ATV Powertrain [Archive] - Page 61

How to remove a sheared header stud (5 replies)
250r Cdi (3 replies)
Piped 400ex Vs. stock Z (35 replies)
Jetting Question??? (6 replies)
head gasket AGAIN (im about to kick this thing...) (8 replies)
pipe for 300? (54 replies)
400ex Floats? (3 replies)
Timing advance humming. (1 replies)
XC gearing? (8 replies)
300ex Won't Start (5 replies)
CDI / Rev Boxes for the 400EX (9 replies)
what is a good wey to shift win i am racing (10 replies)
Need a little jetting help.... (3 replies)
18in (14 replies)
New pics of lte dual exhaust for 400ex. (7 replies)
gettin a HMF slipon (9 replies)
Head Gasket (5 replies)
drain plug (8 replies)
TC 450 kit (3 replies)
300ex-350x conversion... (7 replies)
What size paddle? (2 replies)
Just installed... (3 replies)
engine breakin (2 replies)
Mickey Dunlap ?????? (6 replies)
got it (2 replies)
Spline wear on front sprocket shaft (2 replies)
cometic gaskets (1 replies)
450r vibes!!!!!! (0 replies)
ct racing (3 replies)
Rad bearing carrier (0 replies)
adjustable cam chain gear ??????????????? (0 replies)
All balls or Pivot Works? (9 replies)
Starting in gear (3 replies)
dominator axle (5 replies)
My engine is KNocking!! (14 replies)
timing question (6 replies)
my 300ex transmission (2 replies)
440, 426 boring and sleeving questions (5 replies)
sprokets???? (4 replies)
250r powervalve in a 400EX?? (3 replies)
Needel jet? (1 replies)
Tc exhaust (2 replies)
Oil cooled 300ex (22 replies)
Chail oil (6 replies)
head pipe/ bill's pipes (2 replies)
BEST Valve springs (6 replies)
300EX gearing question (1 replies)
Dg exhaust (0 replies)
Tether switch question for 400ex and blaster (2 replies)
Axel carriers ? (1 replies)
Race Gas !!! (12 replies)
stock gearing??? (4 replies)
416 or 440 for mx racing (67 replies)
Big Gun or White Bros.? (1 replies)
Frustration!!!!!!!!!!!!!!!!!!!!!! (6 replies)
Whats the best pipe? (2 replies)
426 fcr jetting? (5 replies)
Yet another jetting question (1 replies)
8 Plate Clutch Issue - HELP! (18 replies)
Just ordered HMF, good choice? (8 replies)
how do i put this tether kill switch on my 400ex? (3 replies)
klotz gas???? (2 replies)
How do i put this tether kill switch on my 400ex? (1 replies)
Cracked Intake boot (6 replies)
which piston is best 4 racing mx?? (3 replies)
250r vrs. 400ex (19 replies)
Who sell those things??? (4 replies)
400ex start up (4 replies)
400ex hp? (1 replies)
400ex motor swap...besides CRF450... (4 replies)
Big Bore 300ex (5 replies)
Failed Dynatek cdi (25 replies)
300ex Exhaust needed (1 replies)
stage 1 stage 2 (9 replies)
400ex backfire, missing???? HELP!! (8 replies)
440ex compression (3 replies)
Better Battery??? (5 replies)
YFZ jetting (0 replies)
White Bros e exhaust (0 replies)
New to me 400ex is leaking fuel (12 replies)
cam and piston? (3 replies)
Tether install, Polaris (5 replies)
300ex backfires (10 replies)
chain tension? (1 replies)
Dynojets (3 replies)
300ex problems (5 replies)
jetting suggestions 300ex w/mods (2 replies)
honda axles (1 replies)
ticking (5 replies)
anybody tried the DNYA CDI for 400EX? (0 replies)
help jetting 400carb on 250x! (6 replies)
Need help jetting (7 replies)
what are the best tires? (19 replies)
300ex FMF on 400ex? (4 replies)
300ex ignition wire (1 replies)
Where can I find a good axle (1 replies)
416, cam, pipe, filer, no lid... jetting. (13 replies)
jetting (10 replies)
wont start clicking noise (7 replies)
Where could you get CRF450 motors? (6 replies)
Building a 440 (4 replies)
?? (2 replies)
twist throttle? (14 replies)
250x head problems (3 replies)
400ex trade in (12 replies)
Motor upgrade? (4 replies)
when climbing it smokes (0 replies)
curtis sparks-vs-ct racing exhaust (0 replies)
degree key/timing key??? (7 replies)
14 tooth sprocket 300ex?? (1 replies)
big gun exhaust questions (1 replies)
Approx. HP of my ex (10 replies)
Best Engine Builder (33 replies)
Clutch Re-installation question (19 replies)
curtis sparks (4 replies)
carb mod for crf450?? (7 replies)
400ex big bore! (3 replies)
400EX cam chain question - noisy after rebuild (12 replies)
e-brake block off? (5 replies)
Oil (14 replies)
flywheel (11 replies)
TC 426MXer Hp's? (13 replies)
Sticky Throttle Cured! (1 replies)
416 kit??? (5 replies)
big bore vibes (2 replies)
Compression (4 replies)
more power (4 replies)
jetting (0 replies)
curtis sparks (1 replies)
Why do the fuses keep blowing? (20 replies)
400EX motor problems (12 replies)
adjustable ignition vs normal rev box (7 replies)
416 help quick please!!! (5 replies)
problem with repacking YOSHI (1 replies)
rear sprocket replacement (2 replies)
Post pics of your Shorty Pipes (30 replies)
Axle bent or not? (4 replies)
400ex Cam Chain Question?? (2 replies)
more power? (11 replies)
400ex Hrc Cam (3 replies)
Another Durablue eats it (23 replies)
Changing Jets??? (11 replies)
overflow always leaking (5 replies)
OHH $H!T messed up bad (10 replies)
Keihein FCR37mm? (3 replies)
results of hotcam? (2 replies)
whose running the TC 924? (5 replies)
oil leak...i cant figure it out (3 replies)
race gas? (10 replies)
300ex problem (4 replies)
Big Gun Quiet Series any good? (2 replies)
head bolts (14 replies)
250EX Manual Clutch (3 replies)
raceing (3 replies)
300ex killswitch (2 replies)
TRX300ex power infusion! (1 replies)
where to buy motor (0 replies)
rear brake caliper question (1 replies)
Wiseco vs. JE vs. Ross (18 replies)
350x questions (2 replies)
porting (4 replies)
Little Smoking (5 replies)
cometic gaskets? (17 replies)
adjusting valves (4 replies)
rear axle bent (1 replies)
exhaust (20 replies)
Cheapest place to get WB E-Series W/free shipping (6 replies)
Traded in my 250ex, kind of miss it. (4 replies)
Lectron Carbs- Metering Rods? (4 replies)
R4 White Brothers (7 replies)
Quad specs (1 replies)
I need help! Anyone that's really good with carbs please lend an idea! (6 replies)
crf450 motor ? (1 replies)
removing engine help (5 replies)
400ex motor in 300ex frame?? (5 replies)
motor upgrade (5 replies)
problem (4 replies)
HMF full exhaust (20 replies)
300Ex Question ( Happy Day! ) (1 replies)
which is quieter??? (2 replies)
300ex pipe sound (5 replies)
What exhaust do I have? (15 replies)
300ex vs. warrior (8 replies)
comparison (2 replies)
4 stroke tech advice (2 replies)
rev box (11 replies)
300ex (2 replies)
400ex Auxillary Oil Cooler Installation (4 replies)
Wiseco 440 Big Bore Jetting (12 replies)
can i put a 300ex jug on my 250x (3 replies)
Needle??? (2 replies)
Dial-a-jet (6 replies)
question about z400 jetting (3 replies)
Little cheap mods do make a difference (10 replies)
piston (3 replies)
burning oil (2 replies)
FCR worth the switch. (2 replies)
outerwears? (1 replies)
tick tick noise (1 replies)
New Here... 400ex won't start... couple ?? (20 replies)
68.4 mph good, bad, or average (1 replies)
stock axle to lsr axle (12 replies)
bar clamp ? (2 replies)
getting it to start (5 replies)
Jetting prob (3 replies)
CT Racing Slip-on problem (4 replies)
400ex problems (12 replies)
edelbrock carb 440 IS IT WORTH IT (7 replies)
440 kits (13 replies)
Why would one replace spark-plug, gaskets, pistons, orings, exhaust on a 03' 400ex?? (4 replies)
Pistons (6 replies)
Gasket ? (12 replies)
Cam for stroker (2 replies)
k&n filter problems (21 replies)
carb help PLEASE (1 replies)
FCR trouble again (8 replies)
rejet (4 replies)
Installing new clutch (6 replies)
400ex, how to start in gear? (15 replies)
milling the head on a 400ex? (13 replies)
Chain help (5 replies)
Boring out a stock 400ex carb (2 replies)
Mikuni tm34mm carb on 300ex! (0 replies)
300ex exhaust (17 replies)
big bore kit for a 300ex (8 replies)
carb help 400ex (1 replies)
main jet (3 replies)
400ex (3 replies)
This isn't supposed to happen!!!! (7 replies)
Gear shifter spindle broken...ouch! (9 replies)
Sparks 450r pipe (1 replies)
e-series question (6 replies)
Clutch question... (4 replies)
welding (9 replies)
. (4 replies)
300ex 250x rev box cdi (3 replies)
Plz help! Posting pics in a thread??? How?? (1 replies)
new 400ex..black plug (6 replies)
Web Cams install? (3 replies)
Ball joints (1 replies)
yz water spigot (1 replies)
MX exhaust. (2 replies)
rear axle bearings 300ex (5 replies)
? about high comp. piston install (13 replies)
Who does the best motor work on a YFZ ? (7 replies)
optima quad style battery? (2 replies)
DB stock exhaust without baffle/spark arrestor (2 replies)
serious power from a 400ex...comments (36 replies)
better exhaust????? (16 replies)
NEW Pro Circuit T-4 quier core (2 replies)