ATV Powertrain [Archive] - Page 128

WB Rev Limiter or Stock w/ Mods? (6 replies)
which should i buy? (50 replies)
pulling more power out of a stock 400ex (7 replies)
jetting w/ race fuel (3 replies)
banshee,raptor,400ex or cannondale (25 replies)
Rod Failure! (11 replies)
Seriously need strong advise on 14t Sprocket (18 replies)
clutch!!! (16 replies)
unusual jetting question. (8 replies)
Sparks Pipe and the FCR Carb?? (15 replies)
400ex isnt indestructible ( $$$ race) (19 replies)
Eldersburg (1 replies)
low end (5 replies)
Axle Nut (14 replies)
main jet (1 replies)
LRD Pipes?? (9 replies)
250R compression (11 replies)
tools (8 replies)
390 kit (3 replies)
300 in the cold (3 replies)
glamis db (2 replies)
Sprocket help !? (3 replies)
11:1 comp (1 replies)
white bros e-series (5 replies)
race plastic (1 replies)
anybody running an Edelbrock carb on alcohol (0 replies)
Project: JUMP! (15 replies)
what do ya think of my quad? (14 replies)
440ex (1 replies)
250r (2 replies)
Yoshimura Pipe Question???? (15 replies)
Got the 416 broke in......Have a few problems? (20 replies)
Richen mixture without jetting? (1 replies)
street legal (1 replies)
40 pilot jet, thank you! (0 replies)
spark plug jetting test?? (1 replies)
modify the stock rev-limiter??? (2 replies)
Best top end/over all pipe for 400EX (2 replies)
Curtis Sparks (1 replies)
300ex tips (5 replies)
pipe sounds (9 replies)
reverse for 400ex? (18 replies)
300ex Problem (3 replies)
14 tooth or 16 tooth (1 replies)
Air Box Vent Locations? (2 replies)
????????? (1 replies)
300ex or moded 250x or a 400ex (2 replies)
Hesistation while goosing the throttle (9 replies)
416 kit...gotta have a pipe?? (2 replies)
14 tooth front sprocket (11 replies)
jetting is it worth the money (9 replies)
Racing Pipes (94 replies)
Replacing stock Battery (1 replies)
Sprockets (0 replies)
Dead 400 (7 replies)
Stroker Crank? (3 replies)
K&n Jet Kit! (10 replies)
airflow (4 replies)
auto meter speedometers! (1 replies)
400ex riders need some tips (12 replies)
best big bore kit for 400ex (5 replies)
seth enslow (2 replies)
Hondas new Quad is 750EX. Opt. turbo too. (9 replies)
Fat Boy 4 ? (0 replies)
250ex,blaster,trailblazer or mojave (31 replies)
300EX making RATTLING noises (6 replies)
muzzy pipe (6 replies)
Best low mid pipe for 400ex??? (13 replies)
New Battery (0 replies)
Motor making really funny noise..... (0 replies)
oil cooler info! (1 replies)
Red Hot Pipes? (18 replies)
Edelbrock! (6 replies)
airbox (17 replies)
octane booster (4 replies)
horsepower! (7 replies)
Smoking 416 (11 replies)
End Caps for Yoshimura exhaust? (3 replies)
Best Way To Pull Motor Out Of 400ex ???? (7 replies)
I need TRANNY HELP!! (3 replies)
Best Engine Builder (28 replies)
Who all is going on the ride at the LBL in Kentucky (0 replies)
Quick Fix (8 replies)
A few 250x Questions (1 replies)
Rocker arm torque (0 replies)
Nt Sure what to do???? PIPEs (10 replies)
Leaking Oil. I need help! (2 replies)
Anybody know about a bore kit (5 replies)
What size is the stock carb (2 replies)
Chain popping problems.Please help me!! (1 replies)
chain lubing? (20 replies)
big bore kits (4 replies)
400ex Valve Cover torque specs?? (4 replies)
250exers i need your help (5 replies)
new 400 (3 replies)
Spark plug ## (3 replies)
Big Gun Jetting (28 replies)
Sprockets???? (20 replies)
300ex nuetral/starter problems??? (2 replies)
Other mods or big bore kit? (3 replies)
need 250x help!!! asap (0 replies)
400ex Flywheel?? (5 replies)
y remove choke? (5 replies)
440ex (6 replies)
Great service from pro-fab atv... (10 replies)
Duncan 440 Kit (5 replies)
Why? (6 replies)
whats the ideal gearing? (5 replies)
Too Rich? (5 replies)
How may people have had rod failures? Read this post! (3 replies)
Help! my 440 needs help (3 replies)
? about 416 kit and cam (3 replies)
406 piston? (1 replies)
Sopeedometers (1 replies)
big bore kits (1 replies)
CT 400 Advance key (4 replies)
please help vavle adjustment gone wrong. (2 replies)
fmf powercore-4 (10 replies)
465 kit? (7 replies)
case saver (6 replies)
Anyone hear of FASTWAY??!? (0 replies)
Whats the fastest you can get a 300EX to go? (1 replies)
Piston Coating? (5 replies)
Modified airbox lids..???? (39 replies)
Plug Wire bypass (0 replies)
best exhaust for a 300ex (0 replies)
2001 300ex forsale cheap (0 replies)
416..440...these Got Me Confused!! (11 replies)
Cylinder question? (2 replies)
450 Pro fab (2 replies)
600 CBR into a 250X frame (8 replies)
sprocket problems! (1 replies)
HMF slip-on results (19 replies)
Gusseting frame-please help (7 replies)
How to start your 400 in the cold! (7 replies)
Dynojet kit ????s (1 replies)
reenforced frame (4 replies)
Carb boring (5 replies)
Where to buy 16t front sprocket? (5 replies)
Stock Head-Pipe (2 replies)
What do u mean????? (1 replies)
416,440,465,505 poll (11 replies)
2000 HONDA 300EX for SALE! (0 replies)
Keep 400ex or sell and buy Raptor (9 replies)
Engine probs. , Please Help. (4 replies)
Jetting! (0 replies)
Dirtwheels Mag 750ex (8 replies)
Jetting Question (4 replies)
best pipe/silencer for 250r? need help. (4 replies)
REF hard facing rockers (0 replies)
PIPE HYPE Which is really the best (5 replies)
still burning oil (11 replies)
alignment on a 400 (3 replies)
400ex or sell for banshee (5 replies)
WB E-Series Disc......? (0 replies)
How do i replace a needle valve and seat? (1 replies)
Dry Sump design flaw? (23 replies)
any one EVer see or put a 400ex motor n a 250R (3 replies)
Pilot Jet vs. Air Temp. (2 replies)
Another pipe Question (2 replies)
400EX stock pipe on 300EX (4 replies)
WB-s-bend (11 replies)
race gas in 440? (3 replies)
Whats the STock Horse power for a 400ex (3 replies)
250ex spark arrestor (0 replies)
Do Jet-Kits & Air box Mods Work? (13 replies)
questions about 440kit (16 replies)
Air scoops 400ex (1 replies)
Clutch Adjustment (1 replies)
Ticking valves/help ASAP (12 replies)
How do you know your jetted (12 replies)
Which piston to go with.... (5 replies)
sputters at top of each gear (4 replies)
FMF MegaMaxII vs. others???? (9 replies)
Adjusting Valves on 400ex (5 replies)
Valve Clearance issues (0 replies)
440ex (1 replies)
hesitation (2 replies)
XR cam for my EX (2 replies)
4-stroke top end assembly (0 replies)
proper four stroke break in tech (7 replies)
Which needle setting? (2 replies)
curtis sparks pipes (11 replies)
400ex cooling (12 replies)
Carb Help (0 replies)
Oil leak? (1 replies)
oil cap screw is stripped (2 replies)
Throttle Adjustment (3 replies)
Just curious about the 400ex HMF (12 replies)
12:1 piston (1 replies)
Exhaust Temp for a dialed in EX? (0 replies)
hard shifting (1 replies)
white brothers e-series-s-bend pipe (1 replies)
Snorkel (0 replies)
Stator and flywheel (1 replies)
Big Smile!!! (1 replies)
WB Brother Disc...&.....What size sprockets. (4 replies)
16 tooth...how much more mph? (2 replies)
Jetting issue again..... (15 replies)
Dumb Question!!! (3 replies)
Exhaust=too much noise! HELP! (1 replies)
Exhaust for my 472..? (18 replies)
leaking oil from head..... (0 replies)
Help A.s.a.p. (7 replies)
connecting rod bottom bearing (0 replies)
How many WB discs on stock 400? (6 replies)
300ex crank case (15 replies)
Advance key with 416? (1 replies)
miss at 1/4 throttle (4 replies)
Put the Yoshimura on tonite (0 replies)
Smaller Gaskets to Boost Compression? (2 replies)
hesitates when hitting the throttle (3 replies)
NEED HELP REJETTING CARB! for pipe (2 replies)
Cr500 In A Quad (5 replies)
fuel what do u run? (10 replies)
I GOT THE 400Ex (12 replies)
300ex (0 replies)
soop the 300 or sell? (15 replies)
Power? (12 replies)
Breaking in the 416.....Smoking (24 replies)
FCR Help, Please......Fuel Screws (1 replies)
Who's got a 422 or 425? Need some opinions. (2 replies)
CT Racing Pipe (11 replies)
Oil Filter Cover Screw??? (6 replies)
Cam Question (1 replies)
300ex Engine Problems (8 replies)
Any mechanics in here? I am stumped! (1 replies)
Common quetsion: Jetting on 300ex help (2 replies)
400ex cam? (2 replies)
How to tighten chain on 300ex?? Please help fast!!!! (1 replies)
Motor noise on my 400ex HELP! (6 replies)
Brake Blockoff/ New Clutch Lever (8 replies)
Top End Speed (11 replies)
XR400 cam install going bad.... (4 replies)
416 kit - Head Gasket? (5 replies)
quad will only start in neutral (3 replies)
XR or EX cam, whats the difference? (2 replies)
Ims Fuel Tanks (0 replies)
removed baffle and end cap vs. e-series? (4 replies)
packing a silencer (9 replies)
Moding a stock exhaust (1 replies)
Airbox Eliminator Kit-Please help (5 replies)
Carbuereter backfires on "de-accelleration" (6 replies)
10.8:1 - what octane do you run? (7 replies)
sprockets! (3 replies)
White bros headpipe. (6 replies)
300ex mods? (4 replies)
honda 450 motor (3 replies)
timin chain? (0 replies)
450R info (0 replies)