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:239 Desmo Mk IIID 239cc 73-76; 239 Mk III 239cc 73-76; 250 Desmo Mk IIID 248.6cc 69-76; 250 Mk III 248.6cc 69-76; 350 Desmo Mk IIID 340.2cc 69-76; 350 Mk III 340.2cc 69-76; 450 Desmo Mk IIID 435.7cc 69-76; 450 Mk III 435.7cc 72-76.