This comprehensive service repair manual provides detailed instructions and diagrams for maintaining and repairing your 2001 or 2002 Sea-Doo Challenger 1800 watercraft. The manual covers everything from basic maintenance procedures like oil changes and spark plug replacement to more complex repairs involving the engine, electrical system, and hull. It includes detailed exploded diagrams, troubleshooting guides, and specifications for every component, allowing you to confidently tackle any repair job. With hundreds of pages of in-depth information, this manual is an essential resource for any Sea-Doo Challenger 1800 owner who wants to keep their watercraft running smoothly and reliably.