MOTORCYCLE SERVICE MANUAL

MODELS COVERED:

DR250 (1990-1993)
DR250S (1990-1994)
DR350 (1990-1994)
DR350S (1990-1994)

This Suzuki DR250 and DR350 motorcycle manual is 392 pages.

QUICK REFERENCE DATA

CHAPTER ONE / GENERAL INFORMATION
Manual organization / Notes, cautions and warnings / Service hints / Safety first / Washing the bike / Torque fasteners / Lubricants/ Expendable supplies / Parts replacement / Basic hand tools / Precision measring tools / Mechanic's tips / Riding safety / Specifications

CHAPTER TWO / TROUBLESHOOTING
Operating requirements / Troubleshooting instruments / Starting the engine / Starting difficulties / Engine performance / Engine noises / Excessive vibration / Clutch / Transmission / Ignition system / Front suspension and steering / Brakes / Specifications

CHAPTER THREE / LUBRICATION, MAINTENANCE AND TUNE-UP
Pre-checks / Tires and wheels / Lubricants / Battery / Periodic lubrication / Periodic maintenance / Engine oil and filter change / Oil strainer cleaning / Fork oil change / Control cable lubrication / Drive chain adjustment / Decompression lever / Spark arrestor cleaning / Valve clearance check adjustment / Carburetor Adjustment / Spark plugs / Engine tune-up / Storage / Specifications

CHAPTER FOUR / ENGINE TOP END
Engine principles / Servicing engine in frame / Cylinder head cover and rocker arms / Camshaft and tensioner / Cylinder head / Valves and valve components / Cylinder block / Camshaft chain guide and tensioner / Piston / Piston rings / Specifications

CHAPTER FIVE / ENGINE LOWER END
Servicing engine in frame / Engine / Starter clutch and reduction gears / Oil pump / Camshaft chain / Crankcase and crankshaft / Break-in procedure / Specifications

CHAPTER SIX / CLUTCH, KICKSTARTER AND EXTERNAL SHIFT MECHANISM
Clutch cover / Clutch / Clutch release mechanism / Primary drive gear and oil pump drive gear / Kickstarter / External shift mechanism / Clutch cable / Specifications

CHAPTER SEVEN / TRANSMISSION AND INTERNAL SHIFT MECHANISM
Transmission operation / Transmission overhaul / Internal shift mechanism / Specifications

CHAPTER EIGHT / FUEL, EXHAUST AND EMISSION CONTROL SYSTEMS
Carburetor service / Carburetor adjustments / Throttle cable replacement / Fuel shutoff valve / Exhaust system / Exhaust system repair / Evaporative emission control system / Crankcase ventilation control system / Specifications

CHAPTER NINE / ELECTRICAL SYSTEMS
Electrical troubleshooting / Charging system / Charging system / Alternator / Voltage regulator rectifier / Ignition system / Ignition coil / Spark plug / Starting system / Starter / Starter solenoid / Lighting system / Lighting system / Electrical components / Switches / Horn / Fuse / Specifications

CHAPTER TEN / FRONT SUSPENSION AND STEERING
Front wheel / Wheel spoke service / Front hub / Tire changing / Tire repairs / Handlebar / Steering head / Front fork / Specifications

CHAPTER ELEVEN / REAR SUSPENSION
Rear wheel / Wheel spoke service / Rear hub / Sprockets / Drive chain / Tire changing and tire repairs / Rear suspension / Shock absorber / Shock linkage / Swing arm / Specifications

CHAPTER TWELVE / BRAKES
Disc brake / Front brake pd replacement / Front brake caliper / Front master cylinder / Rear brake pad replacement / Rear brake caliper / Rear master cylinder / Brake hose replacement / Brake disc / Bleeding the system / Rear brake pedal / Specifications

CHAPTER THIRTEEN / FRAME AND BODY
Sidestand / Footpegs / Fenders / Seat / Frame / Specifications

INDEX

WIRING DIAGRAMS