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:B31 348cc 54-59; B32 Competition 348cc 55-57; B33 499cc 54-60; B34 Competition 499cc 55-57; CB; DB; DBD34 Gold Star 499cc 54-61; CB; DB32 Gold Star 348cc 54-57; M20 496cc 54-55; M21 591cc 54-61; M33 499cc 54-57.