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Beast
I am looking for a quad to start racing mx. I ahve decided on a 400ex. What motor mods do you suggest to be able to keep up with the 450's, and still be reliable?? I need to run pump gas, but what bore size, porting, cam etc do yall suggest. Also, where can I get a stroker crank form??
thanks
2000 Honda Foreman S
26 inch Radial Outlaws
High lifter lift kit
K&N Air Filter
Custom 2 inch intake snorkle
DJ jet kit
Pres. DrasticSports.com
I had the exact same questions, talk to C&D Racing, they took the time and answered all my questions. Check around the site, they come highly recommended.
C&D Racing...
03 416EX, Hipers w/ Holeshot HDs, FCR 39mm Carb, JE 10:8:1 (Ceramic Coated), Hot Cams Stage 2, Port, Polish, Ceramic Coated Head and Valves, Fassst Bars, Spider Grips, full HMF Exhaust, Cometic Gaskets, Elka Front Shocks, Elka Rear Valve kit, Scott's Steering Damper, Burgard Anti-Vibe Stem, PRM Bumper, Vortex CDI, Terry cable, K & N Filter, K & N Air Box Lid, Air Scoops, TRC lever, 14T Sprocket, Nerf bars, Scott's oil filter. Moose throttle
2000 Polaris Scrambler 400 (2 Stroke)
1965 Fastback Mustang
2004 Z71 Burb
Sea Doo XP
Sea Doo GSX
Ride Red #22
I know there are answers to that question cause i asked them myself. Ill try to locate it for you.
2005 450R Black
AC Nerfs
Rest stock for now
Registered User
talk to gt thunder for the stroker. he is great and the prices are good.
2005 450r
*sold* 2001 400ex
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Member
heres just a question but why buy a 400ex and dump loads of money into the motor when you can get a 450r and just put some aarms axle shocks and a pipe on it and be able to go race
04 400ex red T-4 slip on k&n filter nerfs dg bumper kill switch works triple rate with rezzies burgard +2 aarms durablue +4 axle and razr mx on beadlocks
Beast
I will be buyin the 400 used. If i had the moeny, i would buy a 450. I will ahve to do all these mods over an extended period of time.
2000 Honda Foreman S
26 inch Radial Outlaws
High lifter lift kit
K&N Air Filter
Custom 2 inch intake snorkle
DJ jet kit
Registered User
check CURTIS SPARKS, #1 engine builder. Here is a list of my Curtis Sparks modes for a 400ex- race cam, heavy duty cam chain, heavy duty valve srping kit,hard faced rocker arms, heavy duty clutch kit, 416 piston, & x-6 exhaust.
NJ DEVILS
The way sparks been lately,i wont be sending nething to him,he is taking forever,i say GTthunder all the wayOriginally posted by Fast350ex
check CURTIS SPARKS, #1 engine builder. Here is a list of my Curtis Sparks modes for a 400ex- race cam, heavy duty cam chain, heavy duty valve srping kit,hard faced rocker arms, heavy duty clutch kit, 416 piston, & x-6 exhaust.
JOHN
New Jersey Devils
2008 YFZ 450...my new money pit
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AIM Devilsfan12
STFU!!!!!
Get your suspension before you do any motor mods. You can have all the motor in the world but if you can't put it to the ground what good is it. Get yourself a good set of aftermarket shocks and a-arms and an extended axle. get your stock rear shock rebuilt and you will be good to go.
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