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:GP100C 98cc 78-80; GP100ED 98cc 83-86; GP100N 98cc 80-81; GP100UD 98cc 83-91; GP100UL 98cc 91-93; GP100UN 98cc 80-82; GP100UX 98cc 82-83; GP100X 98cc 81-84; GP125C 123cc 78-79; GP125D 123cc 83-89; GP125N 123cc 79-82; GP125N 123cc 85-86; GP125X 123cc 82-83.