I AM THINKING OF PUTTING A CR500 ENGINE IN 86 250R FRAME, I CRASHED MY CR500 (BENT THE FRAME AT THE HEAD BAD!!!) SO ITS JUNK AND I HAVE A COMPLETE ROLLING 250R CHASSIS I AM DOING SOME RESEARCE BEFORE I TEAR INTO THIS ENDEAVOR SO ANY ADVICE GOOD BAD OR UGLY WOULD HELP THANKS TO ANYONE IN ADVANCE FOR YOUR HELP