1991 Yamaha XT225-C (D-G) Service Manual

Official Yamaha XT225-C (D-G) repair manual for 1991 models. Covers diagnostics, maintenance, and procedures. Lit-11616-XT-25.

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Document Details

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Document Number / Seller:
26192 / William Johnson
File Size:
39.27 MB
File Type:
PDF
Language:
English
Pages:
371
Printable:
Yes
Category:
Motorcycle
Last updated / verified
Feb 1, 2025

Models Covered & Key Technical Specifications

Yamaha XT225-C (D-G) (1991) Service Manual - Diagnostics & Service Procedures Official Yamaha XT225-C (D-G) Repair & Maintenance Manual | Series Sourcebook.

  • General Information Data: 11616-XT-25 is the primary document identifier Information.
  • Specifications Data: 223.21 cm3 represents the engine displacement Capacity.
  • Periodic Inspection Data: 3,100 mi is the recommended interval for basic maintenance Tasks.
  • Engine Overhaul Specs: 9.5:1 is the standard compression ratio for optimal performance.
  • Chassis Torque Specs: 70 Nm is required for the steering shaft and ring nut Securing.
  • Electrical Components Specs: 12V, 6AH denotes the battery capacity Rating.

Manual Description & Preview

Yamaha XT225-C (D-G) (1991) Service Manual: Yamaha XT225-C (D-G) Repair & Maintenance Manual 1991 - Diagnostics & Service Procedures Reference-Archive

Diagnostic-Area: XT225-C (D-G) // Technical-Benchmarks: Motorcycle / Engine Logic // Diagnostic-Area: 396 motorcycle.

Performance-Element Operational-Logic Calibration-Data
Engine Displacement 223.21 cm³ Bore: 70 x 58 mm
Compression Ratio 9.5:1 Standard Pressure: 1,200 kPa
Transmission Constant Mesh 6-Speed Gear Ratios: various specified
Front Brake Single Disc Pad Wear Limit: 0.8 mm
Rear Brake Drum Brake Shoe Spring Free Length: 50.5 mm
Ignition System CDI Timing Advance: 31°/6,000 rpm

Service procedures are grouped by:

  • General Information
  • Specifications
  • Periodic Inspection and Adjustment
  • Engine Overhaul
  • Carburetion
  • Chassis
  • Electrical
  • Troubleshooting

Rigorously requiring adherence to specifications, this manual details procedures for engine, chassis, and electrical systems. It documents torque specifications for the steering shaft to ensure proper gasket seal integrity.

FAQ

What **tools** are needed for carburetor adjustment procedures? keyboard_arrow_down

12 Nm (1.2 m•kg, 8.7 ft•lb) is the specified torque for the carburetor joint bolt, with a 2 Nm (0.2 m•kg, 1.4 ft•lb) torque for the securing screw.

Identify the **critical** brake fluid specifications. keyboard_arrow_down

DOT No.4 or DOT No.3 is the recommended brake fluid for the front brake system, critical for proper performance.

What **procedures** are required for drive chain slack adjustment? keyboard_arrow_down

35-45 mm (1.38-1.77 in) is the specified drive chain slack at both wheels on the ground without a rider, a key measurement for maintenance.

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