Yamaha 2012 YZ450- KMS turbo- 16.5 Yeti 137 for sale. Bike was a hold over until 2015 and Yeti was hold over until beginning of this season. This bike rips hard and has never failed me, still running the original belt on the kit. Yeti has 2017 updates, drivers, 28mm belt, Maxtrak 2, raptor...