With a Haynes Manual, you can do it yourself, from simple maintenance to full repairs. Every Manual is based on a complete stripdown. Our authors and technicians work out the best methods to do a job and present this with the home mechanic in mind. Our Manuals have clear instructions and hundreds of photographs that show each step. Whether you're a beginner or a competent mechanic, you can save money with Haynes., Each Manual includes:, Clear and easy to follow page layout, Full procedures written from hands-on experience, Easy-to-follow photos, Faultfinding information, How to make special tools, Colour wiring diagrams (where available).Specific Models Covered:KH250 249cc 76-79; KH400 400cc 76-79; S1 250 249cc 72-73; S1A 250 249cc 1973; S1B 250 249cc 73-74; S1C 250 249cc 75-76; S2 350 346cc 71-73; S3 400 400cc 1974; S3A 400 400cc 75-76.