Honda EF Engine
This page lists the EF specifications for the engine built by Honda.
| Fuel Type | Petrol |
|---|---|
| Configuration |
I4 CVCC |
| Combustion Type | Naturally Aspirated |
| Displacement (cc) | 1,599 cc |
| Cylinders | 4 |
| Cylinder Bore (mm) | 74 mm |
| Cylinder Stroke (mm) | 93 mm |
| Valves | 12 |
| Valves Per Cylinder | 3 |
| Valvetrain | SOHC |
| Compression Ratio | 8:1 |
| Power (kW) | 60 kW @ 5,300 RPM |
| Torque (N⋅m) | 121 N⋅m @ 3,000 RPM |
| Redline (RPM) | |
| Weight (kg) | |
| Production | 1976 - 1978 |
Where listed, power output figures are based on the most powerful production variant of that engine, because some manufacturers use different engine maps to tune the same engine for better fuel economy, performance or to differentiate models in the range.
Six port cylinder head (four intake ports and two exhaust ports)
Valve Order: IEEIIEEI
1976 and 177 models had a manual choke with later models using an automatic choke.
Last Updated: 2nd February 2021 at 07:51:52