Yamaha YZ 50-80-85-125-175-250-490 Service & Repair Manuals

Yamaha YZ 125 - Two-Stroke (2005-2021)

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Cyclepedia workshop manual for maintenance and repair of the Yamaha YZ 125 motorcycles.

Model years: 2005-2021.

This 410-page repair manual includes clear step-by-step instructions, supplemented with detailed b/w photos, drawings and wiring diagrams. Comprehensive information on work on the engine, transmission, fuel system, suspension, brakes and electrical components.

The main chapters of this Cyclepedia workshop manual for Yamaha YZ 125 2-stroke motorcycles are:

• Engine (2-stroke) - block, crankshaft and cylinder head
• Fuel and exhaust system - adjustment, fuel tank and exhaust
• Transmission - clutch, gearbox and final drive
• Electrical system - charging system, ignition, lighting and comprehensive wiring diagrams
• Chassis and suspension - front fork, rear swing arm, steering and shock absorbers
• Brakes and wheels - front and rear brake systems, bearings, adjustment and inspection
• Periodic maintenance - inspection, filters and oil change
• Adjustments and troubleshooting.

This manual is an indispensable service guide for anyone who performs maintenance, repairs, overhauls or restorations on Yamaha motorcycles. All specifications, maintenance schedules and tightening torques are clearly summarised for quick reference.

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Yamaha YZ 85 (2002-2018)

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Cyclepedia workshop manual for maintenance and repair of the Yamaha YZ 85 motorcycles.

Model years: 2002-2018.

This 236-page repair manual includes clear step-by-step instructions, supplemented with detailed b/w photos, drawings and wiring diagrams. Comprehensive information on work on the engine, transmission, fuel system, suspension, brakes and electrical components.

The main chapters of this Cyclepedia workshop manual for Yamaha YZ 85 motorcycles are:

• Engine - block, crankshaft and cylinder head
• Fuel and exhaust system - adjustment, fuel tank and exhaust
• Transmission - clutch, gearbox and final drive
• Electrical system - charging system, ignition, lighting and comprehensive wiring diagrams
• Chassis and suspension - front fork, rear swing arm, steering and shock absorbers
• Brakes and wheels - front and rear brake systems, bearings, adjustment and inspection
• Periodic maintenance - inspection, filters and oil change
• Adjustments and troubleshooting.

This manual is an indispensable service guide for anyone who performs maintenance, repairs, overhauls or restorations on Yamaha motorcycles. All specifications, maintenance schedules and tightening torques are clearly summarised for quick reference.

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Yamaha YZ 80, YZ 85, YZ 125, YZ 250 - 2-stroke Motocross Bikes (1986-2006) | Haynes Owners Workshop Manual

Haynes Owners Workshop Manual for the 2-stroke Yamaha crossmotoren:
- YZ 80 (80 cc, 1986-2001)
- YZ 80LW (80 cc, 1993-2001)
- YZ85 (85 cc, 2002-2006)
- YZ85 LW (85 cc, 2002-2006)
- YZ125 (125 cc, 1986-2006)
- YZ250 (250 cc, 1986-2006).

This Haynes manual for the Yamaha YZ 80, YZ 85, YZ 125 and YZ 250 off-road motorcycles provides photos and detailed step-by-step instructions for maintenance and repair of the 2-stroke engines, the clutch and the gearbox.
The cooling system, fuel system, ignition, exhaust, steering, suspension, brakes, final drive, and electrical system are also described.

• Based on a complete strip-down and rebuild.
• Includes a maintenance schedule, adjustment data, torque wrench settings, and troubleshooting tables.
• Clear and detailed wiring diagrams for easy reference.

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Yamaha YZ 125-250 (1985-1987), YZ 490 (1985-1990) | Clymer Service and Repair Manual

Clymer Manual for maintenance and repair of the Yamaha motorcycles:
- YZ125 (1985-1987)
- YZ250 (1985-1987)
- YZ490 (1985-1990).

This Clymer manual for Yamaha YZ 125, YZ 250 and YZ 490 off-road motorcycles describes service and repair of the engine, clutch and gearbox, the fuel and exhaust systems, the electrical system, and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

• Step-by-step instructions, many photos and drawings.
• Includes adjustment data, torque wrench settings, and troubleshooting tables.
• Clear wiring diagrams.

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Yamaha YZ 125-250 (1988-1993), WR 250Z (1991-1993) | Clymer Service and Repair Manual

Clymer Manual for maintenance and repair of the Yamaha motorcycles:
- YZ125 (1988-1993)
- YZ250 (1988-1993)
- YZ250WR (1989-1990)
- WR250Z (1991-1993).

This Clymer manual for Yamaha YZ 125, YZ 250, YZ 250WR and WR 250Z off-road motorcycles describes service and repair of the engine, clutch and gearbox, the fuel and exhaust systems, the electrical system, and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

• Step-by-step instructions, many photos and drawings.
• Includes adjustment data, torque wrench settings, and troubleshooting tables.
• Clear wiring diagrams.

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Yamaha YZ 50-80 Monoshock (1978-1990) | Clymer Service and Repair Manual

Clymer Manual for maintenance and repair of the Yamaha motorcycles:
- YZ50 (1980)
- YZ60 (1981-1982)
- YZ80 (1978-1990).

This Clymer manual for Yamaha YZ 50, YZ 60 and YZ 80 Monoshock off-road motorcycles describes service and repair of the engine, clutch and gearbox, the fuel and exhaust systems, the electrical system, and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

• Step-by-step instructions, many photos and drawings.
• Includes adjustment data, torque wrench settings, and troubleshooting tables.
• Clear wiring diagrams.

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Yamaha YZ 100-125-175-250-400-465-490 Monoshock (1976-1984) | Clymer Service and Repair Manual

Clymer Manual for maintenance and repair of the Yamaha motorcycles:
- YZ 100 (1976-1983)
- YZ 125 (1976-1984)
- YZ 175 (1976)
- YZ 250 (1976-1984)
- YZ 400 (1976-1979)
- YZ 465 (1980-1981)
- YZ 490 (1982-1984).

This Clymer manual for the Yamaha YZ100, YZ125, YZ175, YZ250, YZ400, YZ465 and YZ490 Monoshock motorcycles describes service and repair of the engine, clutch and transmission, the fuel and exhaust systems, the electrical system, and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

• Step-by-step instructions, many photos and drawings.
• Includes adjustment data, torque wrench settings and wiring diagrams.

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Yamaha 80-175 cc Piston Port - AT, CT, DT, GT, MX, YZ (1968-1976) | Clymer Service and Repair Manual

Clymer Manual for maintenance and repair of the Yamaha motorcycles:
- AT1 Series (1968-1970), AT2 Series (1972), AT3 (1973), ATMX (1973)
- CT1 Series (1969-1972), CT2 (1972), CT3 (1973)
- DT 100 (1974-1976), DT 125 (1974-1976), DT 175 (1974-1976)
- GT1 (1973), GT 80 A (1974-1976), GT 80 MXA (1974-1977), GTMX (1973-1974)
- MX 100 (1974-1975), MX 125 (1974-1976), MX 175 (1974-1975)
- YZ 80 (1974-1976), YZ 100 (1976), YZ 125 (1974-1976).

This Clymer manual for a wide range Yamaha off-road motorcycles from the 1960s and 70s describes service and repair of the engine, clutch and gearbox, the fuel and exhaust systems, the electrical system, and the cooling system.
Also covers the front suspension and steering system, the rear suspension and drivetrain, the brakes and the frame.

• Step-by-step instructions, many photos and drawings.
• Includes adjustment data, torque wrench settings, and troubleshooting tables.
• Clear wiring diagrams.

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Yamaha Enduro Trail Bikes - Modelle 100, 125, 175 cm³ | Bucheli Reparaturanleitung

Bucheli Reparaturanleitung for maintenance and repair of Yamaha Enduro Trail motorcycles.

Engines: 100, 125 and 175 cc.

Pages of the book "Yamaha Enduro Trail Bikes - Modelle 100, 125, 175 cm³"

This Bucheli repair manual for Yamaha Enduro Trail Bikes describes extensively work on the 100, 125 and 175 cc engines (block, cylinder head, fuel system, ignition, electric components, intake and exhaust).
Covers also the clutch, gearbox, drivetrain, suspension, front and rear brakes.

• Complete with technical specifications, torque wrench settings and troubleshooting tables.
• Clear wiring diagrams.
• German translation of the Haynes book "Yamaha Trail Bikes Owners Workshop Manual".
• Reprint of the 1st edition.

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