The Honda CB 650 RC (reduced effect) motorcycle specifications include a 627 cc (38.26 cu in) engine, power of 50 hp (36.5 kW) @ 8,000 rpm, a 5-speed gearbox, and a listed weight of 220 kg (485 lb).
Key specifications
The 1982 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Honda CB 650 RC (reduced effect) compares
This compares the motorcycle with all Honda models in this specifications database. The blue marker is this model and the grey line is the Honda database average.
About 8% lower than the Honda database average. Around the 57th percentile across Honda models.
About 11% higher than the Honda database average. Around the 62nd percentile across Honda models.
About 11% heavier than the Honda database average. Around the 65th percentile across Honda models.
Very close to the Honda database average. Around the 56th percentile across Honda models.
Honda database percentile rankings
Percentiles show where this motorcycle sits across the Honda specifications database. They are descriptive database rankings, not performance ratings.
50 hp — more powerful than about 57% of Honda models with power data.
627 cc — larger displacement than about 62% of Honda models.
220 kg — heavier than about 65% of Honda models, or lighter than about 35%.
14 L — larger than about 56% of Honda fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.50-19 |
|---|---|
| Rear tire size | 130 90-16 |
| Power-to-weight ratio | 0.227 hp/kg |
| Power-to-weight | 227.3 hp/tonne |
| Specific power | 79.7 hp/L |
| Bore/stroke ratio | 1.07:1 (Oversquare) |
Model information
| Category | Custom / cruiser |
|---|
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 627 cc (38.26 cu in) |
| Power | 50 hp (36.5 kW) @ 8,000 rpm |
| Bore × stroke | 59.8 x 55.8 mm (2.4 x 2.2 inches) |
| Compression ratio | 9.0:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Overhead Cams (OHC) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Rear brakes | Expanding brake |
|---|---|
| Front tire | 3.50-19 |
| Rear tire | 130 90-16 |
Dimensions and weight
| Wet weight | 220 kg (485 lb) |
|---|
Fuel and emissions
| Fuel capacity | 14.00 L (3.70 US gal) |
|---|
Performance
| Top speed | 175.0 km/h (108.7 mph) |
|---|
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Honda models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Honda information before relying on them. Visit the official Honda website.