ATV Powertrain [Archive] - Page 89

37.5mm stock carb jetting (3 replies)
oil (0 replies)
Anyone running AMSOIL??? (4 replies)
250r (12 replies)
Toomey tr-6 (6 replies)
Help finding TDC (6 replies)
Oil Cooler (2 replies)
advantage of aftermarket 38 to stock 38mm carb? (0 replies)
Stock jetting (6 replies)
OMF vs. tinner (18 replies)
how do i get the core out? (2 replies)
FDO 416 kit (1 replies)
pipe cutting experts (17 replies)
leaking gas (4 replies)
Big gun exhaust-best price? (2 replies)
Sound Level Check (8 replies)
does this sound good? (1 replies)
hmf vrs procircit (10 replies)
Jetting 101....Gearing 101....Rev-Limiter basic training....HELP (6 replies)
250ex exhaust (2 replies)
400ex clutch question. (4 replies)
sparks timing key (7 replies)
swoppinng to the perma cooler (2 replies)
Cam chain (11 replies)
400ex a-arm conversion for 300ex (1 replies)
Dura blue posi lock (4 replies)
2 stroke vs. 4 stroke (77 replies)
300 ex cooling (0 replies)
MX 416 or 406 (4 replies)
heavier valve springs on big bore (12 replies)
powroll (3 replies)
POS Maier tether kill switch! (5 replies)
HMF for a 300? (2 replies)
carb problems/timing (0 replies)
Yoshimura headpipe?? (0 replies)
DG Xccelerator (1 replies)
Valve Adjustment On A 440 (2 replies)
dynojet vs. mikuni (5 replies)
oil coming out of the head (2 replies)
rejetting a 400ex (1 replies)
best slip on? (2 replies)
starter troubbles (2 replies)
jetting? (2 replies)
WB E series question (5 replies)
FDO 426 kit (9 replies)
flywheel (1 replies)
cooling (4 replies)
4-11 on the quiksilver carb (3 replies)
clutch adjustment (1 replies)
How does this sound for better air flow to the stock oil cooler? (16 replies)
case saver (2 replies)
elderbrock 440 carb (1 replies)
cracked block (9 replies)
help with a yzf conversion. (2 replies)
yzroostinya's throwing in a 416. (12 replies)
EZ-pull clutch levers (0 replies)
knocking sound on yz250?? (2 replies)
Got a big bore, now what? (13 replies)
Powroll 350X (30 replies)
no idea what to do (17 replies)
cleaning flywheel( need help) (2 replies)
300ex To 400ex Conversion (7 replies)
Wide Open Issues Part 2 (5 replies)
250r (3 replies)
R ignition troble (6 replies)
cant get new brake pads in....HELP FAST (14 replies)
testing CDI, Coil, and Stator (1 replies)
yz450 info test ride. (0 replies)
Need help on 400ex mods!!! (1 replies)
honing (2 replies)
grinding noise (5 replies)
Clutch: Is it Time? (300EX) (5 replies)
dam blaster (8 replies)
39mm needle adjustment? (11 replies)
frames in ontario (4 replies)
250r kickstarter (1 replies)
52 HP on a 473 EX (3 replies)
hole in sidecase! (1 replies)
No lid, No spark arrestor= gains (1 replies)
krinkle paint on jug (2 replies)
Wide Open issues ?? (16 replies)
Okay Now A Chain Question???? (2 replies)
clutch lifter pin (4 replies)
edlebrock carbs any good? (5 replies)
which clutch? (3 replies)
I really am a idiot (17 replies)
help quick please! (3 replies)
Why Is Honda So Good? (18 replies)
What axle would you all choose first???? (15 replies)
. (11 replies)
Pipe for a 300ex (0 replies)
XR400 cam? (1 replies)
hardened rocker cams vs. non-hardened rocker cams (4 replies)
engine builder vs. engine builder (10 replies)
300ex oil leakage (9 replies)
What color sceme?? (2 replies)
FMF power core 4 jetting Question (4 replies)
Which to choose? (0 replies)
more power for the 300ex (1 replies)
Oil Cooler Swap? (21 replies)
carb bore (0 replies)
??'s on oil and gas overflow (3 replies)
snorkle (3 replies)
the full system pipe shout out poll. (2 replies)
the pipe poll (0 replies)
air boot connecting from my carb to my engine broke. any suggestions? (10 replies)
endcap?? (15 replies)
Agressive or Mild Cam?? (11 replies)
sparks racing 400ex carb mod's (15 replies)
HRC Vs. Hotcam Stage 2, what are the specs? (3 replies)
Stuck 400ex valve covers (10 replies)
To harden rockers or not to harden... (4 replies)
The things you find in the trash!!! (13 replies)
LRD power slipon? (0 replies)
XR's only Exhaust? (1 replies)
wont start in gear (7 replies)
What can i get for this motor? Intrested? (0 replies)
big gun with k and n pipe jetting? (2 replies)
dry carbon fouled plug.. (10 replies)
Highest compression on 93 pump gas? (3 replies)
jetting question (1 replies)
blaster mods (6 replies)
shifting problems (2 replies)
please help (0 replies)
Head Gasket Problems (6 replies)
Steve-o 400EX- (12 replies)
What do you guys think about this? (1 replies)
white brothers filters (2 replies)
300ex help (14 replies)
flux capacitor help!!!!!! (4 replies)
A simple hotcams question (8 replies)
T-4 jetting (4 replies)
FCR carb questions (4 replies)
race fuel question (5 replies)
turbo/nitrous for quads? (49 replies)
LRD300 is alive!!! HolyShizznit! (17 replies)
exhaust.. (9 replies)
HRC Cam (4 replies)
White Brothers (2 replies)
piston rings (10 replies)
exhaust q? i need all opinions (7 replies)
new top speed? (15 replies)
Best Cam for 416 ? (3 replies)
need some advice (4 replies)
6th gear in 250ex? (7 replies)
low end and top end..... (5 replies)
how the he!! do i mount these fenders??? (3 replies)
cutting you pipe to make a shorty (3 replies)
uuuuuhhhh, head bolts gone???? (4 replies)
416, 426, 440 for mx??? (8 replies)
Trail Tech speedometer acurate? (4 replies)
Whats a GOOD kind of LUBE? (29 replies)
how fast are.......... (20 replies)
jetting (4 replies)
honing tool (2 replies)
my head gasket blew (2 replies)
fcr39mm worth it? (2 replies)
Motor Problems!!! Help!!!! (6 replies)
Nickasil (5 replies)
416,426,440 which to choose? (8 replies)
will my 400ex run with a kfx? (9 replies)
anyone make their own airbox (9 replies)
what is the best exhaust for 300ex (13 replies)
E-series jetting with Dyno jets (1 replies)
CSI rev kit (0 replies)
300ex motor weight (6 replies)
black box modification (14 replies)
A Story About A Little Valve Who Met A Piston. (22 replies)
oil (8 replies)
major vibration (13 replies)
400ex Choke Removal (5 replies)
400ex Problem Maybe! (11 replies)
440 internals quesiton (1 replies)
New change for 2004 400ex (15 replies)
dg krome power (10 replies)
Anyone have a Pingry Oil Tank with a Power Bomb Header (5 replies)
Problem (16 replies)
Installing a 14 tooth Front sprocket (6 replies)
what carbourator (3 replies)
What kind of oil do you use??? (42 replies)
Porting and polishing (3 replies)
how do i find the master link (14 replies)
250X Problems...Help (3 replies)
FDO's site?? (2 replies)
416 or stock bore??? (4 replies)
Can someone photoshop? (2 replies)
hmf owners (11 replies)
hmf 300ex slip on?/jetting? (5 replies)
White Bros. R-4 full system????400EX (1 replies)
abcracing check your pm .... (0 replies)
250X JEtting (0 replies)
400ex Cooling (3 replies)
400ex Jetting (2 replies)
ohhhhhhhhhhh man.......stripped drain bolt......please, please, please read (21 replies)
300ex goes thru oil?? (5 replies)
best kit for sand dunes (19 replies)
does anyones 400ex burn oil (12 replies)
a reliable 440 kit (0 replies)
What is cometic's phone #? (1 replies)
Need Help!! Ran 300ex In To Deep Ouf Water (4 replies)
426 13:1 Ross piston (2 replies)
What size jet to run.. (1 replies)
Stroker 250r (29 replies)
416EX Pipe?? (5 replies)
250r wont start (9 replies)
FCR Main Jet ? on a 425 (2 replies)
throttle (2 replies)
CDI problems (0 replies)
idle probs & jetting help (5 replies)
fmf (2 replies)
Where can I order a pilot jet online from? (2 replies)
lrd head pipe and another silencer? (3 replies)
tranny wont shift (5 replies)
Oil cooler Gaurd?? (6 replies)
So a 42 pilot is the way to go?? And some more q's (6 replies)
Adjusting the fuel screw on the FCR 39 (6 replies)
turbo charged 2 stroke? (6 replies)
miss on landing (4 replies)
440 electrical question (1 replies)
gearing question!!!! (4 replies)
who makes a rev limiter for the 300ex and whats there website? (3 replies)
Jetting Question (1 replies)
426 or not (6 replies)
Hmf vs. Yoshi (3 replies)
blew the 416 (7 replies)
i am getting beat still.... (9 replies)
New cam for 250ex?! (7 replies)
meagmax (0 replies)
Idle? (4 replies)
K&N Jet Questions (3 replies)
350x questions (4 replies)
choke removal question (1 replies)
silencer (10 replies)
500ex (7 replies)
sprocket. please help me out. (2 replies)
cam help... (1 replies)
400 is leaking oil....need help (2 replies)
ESR pipes (10 replies)
How much power will a 424 bore kit give me? (5 replies)
350x (7 replies)
400ex Battery won't charge???????? (4 replies)
best fuel for my 400ex (14 replies)
Sprocket Specialists (6 replies)
help (3 replies)
what size would theese bores make the motor in cc's? (3 replies)
abcracing and FDO !!! (3 replies)
rev limiter (5 replies)
jetting help? (1 replies)
Gearing question---- (3 replies)
Help my chain jumps!! (3 replies)