ATV Powertrain [Archive] - Page 119

Reason for Valve Adjustment (11 replies)
Just Got My 400ex (4 replies)
T-4 Jetting Help... (14 replies)
300ex Carb Changes (2 replies)
22-12.5-9 rub (8 replies)
300ex Carb Changes (0 replies)
Should I switch???? (1 replies)
300ex idle prob. (5 replies)
jets??? (2 replies)
Starting problum (2 replies)
Pipes (7 replies)
carbs (2 replies)
300ex question (9 replies)
What is the best exhaust for racing? (14 replies)
reverse problem (2 replies)
yamaha, but still need help (4 replies)
Um.... (10 replies)
Hinson clutch basket (0 replies)
Homemade Alum. Airbox?? (1 replies)
400ex vs. Z400 (9 replies)
Exhaust slip-ons (27 replies)
what is the best sprocket setup for top speed? (3 replies)
Sprocket question (2 replies)
Big Bore Installation (2 replies)
Carb/Over flow Problems (7 replies)
wb rev box???? (20 replies)
300ex help (3 replies)
removing reverse lever and p. brake (2 replies)
Xr600 Swap To 400ex (20 replies)
K&n (7 replies)
top end rebuild????????? (1 replies)
440 kit..how much hp? (24 replies)
350X Engine Mounts (1 replies)
Clutch lever ? (1 replies)
marcums 416 installed (4 replies)
Do i rejet with the HMF slip on? Does anyone have pictuers and is it a good pipe (15 replies)
sparks advance key ,416,hotcam stage 2 (0 replies)
Valve Springs ? (6 replies)
Honda African Twin 750 (9 replies)
clutch perch/lever (8 replies)
white bros. pro meg discs (1 replies)
clutch perch (0 replies)
New at this...help me out....... (10 replies)
Gas Additives (4 replies)
jetting for air box mods (1 replies)
Chain questions? (4 replies)
Hetrick racing pie (4 replies)
compression good or maybe not so good (0 replies)
For all the FCR39mm carb owners (42 replies)
Q.R.N. 250x & 300ex mounts the same? (2 replies)
snaped a jet need help fast (11 replies)
39 Fcr (2 replies)
oil temperature (6 replies)
How does this sound.......... (3 replies)
skipping??? (5 replies)
What does this do? How much? (3 replies)
First time 300EX engine rebuild....... (0 replies)
hot cams stage 1 or 2 (14 replies)
back-up kick start (22 replies)
looking for new ride (0 replies)
Drowned my quad!!!!! PLEAASE HELP! (5 replies)
My Clutch (0 replies)
white bros. rev kit for 400ex (1 replies)
400ex FMF megamaxII exhaust question. (1 replies)
Should i get the HMF slip on pipe? Please help! (7 replies)
motor work? (6 replies)
350x problem (2 replies)
problem with lifter pin (0 replies)
doug gust's supertrapp silencer? (1 replies)
Sweet carb mod (16 replies)
cam timing (3 replies)
Output Shaft problem? (1 replies)
Tripple Angle Valve Job? (3 replies)
Power Delay (5 replies)
Drown my 400 (3 replies)
whats goin on (1 replies)
need advice!!!!!!! (4 replies)
FST 330 big bore kit??? (1 replies)
should i use a 155 or a 160 main jet? (3 replies)
How Many Disc E-Series??? (3 replies)
WB Pro Meg jetting (3 replies)
Hmf slip on?? (0 replies)
BIG probs. with the rear!!! (1 replies)
W/B or Big gun (30 replies)
Headpipe's (0 replies)
fst oil cooler pic's (4 replies)
replacement oil cooler/res. (12 replies)
decompression question (for a 250x precisly) (2 replies)
The Best Mod For High Hp Quads!! (12 replies)
16t front or 36t rear sprocket descision. (3 replies)
Sprocket Question (3 replies)
t-4, powercore,e-series? (14 replies)
what does raising the needle do? (2 replies)
ticking sound (5 replies)
Bigger than a 170 main on a 400ex?? (11 replies)
is it too lean? (1 replies)
keihin pilot jets (2 replies)
440cc Improvement? (4 replies)
Has anybody seen this thing? (4 replies)
Digital temp guage (0 replies)
eng. temp gauge? (4 replies)
Help with Results of WB cam (0 replies)
clutch plates (3 replies)
Ordering pro circuit T4 slipon tomorrow unless anyone says something... (8 replies)
How to Calculate CC's? (7 replies)
Trick chain guide (3 replies)
Need some help with mods (8 replies)
main jet and pilliot? (1 replies)
installing new throttle cable (3 replies)
clutch slippering problem (22 replies)
how to brake her in (13 replies)
What slip on produces most power!!!! (7 replies)
what pipe/silencer u recomend for a blaster fmf,lrd,ct,pro circuit.... (6 replies)
air boot problem (3 replies)
Cheep power increase for 400EX?? (9 replies)
300ex cam? (3 replies)
jetting problem help (2 replies)
Oil Coolers. (2 replies)
Piston Rings HELPPPP !! (6 replies)
HMF slip on...sounds baaad! (5 replies)
Terrible sound after piston/cam install... (14 replies)
Terrible sound after piston/cam install... (0 replies)
FST 390 big bore kit (0 replies)
Best place to order in Canada? (3 replies)
Curtis Sparks or White Brothers?? Anyone have either one? (29 replies)
carb problems...HELP! (5 replies)
Must See New Quad!!! (5 replies)
adam sicks 426 kit (9 replies)
Air/Fuel Mix Screw?? (2 replies)
I need some jetting help! (17 replies)
Jetting help (1 replies)
E-series / Jetting???? (2 replies)
sparks advance timing key (2 replies)
sprockets and tire size (1 replies)
need help fast!!!does anyone have the part# for the tapered axle bearings? (0 replies)
yoshimura??? (0 replies)
cv joint (1 replies)
What is a spark arrestor? (4 replies)
i need answers now (4 replies)
anyone else ? (2 replies)
Engine builders pipes websites???? (2 replies)
Why not remove the spark arrester? (2 replies)
Question for those who have a cr igniton on a R... (0 replies)
More good news from C&D Racing!!! (3 replies)
stumble at low throttle (4 replies)
What kind of carb? (1 replies)
Whats good about a new bearing carrier?? (1 replies)
Low Range Slip on (2 replies)
Chain Help (1 replies)
K&N jet question (2 replies)
Stock 400 EX with no airbox lid? (8 replies)
Kendall oil with energy release (2 replies)
250 Ex Exhaust (2 replies)
400ex got wet, now wont start (9 replies)
New cam AND piston break-in... (3 replies)
Big bore rebuild (1 replies)
NOS on a 400ex!?!?!? (5 replies)
White bros R4 slip on (400ex) (2 replies)
This is weird. (5 replies)
got back from my trip to plimouth MA (0 replies)
im confused!! please help (3 replies)
bike specs?? (0 replies)
Leaky White Bro's (7 replies)
Quiet end cap for PowerCore IV (0 replies)
White Bros Full System (6 replies)
Is this ok to do??? (6 replies)
416 kit questions??????? (6 replies)
When to adjust valves on a 400 EX? (3 replies)
250 EX Rears. (1 replies)
case savor? (10 replies)
250r sputtering??? (0 replies)
Meszaro's Motorsports Axle Nut (3 replies)
A question for people who know. (3 replies)
Best place for DG Nerf Bar? (0 replies)
Rear Axle Locknuts keep Loosening!! (2 replies)
pipes (1 replies)
440 kit (5 replies)
What the Heck Happend!!! (77 replies)
Not Again!!! (10 replies)
300ex rev kit (0 replies)
Blaster Question (3 replies)
What slip on can i get w\out rejetting (1 replies)
300ex????? (1 replies)
400ex pull bar (4 replies)
K&n power kit (1 replies)
300ex_jetting (quad experts needed) (4 replies)
??? (1 replies)
Which silencer for my 400EX? (13 replies)
$500 hop-up budget (3 replies)
Anyone have this profab 330 kit??? (6 replies)
hey guys got a 250R silncer question u guys are usually good at this stuff (2 replies)
Throttle cable probs (0 replies)
What causes this?? (11 replies)
Anyone Please... ? (6 replies)
outwares and k&n??? (4 replies)
bunch of bull (21 replies)
Lrd Exhaust (19 replies)
Used XR Cam (0 replies)
Yoshimira Slip On ?? (1 replies)
slipon w/heapipe vs full system (0 replies)
Ultra Lite Battery (1 replies)
Engine Problem..??? and question.... (4 replies)
open air box good or bad? (9 replies)
need help on my COOL HEAD (4 replies)
Oil cooler questions (1 replies)
250x wont run (2 replies)
need more air (3 replies)
Is it common for 400ex's engine to be a little noisy? (5 replies)
243cc...top speed (9 replies)
Aftermarket Batteries for 400EX? (14 replies)
How Does the 416 kit w/ XR cam and FCR Carb Compare to a C-Dale????? (16 replies)
How to install a K&N Powerkit (47 replies)
best bangs for the bucks ? (3 replies)
what is the lift of a 400ex stock cam? (1 replies)
250ex question? (10 replies)
t-4 rejet for a 250ex (0 replies)
FMF Titanium 4 (4 replies)
Outerwears airbox lid (3 replies)
ordered omf scoops but i cant get them on.....I need help (7 replies)
What should I do??? (4 replies)
Bike Idling High (2 replies)
Help A Friend With Jetting?? (0 replies)
pro circuit slip on help me now (2 replies)
Quick review on the Stage 2 HotCam (9 replies)
300ex noise (1 replies)
what size jet you guys run with T4 slipon? (3 replies)
Best Airfilter for the sand? (1 replies)
High compression? OK, or not? (8 replies)
400EX motor cutting out at revs (5 replies)
Installing Hot Cam Stage 2 (17 replies)
Hetricks Racing.... (4 replies)
400ex wont go in reverse (16 replies)
WB Rev box (4 replies)
Im a dumbass.....help! (3 replies)
pro design kill switch (installation) (7 replies)
Wb Vs. Dg (3 replies)
Stock pipe mods w/Stage 2 cam (2 replies)
300ex main jet (1 replies)
Finished reverse mod on my 250x (7 replies)
what the heck is a counter shaft sprocket????? (4 replies)
rear end went out (4 replies)
Valve Clearance on HotCams... (4 replies)
Another 300ex jetting question. (2 replies)
stage one or stage two (1 replies)
250x carbs (0 replies)
is my cam messed up? (5 replies)
New cam breakin tips... (13 replies)
Carb. Modding (1 replies)
what do u 300 ex guys think about the FST oil coolers? (2 replies)
Best Exhaust-system - with Dyno Testings (0 replies)