1978 Suzuki SP370 Motorcycle Service Manual
Suzuki SP370 technical guide detailing component specifics and repair procedures. Includes data for engine, transmission, and chassis systems. Part number 99000-32040 for thread lock cement.
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Models Covered & Key Technical Specifications
Suzuki SP370 (99000-32040) - 1978
Functional Blueprint for Engine | Suzuki Motorcycle Bundle.
- Prescribed Power Draw: 1.0 – 1.4 mm (0.039 – 0.055 in.) is the standard valve stem wear Tolerance.
- Documented Ambient Limits: For optimal operation, 15 – 30°C (59 – 86°F) defines the environmental limit Framework.
- Maximum Feed Speed: 500 miles (800 km) -- signifies the initial break-in requirement Threshold.
- System Circuit Specs: The electrical system requires 6V/7W for the tail/brake light wattage Logic.
- Technical Volume Data: 2.0 – 3.0 kg-m (14.5 – 21.5 lb-ft) is measured at the rear brake pivot bolt Standards.
- Advanced Circuit Specs: For proper function, the rear brake linkage requires 3.5 – 5.0 kg-m (25.5 – 36.0 lb-ft) Protocol.
Professional Workshop Service Manual & Technical Specifications
Factory-Level Engineering Calibration Manual: Motorcycle Suzuki SP370 1978 - Precision Maintenance & Repair Guide Procedure-Database
Diagnostic-Area: SP370 // Performance-Values: 1978 / Motorcycle Logic // Diagnostic-Area: Manuals.
TOP of description
| Component | Rating | Calibration-Data |
|---|---|---|
| Ignition Timing | 10° BTDC, 3500 rpm | 0.6 – 0.7 mm (0.024 – 0.028 in.) |
| Spark Plug Gap | NGK D8EA | 0.6 – 0.7 mm (0.024 – 0.028 in.) |
| Front Brake Drum Dia. | 150 mm | 5.906 in. |
| Rear Brake Drum Dia. | 150 mm | 5.906 in. |
| Tire Size | Front 4.00-18 4PR | Rear 4.00-18 4PR |
| Battery Specs | 6V 4Ah | 1.260 at 20°C |
Reference chapters include:
- General Information
- Periodic Maintenance
- Electrical System
- Chassis
- Flow Chart
Service intervals are documented for the entire motorcycle. Component locations are identified for critical systems like the engine and fuel system. Service procedures are documented for disassembly and reassembly of major components, including the engine and transmission. Calibration requirements are specified for carburetor adjustments and ignition timing. Electrical system documentation covers wiring diagrams and component testing.
The manual documents torque specifications for critical engine and chassis fasteners to ensure proper seal compression uniformity.
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