QUICK REFERENCE DATA
CHAPTER ONE / GENERAL INFORMATION
CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Starting the engine / Starting difficulties / Engine is difficult to start / Poor idle speed performance / Poor medium and high speed performance / Ignition system / Fuel system / Engine overheating / Engine / Engine noises / Cylinder leakage test / Clutch / Transmission / Front suspension and steering / Brakes
CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-ride inspection / Maintenance schedule / Tires and wheels / Lubrication / Periodic maintenance / Engine tune-up / Specifications
CHAPTER FOUR / ENGINE TOP END
Exhaust system / Camshaft / Cylinder head / Valves and valve components / Cylinder / Piston and piston rings / Specifications
CHAPTER FIVE / ENGINE LOWER END
Servicing engine in frame / Engine removal installation / Left crankcase cover / Camshaft chain and tensioner / Oil pump / Crankcase and crankshaft / Kickstarter / Specifications
CHAPTER SIX / CLUTCH AND PRIMARY DRIVE GEAR
Right crankcase cover / Clutch / Clutch release mechanism / Primary drive gear / Specifications
CHAPTER SEVEN / TRANSMISSION AND SHIFT MECHANISM
External shift mechanism / Transmission overhaul / Transmission inspection / Internal shift mechanism
CHAPTER EIGHT / FUEL SYSTEM
Carburetor / Float level / Carburetor adjustments / Fuel tank / Fuel valve / Crankcase breather system / Specifications
CHAPTER NINE / IGNITION SYSTEM
Capacitor discharge ignition / Flywheel / Stator plate assembly / Switches / Specifications
CHAPTER TEN / WHEELS, TIRES AND DRIVE CHAIN
Bike stand / Front wheel / Rear wheel / Wheel inspection / Front hub / Rear hub / Tire changing / Tire repairs / Sprocket replacement / Drive chain / Specifications
CHAPTER ELEVEN / FRONT SUSPENSION AND STEERING (XR50R AND CRF50F)
Handlebar / Steering head / Front fork / Specifications
CHAPTER TWELVE / FRONT SUSPENSION AND STEERING (XR70R AND CRF70F)
Handlebar / Steering head / Front fork / Specifications
CHAPTER THIRTEEN / REAR SUSPENSION
Shock absorber / Swing arm / Specifications
CHAPTER FOURTEEN / BRAKES
Front and rear brake / Front brake cable / Specifications
CHAPTER FIFTEEN / BODY
Retaining clips / Seat / Rear side cover / Specifications
INDEX
WIRING DIAGRAMS
