This is a set of the service manual and the owner's manual that came with the vehicle when purchasing the SRX400/SRX600. New service manuals are quite expensive. From engine disassembly and assembly methods to detailed wiring diagrams, it covers everything about the SRX400/SRX600, including detailed tightening torques and appropriate amounts of lubricants. This product has almost no noticeable damage or stains. Service manuals and parts lists are very helpful when performing maintenance. Manufacturer: Yamaha Compatible models: SRX400/SRX600 Model: 3VN/3SX Published: 1990/02