1968-1976 Yamaha 250-400cc Piston Port Clymer Motorcycle Repair Manual

Description

This 1968-1976 Yamaha 250-400cc Piston Port Clymer Repair Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for 1968-1971 Yamaha DT1 Series, 1972 Yamaha DT2 Series, 1973 Yamaha DT3, 1973-1975 Yamaha MX250, 1973-1974 Yamaha MX360, 1970-1971 Yamaha RT1 Series, 1972 Yamaha RT2 Series, 1973 Yamaha RT3, 1974-1976 Yamaha DT250, 1974 Yamaha DT360, 1975- 1976 Yamaha DT400, 1974-1976 Yamaha YZ250, and 1974-1975 Yamaha YZ360 Piston Port motorcycles.

1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976

Includes everything you need to know to perform tune-up and routine maintenance for the engine, clutch and transmission, fuel and exhaust, ignition system, steering and suspension, wheels, brakes and tires, electrical system, frame and body. Features complete wiring diagrams and 168 illustrated pages.

Table of Contents

QUICK REFERENCE DATA

CHAPTER ONE, GENERAL INFORMATION
Manual organization, Service hints, Tools, Expendable supplies, Mechanic’s tips, Safety first

CHAPTER TWO, PERIODIC MAINTENANCE
Engine tune-up, Battery service, Oil change, Clutch adjustment, Electrical equipment, Drive chain, Brakes, Wheels and tires, Steering head bearings

CHAPTER THREE, TROUBLESHOOTING
Operating requirements, Starting difficulties, Poor idling, Misfiring, Flat spots, Power loss, Overheating, Backfiring, Engine noises, Piston seizure, Excessive vibration, Clutch slip or drag, Poor handling, Brake problems, Lighting problems, Troubleshooting guide

CHAPTER FOUR, ENGINE, TRANSMISSION AND CLUTCH
Two-stroke operating principles, Engine lubrication, Preparation for engine disassembly, Engine removal/installation, Cylinder and cylinder head, Piston, pin, and rings, Reed valve, Compression release, Magneto, Engine sprocket, Right crankcase cover, Autolube pump, Clutch, Primary drive gear, Kickstarter, Tachometer drive, Omni phase balancer, Shifter, Crankcase, Transmission, Crankshaft, Bearings and oil seals

CHAPTER FIVE, CARBURETORS
Carburetor operation, Overhaul, Adjustment, Miscellaneous carburetor problems

CHAPTER SIX, ELECTRICAL SYSTEM
Flywheel magneto, Capacitor discharge ignition, Ignition coil, Choke coil, Lights, Horn, Main switch, Battery

CHAPTER SEVEN, CHASSIS SERVICE
Wheels, Rear sprocket, Brakes, Front fork, Steering head, Rear suspension, Drive chain

APPENDIX 1, SPECIFICATIONS

INDEX

SUPPLEMENT FOR UNITED KINGDOM