Honda G65/G80 Engines Service Manual
Service and repair information for Honda G65 and G80 engines, covering specifications, performance curves, dimensions, maintenance, and troubleshooting. Part numbers like 07935-8050001 are referenced.
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Honda G65 & G80 Engine Service Manual
Honda G65/G80 (November, 1975) | Gasoline Engine Series. Documentation.
- Established Load Capacity: 8.0 PS at 4,000 rpm is the maximum output for the G80 model.
- Operational Environmental Range: Forced air cooling is utilized to maintain optimal operating temperatures across varying conditions.
- Essential Power Rating: 6.8 PS at 4,000 rpm signifies the maximum output for the G65 model.
- Baseline Fuel Consumption: 300 g/PS-H indicates the fuel efficiency under standard operating loads.
- Approved Ignition Timing: 25° BTDC is the fixed ignition timing specification for consistent engine performance.
- Measured Lubricant Capacity: 0.82 L (1.7 U.S. pt.) is the required lubricant volume for the G 65 model's splash lubrication system.
Professional Workshop Service Manual & Technical Specifications
Honda G65 & G80 Engine Service Manual: Comprehensive Maintenance & Repair Procedures
Model-Portfolio: Honda G65, G80 // Performance-Values: Gasoline / Engine Logic // Model-Portfolio: 1975 Technical-Data.
OEM specifications cover engine systems, component procedures, and maintenance schedules for the Honda G65 and G80 gasoline engines. This manual details disassembly and assembly for critical engine parts such as the cylinder head, crankshaft, and starting motor. It also provides diagnostic flowcharts for troubleshooting common issues like hard starting and lack of power.
| Assessment-Element | Rating | Validation-Data |
|---|---|---|
| Engine Oil | Inspection & Renewal | P.34 |
| Fuel Strainer | Cleaning | P.15 |
| Air Cleaner | Inspection & Cleaning | P.16 |
| Spark Plug | Cleaning/Adjustment | P.31, P.32 |
| Ignition Timing | Inspection/Adjustment | P.27 |
| Tappet Clearance | Inspection/Adjustment | P.31, P.33 |
| Combustion Chamber | Cleaning inc. Valve Lapping | P.32, P.33 |
| Fuel Tube | Replacement | P.18 |
| Speed Reduction Gear Oil | Inspection & Renewal | P.42, P.43 |
| Electrolyte Level (Starting Motor Equip. Model) | Inspection | P.46 |
Engine rebuild procedures are documented for various components, including the cylinder head and valves, detailing their proper disassembly and assembly. Drivetrain specifications are addressed in sections covering the crankshaft, camshaft, and reduction units, with diagrams for installation.
Technically requiring proper assembly stress control, the manual documents torque specifications for critical components such as the fuel tank and cylinder head to ensure proper assembly stress control. This ensures the longevity and safe operation of the engine.
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