Complete coverage of your Yamaha 2-stroke Motocross Bikes (86-06) With a Haynes manual, you can do it yourself - from simple maintenance to basic repairs Haynes writes every book based on a complete teardown of your machine We learn the best ways to do a job and that makes it quicker, easier and cheaper for you Our books have clear instructions and hundreds of photographs that show each step Whether you're a beginner or a pro, you can save big with Haynes! Step-by-step procedures Easy-to-follow photos Complete troubleshooting section Valuable short cuts Color spark plug diagnosis Covers: Yamaha 2-Stroke Motorcross Bikes covering YZ80, YZ85, YZ125 and YZ250 (86-06)