Honda B20B3 Engine Specs
The Honda B20B3 engine is a four-cylinder, naturally aspirated engine that was produced by Honda from 1996 to 2001. It belongs to the B-series family of engines, which are known for their durability and performance. The B20B3 engine was primarily used in Honda CR-V models during its production period.
Engine Configuration
The Honda B20B3 engine has a displacement of 2.0 liters, or 1,973 cc. It features a bore and stroke of 84 mm x 89 mm, resulting in a compression ratio of 8.8:1. The engine is equipped with a single overhead camshaft (SOHC) configuration, with four valves per cylinder. It utilizes Honda’s Programmed Fuel Injection (PGM-FI) system for efficient fuel delivery.
The B20B3 engine is constructed with an aluminum alloy block and cylinder head, which helps to reduce weight and improve heat dissipation. It also features a cast-iron crankshaft and connecting rods for enhanced durability. The engine is designed to operate on regular unleaded gasoline.
Engine Oil Specs & Service Intervals
Proper engine oil selection and regular maintenance are crucial for the longevity and performance of the Honda B20B3 engine. Here are the recommended engine oil specifications and service intervals:
- Engine Oil Type: It is recommended to use a high-quality, synthetic or mineral-based engine oil with a viscosity grade of 5W-30 or 10W-30. The oil should meet the API (American Petroleum Institute) service classification of SJ or higher.
- Oil Capacity: The B20B3 engine has an oil capacity of approximately 4.2 liters (including the oil filter).
- Oil Change Interval: It is recommended to change the engine oil and oil filter every 5,000 miles or 6 months, whichever comes first. However, for severe driving conditions, such as frequent short trips or towing, more frequent oil changes may be necessary.
Regular oil changes help to remove contaminants and maintain proper lubrication within the engine, reducing the risk of premature wear and damage. It is important to follow the manufacturer’s recommendations for oil type, capacity, and change intervals to ensure optimal engine performance and longevity.
Detailed Engine Specifications
| Engine Type | Four-cylinder, naturally aspirated |
|---|---|
| Displacement | 2.0 liters (1,973 cc) |
| Bore x Stroke | 84 mm x 89 mm |
| Compression Ratio | 8.8:1 |
| Valvetrain | SOHC, 4 valves per cylinder |
| Fuel System | Programmed Fuel Injection (PGM-FI) |
| Block Material | Aluminum alloy |
| Cylinder Head Material | Aluminum alloy |
| Crankshaft Material | Cast iron |
| Recommended Oil Type | 5W-30 or 10W-30, API SJ or higher |
| Oil Capacity | Approximately 4.2 liters (including filter) |
| Oil Change Interval | Every 5,000 miles or 6 months |
The Honda B20B3 engine offers a balance of performance and reliability, making it a popular choice among Honda enthusiasts. By following the recommended engine oil specifications and service intervals, owners can ensure that their B20B3 engine continues to deliver optimal performance for years to come.
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