Service Yamaha YP250 1995-1999 contains maintenance schedule and the repair procedures you need.
The Repair Manual for Yamaha YP250 contains:
General Information
Specifications
Periodic Checks and Adjustments
Engine
Carburetor
Drive Train
Chassis
Electrical
Troubleshooting
Wiring Diagram
Buy now the Repair Manual Yamaha YP250 1995-1999