- Cylinder head cover bolts (12 replies)
- Accelerator pump (1 replies)
- socket size, remove spark plug (12 replies)
- pipes (3 replies)
- making yoshimura pipe quiet (4 replies)
- :'( (19 replies)
- pistons for the 416 (8 replies)
- Supertrapp customer service?? (2 replies)
- adjusting valves??????????? (17 replies)
- 38 or 39mm carb for 440ex (7 replies)
- most hp out of without boring or stroking (12 replies)
- Breaking in my new rebuilt engine. (7 replies)
- Buying/making larger stock oil radiator??? (15 replies)
- Custom Oil Cooler (12 replies)
- How Do You Spell Edelbrock Carb? (8 replies)
- got a problem and i think a solution... jes help! (0 replies)
- need help (2 replies)
- mixing oils???? (3 replies)
- Cr 80 (2 replies)
- What should i d o sell or keep 300 (6 replies)
- little bogging after jet kit (2 replies)
- DB levels for a big gun (3 replies)
- Pipes affect engine life? (8 replies)
- what jet kit for a big gun and k&n?????? (8 replies)
- Engine noises (3 replies)
- shaved fenders w/ scoops ??? (5 replies)
- Is Hotcam's worth the $? (22 replies)
- What Else 2 Run? (9 replies)
- Which Do You Think Is The Fastest? (7 replies)
- 250R how many horses? (12 replies)
- Messed with carb. (11 replies)
- New CRF450's from Servicehonda (3 replies)
- Info on the CT (1 replies)
- proof for air filters (10 replies)
- Boost bottle (6 replies)
- How many links on the stock 400ex? (1 replies)
- Help needed..... (1 replies)
- My Renathal Rear sprocket has split!!!!!!! (15 replies)
- oil leak (0 replies)
- oil leak from sprocket and shifter (11 replies)
- how to spend money (21 replies)
- air box lids (3 replies)
- HMF quiet core (10 replies)
- E Series Shorty (14 replies)
- 250R pipe removal. HELP FAST (4 replies)
- pipe change (4 replies)
- HMF silencer on 300ex (8 replies)
- would this work temporarily? (6 replies)
- 350x vs. 330ex (4 replies)
- Lrd pipe Question (1 replies)
- Nerf Bars (7 replies)
- slip on exaust (3 replies)
- Holy schiz! It's the Barry White exhaust! (0 replies)
- Transmission woes (1 replies)
- Engine Problems... (2 replies)
- jet kit (4 replies)
- Bad tank of gas (1 replies)
- exaust leak (2 replies)
- pipes (1 replies)
- striped drain plug (2 replies)
- dynojets vs bigger main jet (5 replies)
- Something I have always wondered (2 replies)
- simple question (0 replies)
- just a simple Q (5 replies)
- 310 and 313 (7 replies)
- Different Pipe Question (4 replies)
- piston slop?? help!! (4 replies)
- which pipe? (6 replies)
- 440 stroker? (11 replies)
- Yet aother Hotcams problem!!! (85 replies)
- Can I mod my stock 400ex pipe for real power ? (3 replies)
- dmc exhaust (4 replies)
- PC T-4 or SuperTrap Slip-on (4 replies)
- broken DMC choices? (4 replies)
- another stupid question (2 replies)
- 10:1 or 11:1????? (5 replies)
- new trx engine (6 replies)
- supertrapp ids any good? (9 replies)
- FCR 39mm carb (3 replies)
- LRD Pipe (24 replies)
- engine cutting out, need help! (5 replies)
- i know dont get mad another jetting question for 39mm carb. (1 replies)
- broken 2nd gear (23 replies)
- 416 vs. 440 (31 replies)
- Putting lid on after jetting for no lid (4 replies)
- Twist Throttle (6 replies)
- EGT, worth it? (4 replies)
- how to change the disks (11 replies)
- Tired 02 400ex (18 replies)
- Need motor job (1 replies)
- My best mod (5 replies)
- Show me Pictures of your RPM Dominator Axle!!! (13 replies)
- piped 300ex VS. stock YZ125 (16 replies)
- Anyone has pics of a 400ex motor in a 250x/ 300ex? (2 replies)
- 42 pilot jet (7 replies)
- cam degree (4 replies)
- Top End Rebuild! Suggestions or Tips please? (5 replies)
- almost got the jetting right pleassse help (4 replies)
- FCR fuel screw (1 replies)
- fried starter solenoid??? (12 replies)
- Im soooooo MAD!!!!! (12 replies)
- white bros help quick! (2 replies)
- hot cams prices... (1 replies)
- Aftermarket clutch (5 replies)
- Clutch Spring Torque specs ASAP please!!!!!!!! (9 replies)
- my 416 through a rod (1 replies)
- 300ex wont start (7 replies)
- 300ex rocker cover on..... (1 replies)
- welded sprocket (13 replies)
- 400ex w/FCR39 feels like a 2 stroke (9 replies)
- 400ex no spark (2 replies)
- is my axle in all the way (1 replies)
- Crf450 (3 replies)
- Wheres my nutral?? Oh there it is, between 3rd and 4th!?!?! (4 replies)
- Which pipe CT or T-4???? (5 replies)
- Motor Cracked... Help (7 replies)
- Hotcam? (9 replies)
- Alumi Air Box... (5 replies)
- motor options (2 replies)
- 440 Oil Temp........ (0 replies)
- carb mount filter (3 replies)
- 250x jet troubles (0 replies)
- 400ex motor kit?416,440..etc (16 replies)
- drive shaft (2 replies)
- need a website.... (3 replies)
- Check out my YZF conversion tank made by CFM (12 replies)
- Jetting ?'s on the 400 (3 replies)
- Hard to Find Neutral (8 replies)
- FCR with thumb? (8 replies)
- E-series Bolt Question..help Please! (15 replies)
- Pressing on the cam gear flange (5 replies)
- Fuel Mixture screw (1 replies)
- 400ex batteries, how long to they last? (14 replies)
- Rad axle lock nut (1 replies)
- Big Gun (7 replies)
- Do your FCR 39's floatbowls run out of gas on wheelies? (12 replies)
- engine rebuild (6 replies)
- I need jetting advice!!!! (1 replies)
- HELP 400ex clutch problems (0 replies)
- 426 or 440? are there any inbetween (3 replies)
- K&N kit (1 replies)
- LRD vs. White Bros or anyone..... (36 replies)
- 300ex reverse gears (9 replies)
- HELP!!! Need to buy sprokets and chain but don't know.... (12 replies)
- grinding header welds (4 replies)
- FMF titanium4 ? (2 replies)
- Head gasket on 440 (2 replies)
- air fuel mixture screw? (6 replies)
- You guys like the IMS 440? (5 replies)
- any 400's with 18" rear tires running with a 14t front sprocket (10 replies)
- 8 Plate Clutch (11 replies)
- transmission fluid (3 replies)
- sorry guys...got a jetting question (10 replies)
- R not holding radiator fluid (2 replies)
- rattiling noise coming from the right? (6 replies)
- CRF 450 motor ?'s (5 replies)
- boging in the top end? (5 replies)
- 38mm with a 440 kit is it good? (1 replies)
- pro circuit t4 jetting? (9 replies)
- where can i get a crank rebuilt in the cincinnati-dayton area? (2 replies)
- Looking for a head gasket (1 replies)
- what to use to clean this? (4 replies)
- Neutral problem (2 replies)
- Main Jet (8 replies)
- where are the air fuel screws on a 250ex? (10 replies)
- Hper star rims (2 replies)
- 440EX -VS-CRF450 Motors (6 replies)
- Lone Star vs Durablue (9 replies)
- Which is better 440, 416 kit. (3 replies)
- big gun pipe (1 replies)
- Silent Sport Packing (10 replies)
- 250 r question (11 replies)
- Honda Rep (0 replies)
- DID o-ring chain help.... (6 replies)
- WB silencer fit my DG header? (1 replies)
- Ordering EHS Lid but had a question (1 replies)
- Camshaft? Which One? (5 replies)
- Help on Fine Tuning my 2003 400 ex (4 replies)
- Broke bolt off on header (2 replies)
- how much? is it reliable? any names of where to get it? (5 replies)
- Whats the best battery (17 replies)
- is 200 psi too much on a 440 engine (7 replies)
- Whats the compression for my engine??????? (1 replies)
- Burning Oil (4 replies)
- No oil Plz help!!! (7 replies)
- 250r topend quality? (6 replies)
- Filter--can't decide! (5 replies)
- Chain types? (5 replies)
- 93 pump gas? (3 replies)
- can't get ex started (30 replies)
- Is my 400 jetted correctly? (2 replies)
- .. (1 replies)
- PLZ help (21 replies)
- 2000 400ex noise at speed (8 replies)
- broken gears??? (5 replies)
- Do scoops make a big difference, what are the advantages? (6 replies)
- starting in gear (4 replies)
- Big Gun Rev kit (5 replies)
- Torco oil (0 replies)
- Exhaust (15 replies)
- Is it ok?? (7 replies)
- 416 gettin built (10 replies)
- FMF Powercore 4 jetting (18 replies)
- FMF Powercore 4 db output (2 replies)
- Any opinions on this oil cooler setup? (41 replies)
- Picked up an 86 R motor today (4 replies)
- FMF Powerbomb header w/other pipes (3 replies)
- which exhaust for 400EX? (38 replies)
- White Smoke (4 replies)
- Tell me what you think (3 replies)
- locked up!!!!!!!! (14 replies)
- Does Anyone have a Hydraulic clutch on their wheeler????????? (2 replies)
- jetting (4 replies)
- Ok heres your chance (6 replies)
- Wat is the clutch switch 4 ? (15 replies)
- keep blowing head gaskets !!! (8 replies)
- 250r kit (2 replies)
- roll carrier (1 replies)
- best roll carrier (0 replies)
- New Guy (13 replies)
- Auto-Clutch help please!! (1 replies)
- power tech 4 (0 replies)
- 400ex idle (4 replies)
- 440 kit??? (8 replies)
- left side case stuck!! (5 replies)
- 300EX Engine Rebuild Question!!! (4 replies)
- Oil Leaking Help!!! (7 replies)
- fuel question (3 replies)
- Best Pipe (5 replies)
- Finished installing WB E series and Dynojet jet kit, now bike idles way to high? (3 replies)
- ROSS vs. JE (10 replies)
- Electrical tubing; could this cause a problem? (7 replies)
- running really hot (9 replies)
- big gun exhaust problem (4 replies)
- Any problems if I install my pipe without jet kit? (7 replies)
- Grey OIL! (5 replies)
- bad gas.. does your quad really hate it too (3 replies)
- Right Engine Case Installation? (5 replies)
- FDO Racing motors (15 replies)
- Best size rim for a 400EX (4 replies)
- 250x problem (5 replies)
- What is the point of a snorkel block-off? (16 replies)
- Clutch Problems (3 replies)
- engine cutting out..HELP (4 replies)
- first gear slipping (3 replies)
- Gas/Oil mix? (2 replies)
- packing? (3 replies)
- Count your chain links. (1 replies)
- Jetting Guide.......................... Contribute HERE! (5 replies)
- procircuit t-4 for sale (1 replies)