bigest power gain for the 400

[steve #7]

Take off the electric start and cut everything you can off of the flywheel . 2lbs 8. oz.

[steve #7]

Put a kick start on it from a 2000 and up xr400

[krt400ex]

i bet it revs like a 2 stroke now...but what about stalling?

[07250ex]

yeh i bet it stalls pretty good :devil: but im wondering how big they are can u take a picture with ur hand next to it or a magazine or something so i can see size relationship