1978-1982 Yamaha IT250 / IT465H Owner's Service Manual
Full service documentation for the 1978-1982 Yamaha IT250 and IT465H models, covering all mechanical and electrical systems. Ref: 29V-28199-70, 51.4-23199-20
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Models Covered & Key Technical Specifications
Yamaha IT250 / IT465H (29V-28199-70 / 51.4-23199-20) Manual: 1978-1982
Consolidated Guide Library | Series Dossier. Prescribed Thermal Rating: 90°C – 120°C (194° – 248°F) establishes the maximum operational temperature Range. Standard Feed Speed: Always maintain the correct tire pressure: 200 mm (7.9 in) defines the optimal tire circumference Norms. Maximum Footprint Data: 30 Nm (3.0 kg·m, 22 ft·lb) -- signifies the recommended torque for the rear sprocket installation Bounds. System Securement Values: The machine must be stored for 60 days or more requires some preventive procedures to ensure against deterioration Topology. Calibrated Clearance Data: 0.008 in (0.20 mm) represents the maximum allowable piston ring gap Matrix. Nominal Climate Parameters: Not recommended to operate in extreme cold; refer to the manual for specific climate operation Standards.
Professional Workshop Service Manual & Technical Specifications
Yamaha IT250 / IT465H Owner's Service Manual: 1978-1982 Models Troubleshooting-Index
Model-Portfolio: IT250 / IT465H // Validation-Data: Bike / Motorcycle Logic // Model-Portfolio: 1978-1982.
| Performance-Element | System-Path | Framework |
|---|---|---|
| Engine Type | 2-stroke, gasoline, torque induction | Air Cooled |
| Displacement | 246 cm³ (15.0 cu in) | 465 cm³ (28.37 cu in) |
| Starter System | Primary kick | Kick starter |
| Oil Grade | Yamalube "R", Castrol R30 / A545 | Yamalube 4-stroke oil / SAE 10W/30 "SE" motor oil |
Technical chapters are organized around:
- GENERAL INFORMATION
- REGULAR MAINTENANCE AND ADJUSTMENTS
- ENGINE MAINTENANCE AND REPAIR
- CHASSIS MAINTENANCE AND REPAIR
- ELECTRICAL TROUBLESHOOTING
Reliably requiring adherence to specifications, this manual documents procedures for maintenance, disassembly, assembly, and repair of the Yamaha IT250 and IT465H models. It includes detailed diagrams, troubleshooting guides, and specifications to ensure proper function. Careful attention to detail ensures longevity and optimal performance of your machine.
This manual documents torque specifications for critical engine and chassis components to ensure proper axial load stability.
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