Whats the best motor to put in a 400ex??????????????????? [Archive]

View Full Version : Whats the best motor to put in a 400ex???????????????????

Sporttrax400ex

01-14-2003, 07:55 PM

Does anyone know what would be the best out of a cr250,cr450, or a 440ex motor with cam, high comp piston, hinson clutch curtis or ct pipe, a carb, valves, and port and polish????????????:confused: :confused:

d-14 rider 27

01-14-2003, 08:39 PM

450 of course:D

Sporttrax400ex

01-15-2003, 07:39 AM

bump!

Dave400ex

01-15-2003, 02:32 PM

CRF450

Scott400EX

01-15-2003, 03:24 PM

depends on what kinda beast u want!! personally i would love to put a 650L engine in mine but thats a long way off!!

tkatka70

01-15-2003, 07:45 PM

drop a Polaris Trailblazer 250 in there. jk