Description
This 1981 Yamaha YZ125H Factory Motorcycle Service Manual is a reproduction of the original, out of print, book. This manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1981 Yamaha YZ125H two stroke motocross bikes.
Table of Contents
GENERAL INFORMATION
MACHINE IDENTIFICATION
CONTROL FUNCTION
FUEL, OIL AND COOLANT
PRE-OPERATION CHECKS
STARTING AND OPERATION
PERIODIC MAINTENANCE AND ADJUSTMENTS
MAINTENANCE AND LUBRICATION SCHEDULE CHART
LUBRICATION
SPECIAL TOOLS
ADJUSTMENTS
MAINTENANCE AND MINOR REPAIRS
PREPARATION FOR SERVICE
ENGINE
COOLING SYSTEM
CHASSIS
SUSPENSION TUNING
ELECTRICAL
MISCELLANEOUS
WIRING DIAGRAM
CABLE ROUTING DIAGRAM
TROUBLE SHOOTING GUIDE
CLEANING AND STORAGE
SPECIFICATIONS
WARRANTY INFORMATION