Honda CB750 Engine Specs
The Honda CB750 is a legendary motorcycle that has left an indelible mark on the motorcycle industry. One of the key factors that contributed to its success is its powerful and reliable engine. In this article, we will delve into the engine specifications of the Honda CB750, including its configuration, oil specs, and service intervals.
Engine Configuration
The engine configuration of the Honda CB750 is a four-cylinder, four-stroke engine. It features an inline layout, meaning that all four cylinders are arranged in a straight line. This configuration provides several advantages, including smooth power delivery, compact size, and balanced performance.
The displacement of the CB750 engine is 736cc, which refers to the total volume of all four cylinders. This displacement allows the engine to produce a healthy amount of power and torque, making it suitable for both city commuting and highway cruising.
Engine Oil Specs
Proper engine oil is crucial for maintaining the performance and longevity of any engine, including the Honda CB750. Here are the recommended engine oil specifications for the CB750:
- Oil Type: The CB750 engine requires a high-quality, four-stroke motorcycle engine oil. It is recommended to use oil with a viscosity rating of 10W-40 or 20W-50, depending on the climate and riding conditions.
- Oil Capacity: The CB750 engine has an oil capacity of approximately 3.5 liters (3.7 quarts). It is important to check the oil level regularly and top it up as needed.
- Oil Filter: Along with regular oil changes, it is essential to replace the oil filter. The CB750 uses a spin-on type oil filter, which should be replaced every time the oil is changed.
Service Intervals
To keep the Honda CB750 engine running smoothly, it is crucial to adhere to the recommended service intervals. Regular maintenance ensures optimal performance and extends the engine’s lifespan. Here are the recommended service intervals for the CB750:
- Oil Change: The engine oil should be changed every 3,000 to 5,000 miles or every six months, whichever comes first. Regular oil changes help remove contaminants and keep the engine lubricated.
- Oil Filter Replacement: As mentioned earlier, the oil filter should be replaced every time the oil is changed. This ensures that the engine is protected from harmful particles and debris.
- Spark Plug Replacement: The spark plugs should be replaced every 8,000 to 12,000 miles or every two years. Fresh spark plugs ensure efficient combustion and smooth engine operation.
- Air Filter Cleaning/Replacement: The air filter should be cleaned or replaced every 6,000 to 8,000 miles or once a year. A clean air filter allows for proper airflow and prevents engine damage.
- Valve Clearance Adjustment: The valve clearance should be checked and adjusted every 8,000 to 12,000 miles or every two years. Proper valve clearance ensures optimal engine performance and reduces the risk of valve damage.
Detailed Engine Specifications
To provide a comprehensive overview of the Honda CB750 engine, here is a detailed specifications chart:
| Engine Type | Four-cylinder, four-stroke |
|---|---|
| Displacement | 736cc |
| Compression Ratio | 9:1 |
| Max Power | 67 horsepower |
| Max Torque | 49 lb-ft |
| Fuel System | Four Keihin carburetors |
| Ignition System | Transistorized |
| Starter | Electric |
| Transmission | 5-speed |
| Final Drive | Chain |
In conclusion, the Honda CB750 engine is a remarkable piece of engineering that offers a perfect balance of power, reliability, and performance. By following the recommended engine oil specs and service intervals, CB750 owners can ensure that their motorcycles continue to provide an exhilarating riding experience for years to come.
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