Workshop Factory Service Repair Shop Manual pdf download online Yamaha XT660R XT660RX 2008 contains maintenance schedule and the repair procedures you need.
The Repair Manual for Yamaha XT660R XT660RX contains:
General Information
SPECIFICATIONS
PERIODIC INSPECTION AND ADJUSTMENT
CHASSIS
OVERHAULING THE ENGINE
COOLING SYSTEM
CARBURETORS
ELECTRICAL
TROUBLESHOOTING