- My Airbox Fell out!!! (6 replies)
- new exhaust (2 replies)
- is it safe (6 replies)
- air box ? (4 replies)
- Ultimate 400 EX Pipe Comparison... (8 replies)
- Top end (6 replies)
- Axle Nut (0 replies)
- best exhaust system!!!!!!!!!!!!for 400ex (9 replies)
- Pistin (2 replies)
- 330 vs. stock 300 (3 replies)
- What jet kit should I get. (3 replies)
- unhappy with 14t (3 replies)
- I have a question about a Tri-Z 250... (3 replies)
- this will sound stupid but..... (6 replies)
- Everyone run and sell your 400ex... (13 replies)
- displacement (2 replies)
- high comp piston (2 replies)
- 400ex stock jets (1 replies)
- Full system or slip on? (3 replies)
- Oil Cooler For 300ex? (16 replies)
- 400ex carb in a 300ex (4 replies)
- Sparks Advance key?? (6 replies)
- whats this? (0 replies)
- 300ex jetting (0 replies)
- 400ex + KX125 (1 replies)
- Losen throtle - 250ex (7 replies)
- Re-jetting (3 replies)
- Compression ratio (7 replies)
- 250x Engine (0 replies)
- 416 jetting (7 replies)
- how do u get those lil pics by your name? (2 replies)
- Sprocket size on small track..... (7 replies)
- Michigan Motor Builders (6 replies)
- hey u guys will a 500 scrambler beat my friends alll stock 300ex....... (39 replies)
- Another Pipe Question.... (16 replies)
- 250x pipe (3 replies)
- oil to use with a TC 926 racing cam??? (7 replies)
- Kx125 (1 replies)
- im new at this (12 replies)
- oversize oil tank? (8 replies)
- Powerband? (25 replies)
- Quick oil line question (2 replies)
- Whats the truth about a 416 vs 440?? (5 replies)
- 250ex stock main jet (3 replies)
- Big Gun (4 replies)
- 14 tooth spocket (2 replies)
- Rfvc??? (2 replies)
- Next Performance mods...? (2 replies)
- Cams & Dyno's (3 replies)
- What pipes will work with Poweromb? (4 replies)
- Carb Trouble (0 replies)
- My air filter (16 replies)
- Full throttle? (3 replies)
- Installed new pipe.... (4 replies)
- Sleeve honeing (5 replies)
- 300ex Pipe Cutting (2 replies)
- anybody take the baffle out of their 300?? (1 replies)
- I tore my motor down, is it as good as I think? (5 replies)
- 406 or 416????? (3 replies)
- Need More Power (1 replies)
- Need info on White bros.... (2 replies)
- jetting for a 425 (1 replies)
- Cams! How they work! (12 replies)
- 2002 400ex ready for a rebuild (11 replies)
- case saver (4 replies)
- taking out the spark arrestor (3 replies)
- vavletrain (8 replies)
- port and polish (1 replies)
- blaster pilot screw (0 replies)
- Best 400ex performance mods for under $60 (7 replies)
- HMF or X6? Price or Performance? (11 replies)
- Anyone Up For A Trade?? (3 replies)
- MegaMaxII (0 replies)
- Problems Please Help!!!!!!!!! (8 replies)
- 86 and 87 250r motors (4 replies)
- front 400ex shocks (1 replies)
- Time to replace my clutch?? (3 replies)
- need quadracer parts (0 replies)
- whats better chain lube or chain wax (11 replies)
- Sproket size? (0 replies)
- Just got my new axle carrier! (3 replies)
- True or False? (11 replies)
- just wanted to know (1 replies)
- Flushing mud from engine (5 replies)
- Supertrapp vs. Yoshimura slip-on (1 replies)
- New Clutch..when?? (0 replies)
- Jet fell out (3 replies)
- Relationship of lift & duration for cam specs (3 replies)
- Port and Polish? (5 replies)
- quadracer carb problem..........please help (0 replies)
- FMF PowerCore IV (1 replies)
- Bought HP4 engine oil (please Read) (1 replies)
- Engine Oil, Which brand? (5 replies)
- Jetting?? (1 replies)
- which is better 300ex or 250x? (11 replies)
- Which pipe?? (2 replies)
- I got the jetting right! (7 replies)
- Check it out . (0 replies)
- What should I get (0 replies)
- 300ex (9 replies)
- how much power should it make? (1 replies)
- Bored 20 over? (0 replies)
- xr cam ? (5 replies)
- Where To Buy 406 Kit? (7 replies)
- New oversize Pingry Oil Tank (10 replies)
- Where can I ??? OT (0 replies)
- Hot Cams ? (2 replies)
- whats the loudest pipe for a 400ex? (29 replies)
- Trouble with the 300EX (7 replies)
- 250EX Jetting ? (1 replies)
- Attention All Who Live In Or Around Texas! (6 replies)
- 390cc big bore kit? (9 replies)
- My TC Pipe (41 replies)
- 400ex sprockets (0 replies)
- Help with Edelbrock carb (2 replies)
- Sparks advance key... (2 replies)
- 250ex Vs. 300ex....honest opinions! (32 replies)
- Back Firing...250ex (6 replies)
- 250R motor on 400ex frame (2 replies)
- snorkel (2 replies)
- Question about spark irrester? (2 replies)
- ignition timing advance? how much? (3 replies)
- pipe or shocks (2 replies)
- 300ex mods (1 replies)
- what should I get? (31 replies)
- 250EX rear end noise (15 replies)
- Jetting (18 replies)
- 250R questions?????? (2 replies)
- Holes in air box (4 replies)
- Will it make a difference?? (13 replies)
- k&n power kit (4 replies)
- installing 14t sprocket (4 replies)
- TC website??? (5 replies)
- shorten vavle guides? (3 replies)
- Is twist better? (10 replies)
- 330 bore kit (10 replies)
- spark plug color (8 replies)
- 400EX rev limiter on 300EX? (4 replies)
- HRC cam VS. web cam (9 replies)
- cam or not? (3 replies)
- Afterstock headlights? (0 replies)
- Air Filters (5 replies)
- Can an aftermarket oil cooler fit my quad? (7 replies)
- 11:1 wiseco? (2 replies)
- 250x head (5 replies)
- starter?..clicking.. (22 replies)
- 416 or 440 KIT (14 replies)
- Please help w/ my 300 (10 replies)
- Oil question (2 replies)
- Sparkplugs! (3 replies)
- i need some cheap power (2 replies)
- Rocker arms? (8 replies)
- Bore kit to bring 300ex to a true 300cc? (11 replies)
- Need Feedback. My 406 headgasket if failing already. (5 replies)
- Best Pipe For A 400EX (8 replies)
- Can't shut off with key or kill switch! Help!! (4 replies)
- Big Bore Kit for a 300EX (0 replies)
- Hetrick or Curtis Sparks (18 replies)
- Lightening Flywheel? (18 replies)
- i have some ?'s (11 replies)
- Cleaning air filter (2 replies)
- Carb keeps leaking gas out overflow!!Please help! (10 replies)
- DMC full system (0 replies)
- should i go with stronger handle bars (5 replies)
- bore cost? (7 replies)
- rear disk movement (12 replies)
- more teeth, more top? (9 replies)
- 14t sprocket (4 replies)
- Soaking your chain (5 replies)
- do you have to re-jet with after market pipe. (13 replies)
- Attn 250r Owners: Cylinder Spacer Plate? (32 replies)
- Jetting suggestions (5 replies)
- choke on 400ex (11 replies)
- E-Series, 360 degree heat sheild (2 replies)
- What else? (0 replies)
- New full system..... (0 replies)
- FYI..A PEP stabilizer will NOT fit with a pingrys oil tank!!!! (6 replies)
- my brother the stupid (0 replies)
- 18 inch rears? (14 replies)
- Sent out my engine (1 replies)
- Port and Polish?? (4 replies)
- 400ex spark plug (5 replies)
- what is the quietest pipe for 300 (4 replies)
- Big Bore Kit For 400ex (7 replies)
- hopped up 400ex oil service (1 replies)
- Counter-Shaft Sprocket....What should I do..? (9 replies)
- Anyone have LRD pipe on 400ex? (11 replies)
- drain tube?? (2 replies)
- edelbrock quicksilver (3 replies)
- Parking brake block off question?? (8 replies)
- fmf Ti4 (0 replies)
- uni-filter any problems (4 replies)
- How much more power does this give you (2 replies)
- What does taking the lid off the Airbox do???? (10 replies)
- What pipe is the best for low to mid 300ex power (10 replies)
- 300ex re-jetting (0 replies)
- Jetting problems... (3 replies)
- lean and rich ?'s fast! (12 replies)
- First Things To do to a 400 (21 replies)
- WB or Big Gun? (9 replies)
- favorite pipe (13 replies)
- favorite slip-on (6 replies)
- Need Pics oF Yoshi Head Pipe (4 replies)
- motor 416 or 440 (9 replies)
- WB E-series/250EX (5 replies)
- Leaded Octain (3 replies)
- sERIOUS qUESTION!! dO YOU THINK THAT A DPR10Z PLUG WOULD WORK? (3 replies)
- head porting (1 replies)
- faster or not (7 replies)
- Pipe For 300ex (4 replies)
- turbo kit (1 replies)
- Hinson Clutch Basket (2 replies)
- 250EX Question (1 replies)
- where should i start (4 replies)
- 300EX Skipping Neutral (19 replies)
- 86 250r motor in 2001 400ex (1 replies)
- Things to look for when buying a 250R (6 replies)
- jetting question (1 replies)
- jetting the carb (0 replies)
- New Carb?? (1 replies)
- 310 kit??? (1 replies)
- 440 kit (6 replies)
- 11:1 From Wiseco (12 replies)
- first 300ex mods (1 replies)
- no baffle (4 replies)
- MY brand new 250r,didn't even go 10 feet... (19 replies)
- 440 kits (0 replies)
- Possible Crack (2 replies)
- which 1 (1 replies)
- Which pipe? Jetting problems, Should I get a CDI box, What is grinding headers do? (5 replies)
- what pipe? (2 replies)
- Help!!! Fast!!! (2 replies)
- new header pipe? (54 replies)
- 250EX Engine runs rough (6 replies)
- front sprocket for 400ex (5 replies)
- another R jetting question (1 replies)
- What is going on? (0 replies)
- 300 piston (0 replies)
- Couple 38mm AS questions. (2 stroke) (1 replies)
- 416 setup (15 replies)
- low end and top end cams (1 replies)
- 250ex pictures (0 replies)
- 400EX horsepower (11 replies)
- Bills or WB E series Pro Meg? (5 replies)
- 416 was dead, 426 heat problem?? (4 replies)
- i blew up my 250R :( (5 replies)
- Mechanical or Operator problem? (3 replies)
- where to buy and how much for a 300ex rev box (4 replies)
- Best pipe for 300 (30 replies)
- '89 250r carb.....anyone? (2 replies)