Packard Performance Billet High-Performance Flywheel for Yamaha YXZ Rough Buff Tires and that's precisely why we

and that's precisely why we have created this ultra-lightweight flywheel for the Yamaha YXZ 1000R

and a sound that commands attention—without going overboard—this is the upgrade that delivers

It's made from aircraft-grade 6061 aluminum and is fully welded inside and outside for added strength and longevity

~130 WHP at 5 PSI

Professional installation is strongly recommended

Packard Performance Billet High-Performance Flywheel for Yamaha YXZ Rough Buff Tires and that's precisely why weWant to know the easiest way to pick up just under 5hp @ 8000 RPM on acceleration?? The Packard Performance High Performance Flywheel you are currently reading about. Remember Newton's 2nd law of physics?? Force to acceleration, blah, blah in short, the less rotating mass, the greater the acceleration, and that's precisely why we have created this ultra lightweight flywheel for the Yamaha YXZ 1000R. With the OEM flywheel coming in at a whopping 5. 7