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Modified Banshees

535cc BANSHEE WITH 138.7 HP

535cc BANSHEE WITH 138.7 HP The 535cc Cheetah cylinders were the popular choice for Banshee builders back then and Trinity started with that for this project Yamaha we featured in our May 2003 issue.  With a bore and stroke of 72mm, x 64mm and 26 ports this twin-cylinder two-stroke cranked out 138.7 hp on the […]


— Here’s a good letter from a Dirt Wheels reader — Hello Dirt Wheels, My name is Tony Cooper and I wanted to share some before and after pics of my 2003 Yamaha Banshee build.  This is my second submission to Dirt Wheels with my first being a 2011 KFX 450 that made it into […]