ATV Powertrain [Archive] - Page 87

I think im running lean (8 replies)
Exhaust Comps (2 replies)
which engine kit for 300ex (6 replies)
edelbrock vs fcr (13 replies)
race fuel question cam2 (6 replies)
New 400ex owner - Few Q's (10 replies)
Z400 not all that (4 replies)
Dynojetkit, which stage? (3 replies)
Big Gun Exhaust (4 replies)
someone please help me out!! (4 replies)
is the honda manual better than clymer? (8 replies)
what all shall i have the shop do? (1 replies)
250x problem (5 replies)
Jetting Question! (2 replies)
white brothers slip on return..?? (15 replies)
need more low end what to do? (11 replies)
IM all fouled out (0 replies)
will a billet shift lever make a noticeable difference? (8 replies)
Whos pipe has the most low end (21 replies)
300ex problems again (0 replies)
Fdo 493 Rips!!!!!! (29 replies)
300 bogs out in jumps (0 replies)
416 is all done!!! (9 replies)
Jetting Question?? (3 replies)
479 grind web cam (3 replies)
i bought a slip-on a while ago and now.... (4 replies)
440 kit (3 replies)
Whats the differance between a Powervaulve and a non-Powervaulve? (3 replies)
Neutral light out, won't start without clutch in question (2 replies)
Valves hitting the piston ..help (17 replies)
400ex carb on 250x (7 replies)
quietest pipe for a 300ex (8 replies)
HMF end caps?? (2 replies)
400ex exhaust? (4 replies)
where can i get wiseco pistons? (6 replies)
hardface rockers............ (3 replies)
What cams are best? (9 replies)
400ex Battery problem (11 replies)
400ex to 300ex carb ? (2 replies)
Broke off bolt in oil filter (9 replies)
Suzuki LT250 vs. Honda 250r (5 replies)
339th Sand Drags (0 replies)
41 FCR owners please read (5 replies)
250r's (0 replies)
need more power !!!! (2 replies)
Putting motor back together - cam timing question (27 replies)
back fire, how can i fix it (7 replies)
What Company makes stock exhaust??? (3 replies)
250r head (1 replies)
200x ? (7 replies)
any more ideas (8 replies)
oil filter (3 replies)
hey will it fit? (6 replies)
fst cool kit (1 replies)
yfz 450 verses trx 450r (9 replies)
LRD Stage 3 power up kit (4 replies)
What should my ring gap be? (2 replies)
Exhaust (2 replies)
what porting?? (2 replies)
DPR 8Z or 9Z ? (3 replies)
post a tip for installing cam and piston (10 replies)
its finally coming trx450 quad (19 replies)
source for exhaust valves (1 replies)
bent valves? (3 replies)
Magura Hyd Clutch Help (3 replies)
need feedback on mods i am about to make on my 2001 300ex (19 replies)
advance timing key (8 replies)
400ex airbox (2 replies)
Supertrapp IDS-2 Head Size??????? (0 replies)
Help with my Case saver. (7 replies)
250x valve settings (3 replies)
Possible Jetting Problems (3 replies)
air box (4 replies)
Aftermarket coils? (1 replies)
oil cooler (5 replies)
Breaking in Craptors PLEASE HELP (6 replies)
how big are the 400ex valves (4 replies)
Did X Ring Chain Problem (16 replies)
stage 1 vs. stage 2 (7 replies)
TRX450 information (0 replies)
Stock compression??? (2 replies)
Choke removal Worth it???? (11 replies)
amp link worth it or not? (3 replies)
Help friends quad on crack!!!! (22 replies)
Help quick carb drain screw (1 replies)
best pipe? (15 replies)
Easy hop ups (2 replies)
Tachometer (1 replies)
jetting for application,HELP (13 replies)
Crf 450 Quad Offical (8 replies)
400 ex vibrates like crazy!!??? (11 replies)
In Da Clutch (1 replies)
Need Help With Thumb Throttle Installation (1 replies)
Slip on or bolt on header etc? (1 replies)
330 bore kit (1 replies)
Stock Carb Mods? (11 replies)
Pictures of the newest cam (13 replies)
my 400 is flooding to easily (1 replies)
Throttle cable? (6 replies)
Burgard or Meszaro bearing carrier? (5 replies)
chain and sprokets (3 replies)
CRF 450 vs. 250R (31 replies)
w/bros disks / JETTING (4 replies)
Scorpian Exhaust (4 replies)
carb question (2 replies)
Which piston (3 replies)
blue smoke (2 replies)
300 EX carb problems (1 replies)
Props to White Brothers Customer Service! (8 replies)
one question (9 replies)
clutch problem? (2 replies)
UNI vs K&N (2 replies)
Trx450 (1 replies)
For Dirt Only questions (6 replies)
250EX Rev Box? (2 replies)
300ex help!!! (6 replies)
250R runs great but should run like crap!! Inside Please!! (8 replies)
440 blowing head gaskets (1 replies)
spark arrester (5 replies)
electrical (1 replies)
416 not emough power (53 replies)
dmc/// others (6 replies)
460? (6 replies)
E-series..How many discs? (19 replies)
Another problem with the 416 (73 replies)
tuning help (2 replies)
idling problem (9 replies)
im new, i few questions (31 replies)
Help me figure this thing out. (4 replies)
440ex perfomance decisions. (8 replies)
pistions, hotcames, sleeves? (11 replies)
Air Shifter (0 replies)
#42 pilot jet question (7 replies)
fast help-wont start (16 replies)
My 426 is quieter than my 400 was?? (7 replies)
What do you think is rong with my r...? (2 replies)
Is there a right way or wrong way?? (8 replies)
Is any one piston better than another? (7 replies)
carrier bearings (4 replies)
help quick, please! (8 replies)
3oo ex cooling (3 replies)
dynojets for more power? (7 replies)
Anyone tried this? (17 replies)
Need help finding a part (6 replies)
300ex (4 replies)
i want to go faster (15 replies)
14t sprocket with stock case saver?? (6 replies)
rev limiter, gears, jets,exhaust.. (4 replies)
FCR accelerator pump (43 replies)
A rumor from GT thunder!! (44 replies)
Which Slip On (21 replies)
NOT A NORMAL QUESTION.... What if you tried to run a pint of NITRO w/117 Race fuel??? (1 replies)
Jeggs aux. oil cooler?? (29 replies)
How do i get my axle out of my axle carrier (9 replies)
a question about the YFZ 450 carb (6 replies)
need some serious clucth help (7 replies)
XR400 and 400ex clutch's the same,right? (2 replies)
shifting question (2 replies)
db on stock exhaust? (14 replies)
how much axle bearings (5 replies)
help (6 replies)
changing cam without changing piston? (21 replies)
opinions please (7 replies)
Break-in - Cam or Piston? (13 replies)
crf yzf engine in 300ex (14 replies)
Advice on Z400 motor work (4 replies)
What Should I Do! (4 replies)
11:1 ok with 93 oct. gas? (6 replies)
somethin for all (curious?) (6 replies)
Black smoke when first started?? (8 replies)
'99 cr250 starting then backfires and quits (6 replies)
250R Guys help with freak problem!! (10 replies)
2stroke problem (9 replies)
port and polish please help (3 replies)
Gas Leak? (2 replies)
sprocket question (3 replies)
Are Whellies bad?!?!? (61 replies)
Changing to twist grip today... Need guidence.. (7 replies)
Why Wont Anybody Answer?!?!?!?! (5 replies)
dyna ignition system? (1 replies)
wont idle for nothin (13 replies)
gears 400ex (1 replies)
jets (1 replies)
gears (4 replies)
400ex carb (4 replies)
426 Jetting Question (15 replies)
is HMF a good pipe? (5 replies)
lower dome piston? (13 replies)
crankcase breather spitting oil? (2 replies)
worn clutch symptoms (5 replies)
carb swap for 300 ex (5 replies)
clutch repalcement help needed (7 replies)
Problem with.......!!! (5 replies)
What do you think about this 300EX mods im about to do? (17 replies)
416 question (3 replies)
Clutch problem (4 replies)
think this is any good? (4 replies)
gears (4 replies)
best foam filter (20 replies)
My 440 kit? New Englanders read! (20 replies)
Xr's only website (1 replies)
300ex jetting (1 replies)
valve lash? (6 replies)
8 hrs on new 400, decelaration smoke! (13 replies)
250R clutch cover? (1 replies)
300ex edlebrock carb? (2 replies)
suzuki 105 starter problems (0 replies)
Powerbomb with E-Series Slip on? (5 replies)
thickness of clutch plates (1 replies)
Where are the pro circuit t-4 accessories? (3 replies)
is a 440 kit reliable? (4 replies)
slip on or full exhaust ??? (8 replies)
Speed and Gearing Calculator for the EX.... (8 replies)
Anyone running a 430EX? (5 replies)
250x ????????? (5 replies)
High Octane (14 replies)
Uni Filter Question (7 replies)
Update to my blown motor need help (17 replies)
can anybody help me identify a cam shaft? (6 replies)
Magura 300ex clutch (2 replies)
best drop in cam for 300EX???? (0 replies)
FDO Website? (4 replies)
does the 04' 400ex have a 38mm carb? (13 replies)
hard starting & low idle after being heated up, bike blubbers at midrange. too rich? (5 replies)
my pipe... (12 replies)
34mm carb (2 replies)
This one is for castor? (8 replies)
Modified Head Pipes (10 replies)
HRC cam update (0 replies)
416ex jetting question (0 replies)
Painted Engine (8 replies)
k&N part# (1 replies)
Symptoms of overjetting (8 replies)
Cracks (8 replies)
440 ex JE piston (5 replies)
300 ex carb question (2 replies)
Which big bore kit? (2 replies)
how hot will 400 get? (13 replies)
Engine performance (14 replies)
DG xccelerator (6 replies)
REVV box (7 replies)
Hard to get neutral!!!??? (8 replies)
stock needle with dynojets (2 replies)
Sparks Pipes (5 replies)
maybe not that bad (5 replies)
Hard Clutch Pull (14 replies)
Stock 400 faster than mine. (25 replies)
FCR...gas tank clearance (7 replies)
hrc COPY CAM FROM XR ONLY? (1 replies)
Jetting on '03 EX (4 replies)