversion custom tank (7 replies)
- pro wedge and 4 snow tires (8 replies)
- Stroker motor (13 replies)
- Just wandering... (4 replies)
- 350x vs 250r (1 replies)
- 36t rear sprocket general question.. PLEASE HELP (9 replies)
- '86 250r (7 replies)
- Guys with 250X/300ex's but have a 400ex carb i have questions (3 replies)
- 1988 TRX 250 w/ no spark (2 replies)
- water sucks (2 replies)
- 11 to 1 wiseco (0 replies)
- Best Bottom-end pipe ( I know) (22 replies)
- Golden West Cycle Stage III ????? (9 replies)
- Motor loses power (29 replies)
- Problem with stock rev limiter (9 replies)
- jetting (3 replies)
- 250x hotcam? (1 replies)
- Got 300 bucks to waste (22 replies)
- rev limiters (5 replies)
- jetting a 300ex with full cobra jet exhaust (1 replies)
- how good is this? (6 replies)
- Vibrations (14 replies)
- Hotcam stage1 owners (5 replies)
- 4-snow and pro wedge tires (0 replies)
- 440ex cam? gasket problems AGAIN!!!! (17 replies)
- hmf exhaust (4 replies)
- Problems (2 replies)
- 350x CDI (1 replies)
- oil pump (2 replies)
- hmf slip onn?? questions (14 replies)
- Air Filters & Air Box Lids (3 replies)
- Good Exhaust for 250EX? Help! (20 replies)
- Rear Axle Bearings (3 replies)
- 300ex jetting (4 replies)
- bolt question (0 replies)
- air box (2 replies)
- My New Scoops (15 replies)
- holes in airbox (28 replies)
- engine brackets (5 replies)
- New IDS2 today (2 replies)
- magnetic drain plug?? (9 replies)
- How much longer!!!??? (10 replies)
- the 440 kit (8 replies)
- whats the difference? (4 replies)
- exhaust systems (14 replies)
- rev box for 300ex (4 replies)
- New clutch instalation? (6 replies)
- What is an antifade nut or hub? (2 replies)
- Carb Tubes Anyone? (3 replies)
- white bros exhaust (11 replies)
- Hindle Racing (3 replies)
- What kind of oil? (4 replies)
- powervalve?? (4 replies)
- Flywheel removal (6 replies)
- Add drain holes to aluminum airbox? (5 replies)
- horsey's (4 replies)
- powerbomb + slip on (3 replies)
- 416 No Top End!! (12 replies)
- Clutch problem solved!!!! (2 replies)
- torque specs (1 replies)
- Please Help If You Can (2 replies)
- Ugly...dont look. (17 replies)
- jetting ?s (1 replies)
- looking for a starter (0 replies)
- important!!!! 400ex question (6 replies)
- power bong (6 replies)
- chain keeps getting loose (3 replies)
- edelbrock throttle problem (18 replies)
- Outerwear Vs. EHS Lid any less air going in? (2 replies)
- Tough Decision (22 replies)
- # of For DIrt Only (1 replies)
- Sunk the 400... Now what? (3 replies)
- crf electric start (5 replies)
- YZF426 Questions?? (7 replies)
- crazy clutch problem (1 replies)
- mechanics out there? (5 replies)
- 330 250r (22 replies)
- mickey dunlap (24 replies)
- 350X Oil Cooler (3 replies)
- 400's tired (3 replies)
- Type/Size of Spark Plug? (14 replies)
- Motorex. Does anyone use this stuff? (7 replies)
- Anybody with a xr400 cam? (7 replies)
- 300ex (another Jetting ?) (12 replies)
- gas problem with 250x (1 replies)
- Jetting at sea level (1 replies)
- head porting and fuel consumption??? (6 replies)
- 350X engine 250X carb jet or get a new one (2 replies)
- what gearing? (1 replies)
- jetting question (3 replies)
- Question for all you 250X/300EX gurus (7 replies)
- Spark Arrestor (3 replies)
- What Jet (2 replies)
- it dies (7 replies)
- Jetting? (1 replies)
- 300EX HP numbers (0 replies)
- Bogging Problem? (3 replies)
- Starting Problems (6 replies)
- gas just flows out!!!!!!!!!!!!!!!!!!!!!!!!! (18 replies)
- wuts up with the link to fibe-industries web site. (1 replies)
- 400ex won't stay running....help!!! (3 replies)
- fastest 400ex motor (21 replies)
- Aftermarket Exhaust Sounds (12 replies)
- Aftermarket Case savers! (5 replies)
- anyone know whats wrong..? (7 replies)
- 300 bore? (5 replies)
- Chain adjustment (4 replies)
- Adjust my valves? (3 replies)
- should i bore it??? (3 replies)
- ?'s about engine kit (14 replies)
- Sprocket and tire size (1 replies)
- all this work and ? (7 replies)
- Pic of a cut snorkel request (0 replies)
- Bosch +4 Platinum Spark Plugs Question (1 replies)
- 440 question (2 replies)
- 300ex question (5 replies)
- axle is loose??? (15 replies)
- New starter button for 400ex? (7 replies)
- valves (2 replies)
- Anyone Use Octane Booster ? (13 replies)
- 440kit help (1 replies)
- Whats involved with running alky? (5 replies)
- few questions. 300 motor. (3 replies)
- opions on a lrd pipe for 400ex (5 replies)
- What to do for more power!!! (4 replies)
- wow (1 replies)
- E-Series Pro-Meg or R-4 Pro-Meg? (7 replies)
- to hot (14 replies)
- blaster (18 replies)
- Got some goodies! (3 replies)
- K&N Powerlid (11 replies)
- Backfire (9 replies)
- 41mm fcr what jets (4 replies)
- Pics of my RPM Axle!! (9 replies)
- trinity (0 replies)
- Head gasket troubles, I THINK...help (3 replies)
- Is this what you call a "shorty"?? (16 replies)
- 400ex carb fit on 350x?? (15 replies)
- how to 416? (9 replies)
- exhaust (0 replies)
- bogging problm (8 replies)
- what size is a 300ex chain? (5 replies)
- choke disassembly (8 replies)
- 38mm flatside carb on 400 (5 replies)
- vroom vroom (2 replies)
- choke removed and silemcer cut. (0 replies)
- Twin air filters (6 replies)
- Blue smoke on start (1 replies)
- no oil around cam (9 replies)
- ..yz250 TRI-Z (0 replies)
- Extremely hard to find NEUTRAL!?!?!? (5 replies)
- how much break in? (13 replies)
- advanced keyway (1 replies)
- 416 and 100LL gas (5 replies)
- Anyone running a #17 needle in their Edelbrock (1 replies)
- I Need Help With My R (1 replies)
- carb? (2 replies)
- header coatings ?? (8 replies)
- 87 vs 93 octane (12 replies)
- 3 vs. 7 ?? (2 replies)
- hydraulic clutch (14 replies)
- 250ex carb float bowl "buffer" (5 replies)
- Hot Wire (1 replies)
- COMPLETE 440 kit on ebay + Cam (3 replies)
- 400ex Biggun full exhaust install (1 replies)
- HONDA RELATED... Kinda OT PLEASE HELP (1 replies)
- 250R Will not stay running (15 replies)
- anyone had clutch cable prod w/lrd pipe (2 replies)
- valve seals?? (3 replies)
- 250r aftermarket exhuast dynos (0 replies)
- Will this mess up anything? (0 replies)
- All you pros: need some cooler input (6 replies)
- Hmf (16 replies)
- clutch (0 replies)
- harder to turn on with no lid? (2 replies)
- Trouble Stayin Runnin! PLZ HELP!! (10 replies)
- Honda 440 kit needs!!!!! (18 replies)
- Heat Tape (13 replies)
- Polished E-series (3 replies)