2010 yfz 450 x chassis. 1989 banshee engine we bought off a friend that crashed the banshee five years ago and lost his right leg from the knee down. the engine is stock bore, unported, wiseco prolites, coolhead with 20cc domes, stock carbs with k&n pods, fmf sst pipes cut and turned to make out of frames, silencers have been shortened. not the fastest set up but the goal was get the engine in and running in the newer chassis.