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Yamaha YZ 50-80-85-125-175-250-490 service & repair manuals

A repair manual for your Yamaha YZ 50, YZ 80, YZ 85, YZ 125, YZ 175, YZ 250 or YZ 490? Here are shop manuals for DIY service and repairs on Yamaha motorbikes. Get step-by-step instructions for maintenance, troubleshooting, and parts replacement.

Are you also looking for parts or accessories for your Yamaha? Then try our Parts Finder.

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.

Product details

Details:352 pages, 25.5 x 18 x 1.6 cm / 10 x 7.1 x 0.63 in, paperback
Illustrations:numerous photos and drawings
Publisher:Clymer (USA, 1985)
Series:Clymer Motorcycle Service and Repair Manual (M413)
ISBN:9780892873296

More information about Clymer Repair Manuals

Yamaha YZ 100-125-175-250-400-465-490 Monoshock (1976-1984) | Clymer Motorcycle Service and Repair Manual (M413)

Yamaha YZ 100-125-175-250-400-465-490 Monoshock (1976-1984)

Language: English

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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.

Product details

Details:488 pages, 26 x 18 x 2.3 cm / 10.25 x 7.1 x 0.91 in, paperback
Illustrations:numerous photos and drawings
Publisher:Clymer (USA, 1994)
Series:Clymer Motorcycle Service and Repair Manual (M391)
ISBN:9780892876181

More information about Clymer Repair Manuals

Yamaha YZ 125-250 (1988-1993), WR 250Z (1991-1993) | Clymer Motorcycle Service and Repair Manual (M391)

Yamaha YZ 125-250 (1988-1993), WR 250Z (1991-1993)

Language: English

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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.

Product details

Details:272 pages, 26 x 18 x 1.4 cm / 10.25 x 7.1 x 0.55 in, paperback
Illustrations:numerous photos and drawings
Publisher:Clymer (USA, 1994)
Series:Clymer Motorcycle Service and Repair Manual (M390)
ISBN:9780892876099

More information about Clymer Repair Manuals

Yamaha YZ 125-250 (1985-1987), YZ 490 (1985-1990) | Clymer Motorcycle Service and Repair Manual (M390)

Yamaha YZ 125-250 (1985-1987), YZ 490 (1985-1990)

Language: English

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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.

Product details

Author:Alan Ahlstrand, John H Haynes
Details:208 pages, 27 x 21 x 1 cm / 10.6 x 8.25 x 0.39 in, paperback
Illustrations:hundreds of photos and drawings
Publisher:Haynes Publishing (GB, 2007)
Series:Haynes Owners Workshop Manual (2662)
ISBN:9781563926624

More information about Haynes Repair Manuals

Yamaha YZ 80, YZ 85, YZ 125, YZ 250 - 2-stroke Motocross Bikes (1986-2006) | Haynes Owners Workshop Manual (2662)

Yamaha YZ 80, YZ 85, YZ 125, YZ 250 - 2-stroke Motocross Bikes (1986-2006)

Language: English

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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.

Product details

Details:168 pages, 26 x 18 x 1 cm / 10.25 x 7.1 x 0.39 in, paperback
Illustrations:numerous photos and drawings
Publisher:Clymer (USA, 1981)
Series:Clymer Motorcycle Service and Repair Manual (M410)
ISBN:9780892872350

More information about Clymer Repair Manuals

Yamaha 80-175 cc Piston Port - AT, CT, DT, GT, MX, YZ (1968-1976) | Clymer Motorcycle Service and Repair Manual (M410)

Yamaha 80-175 cc Piston Port - AT, CT, DT, GT, MX, YZ (1968-1976)

Language: English

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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.

Product details

Details:368 pages, 26 x 18 x 2 cm / 10.25 x 7.1 x 0.79 in, paperback
Illustrations:numerous photos and drawings
Publisher:Clymer (USA, 1992)
Series:Clymer Motorcycle Service and Repair Manual (M393)
ISBN:9780892874958

More information about Clymer Repair Manuals

Yamaha YZ 50-80 Monoshock (1978-1990) | Clymer Motorcycle Service and Repair Manual (M393)

Yamaha YZ 50-80 Monoshock (1978-1990)

Language: English

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

NEW

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.

Product details

Details:410 pages, 28 x 21.5 x 2.4 cm / 11 x 8.5 x 0.94 in, paperback
Illustrations:numerous photos and drawings
Publisher:Cyclepedia Press LLC (USA, 2025)
Series:Cyclepedia Motorcycle Service Manual (CPP-294)
ISBN:9798307407141
Yamaha YZ 125 - Two-Stroke (2005-2021) | Cyclepedia Motorcycle Service Manual (CPP-294)

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

Language: English

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Yamaha YZ 85 (2002-2018)

NEW

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.

Product details

Details:236 pages, 28 x 21.5 x 1.4 cm / 11 x 8.5 x 0.55 in, paperback
Illustrations:numerous photos and drawings
Publisher:Cyclepedia Press LLC (USA, 2025)
Series:Cyclepedia Motorcycle Service Manual (CPP-185)
ISBN:9798307603970
Yamaha YZ 85 (2002-2018) | Cyclepedia Motorcycle Service Manual (CPP-185)

Yamaha YZ 85 (2002-2018)

Language: English

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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 [0512] Yamaha Enduro Trail Bikes - 100, 125, 175 (1)

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.

Product details

Details:124 pages, 28 x 21 cm / 11 x 8.25 in, paperback
Illustrations:numerous photos and drawings
Publisher:Bucheli Verlag (CH, 2017)
Series:Bucheli Reparaturanleitung (512)
ISBN:9783716813386

More information about Bucheli repair manuals

Yamaha Enduro Trail Bikes - Modelle 100, 125, 175 cm³ | Bucheli Reparaturanleitung (512)

Yamaha Enduro Trail Bikes - Modelle 100, 125, 175 cm³

Language: German

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Yamaha parts

Parts and accessories for your Yamaha

Through these links you can find not only service and replacement parts, but also various practical and useful accessories for your Yamaha YZ.

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Related titles:

Yamaha YZ & WR 4-stroke Motocross & Off-road Bikes (1998-2008) | Haynes Service & Repair Manual (2689)

Yamaha YZ & WR 4-stroke Motocross & Off-road Bikes (1998-2008)

Alan Ahlstrand | English | paperback | 224 p. | 2015

Yamaha DT-MX-RT-YZ 250-400 cc Piston Port (1968-1976) | Clymer Motorcycle Service and Repair Manual (M415)

Yamaha DT-MX-RT-YZ 250-400 cc Piston Port (1968-1976)

English | paperback | 168 p. | 1981

Yamaha YZ 400F, YZ 426F/ WR 400F, WR 426F (1998-2002) | Clymer Motorcycle Service and Repair Manual (M491-2)

Yamaha YZ 400F, YZ 426F/ WR 400F, WR 426F (1998-2002)

English | paperback | 376 p. | 2004

Yamaha YZ 125 (1994-2001) | Clymer Motorcycle Service and Repair Manual (M497-2)

Yamaha YZ 125 (1994-2001)

English | paperback | 456 p. | 2002

Yamaha YZ 250F & WR 250F (2001-2003) | Clymer Motorcycle Service and Repair Manual (M406)

Yamaha YZ 250F & WR 250F (2001-2003)

English | paperback | 456 p. | 2003

Yamaha YZ 125 - Two Stroke (1998-2004) | Cyclepedia Motorcycle Service Manual (CPP-160)

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Yamaha YZ 125 - Two Stroke (1998-2004)

English | paperback | 301 p. | 2024

Yamaha YZ 250 - Two-Stroke (2005-2021) | Cyclepedia Motorcycle Service Manual (CPP-290)

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Yamaha YZ 250 - Two-Stroke (2005-2021)

English | paperback | 366 p. | 2024

Yamaha YZ 250 F - Four Stroke (2006-2009) | Cyclepedia Motorcycle Service Manual (CPP-166)

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Yamaha YZ 250 F - Four Stroke (2006-2009)

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Yamaha YZ 250 F - Four-Stroke (2010-2013) | Cyclepedia Motorcycle Service Manual (CPP-299)

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Years covered: 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006