I have access to a couple choice frames and a i have an 89 kx500 engine that still kicks over on the second try. so i was thinking it would get more uses in a quad. what frame would br the best to handle the beast and easiest to build. Resources are not an issue in this project.

 

Make it a kawasaki[img]i/expressions/face-icon-small-happy.gif[/img]

 

what frames do you have access to?

 

Tecate 3 or 4[img]i/expressions/face-icon-small-smile.gif[/img][img]i/expressions/face-icon-small-wink.gif[/img]

 

Tecate 4 would be a runner. The Tecate 3 would definitely be a runner...as long as you stretch it out....[img]i/expressions/face-icon-small-wink.gif[/img]

 

Vibration would be less of an issue with the Tecate 3 as the frame design is similar to the bike. The quad is a whole other ballgame.
Vibration kills/cracks frames, and causes many other issues.
If this motor were counterbalanced it wouldn't be an issue.

I've been this route with the Hondas (CR500)... they run great, but can't keep them together... even with rubber motor mounts.

 

I seen a kx500 in a lt250 frame on ebay it looked good like a factory job.

 

there has been a KX 500 put into a mojave chassis...contact greg at cycleworksracing.net for some help on this project