1974-1980 Yamaha XS650 Service Manual

Diagnostic procedures and component service for the Yamaha XS650, 1974-1980. Covers paper handling and control panel diagnostics. PN C4077-90960.

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Document Details

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Document Number / Seller:
30099 / Patrick Phillips
File Size:
15.26 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Jul 6, 2025

Models Covered & Key Technical Specifications

Yamaha XS650 (1974-1980) (Part Number: C4077-90960) Technical Resolution Data: 1200 dpi establishes the maximum print output Architecture. Specific Temperature Range: For optimal operation, 15-30C defines the environmental limit Framework. Essential Power Rating: 450 W -- signifies the active printing consumption Threshold. Advanced Memory Capacity: The formatter board requires 64 MB for standard operation Logic. Core Speed Performance: Maximum throughput reaches 25 ppm Parameters. Rated Clamp Forces: 20 N-m ensure proper component seating Topology.

Professional Workshop Service Manual & Technical Specifications

Reference-Grade Factory Workshop Manual: Bike 1974-1980 Yamaha XS650 service manual Repair-Index

Operational-Framework: XS650 / Yamaha Motor Corp., Ltd // Series-Validation: Bike / Motorcycle Logic // Operational-Framework: 1974-1980 Identifier Rating Context
Engine Type Air-cooled, 4-stroke, SOHC twin, parallel forward incline Engine Design
Displacement 653 cc (39.85 cu.in) Engine Displacement
Bore x Stroke 75 x 74 mm (2.953 x 2.913 in) Engine Bore/Stroke
Compression Ratio 8.5 : 1 Engine Compression
Ignition System Battery ignition Ignition System Type
Lubrication System Wet sump Lubrication Method

Reference chapters include:

  • General Information
  • Periodic Inspection and Adjustment
  • Engine Overhaul
  • Carburetion
  • Chassis
  • Electrical Transmission service information covers the various gears, shafts, and components of the transmission system. HVAC system procedures are included for the air filter and carburetor systems, ensuring optimal air-fuel mixture. Torque specifications are documented for critical engine and chassis fasteners to ensure proper assembly and prevent component damage. Parts identification is covered for all major systems, including the electrical, engine, and chassis components, aiding in accurate part sourcing. Removal procedures are documented for major assemblies such as the engine, front fork, and rear wheel, facilitating systematic disassembly.

FAQ

What **calibrated** values are required for the ignition system architecture? keyboard_arrow_down

3.9Ω ± 10% at 20°C (68°F) is the primary coil resistance value for the ignition system.

Assess the **applicable** tool requirements for engine removal. keyboard_arrow_down

A "TORX" socket (P/NO. 90890-01308-00) is required for tightening the pick-up coil securing bolts and shearing off the bolt head.

What **exact** electrical values are specified for the starter motor? keyboard_arrow_down

The starter motor has an output of 0.5 kW and an amperage rating of 100A for its starter switch.

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Reviews (3)

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New
The manual covers everything you need for the XS650. I had a question about the electrical system troubleshooting, and I received a quick response from support. They were very helpful!
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Rated 5 out of 5 stars
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New
This service manual is a lifesaver for maintaining my Yamaha XS650. The diagrams are clear and the instructions are detailed. The download process was smooth and I received the link in my email instantly! Highly recommend!