The Honda CM 250 C motorcycle specifications include a 234 cc (14.28 cu in) engine, power of 17 hp (12.4 kW) @ 7,500 rpm, a 5-speed gearbox, and a listed weight of 144 kg (317.5 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 CM 250 C 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 69% lower than the Honda database average. Around the 27th percentile across Honda models.
About 58% lower than the Honda database average. Around the 29th percentile across Honda models.
About 27% lighter than the Honda database average. Around the 32nd percentile across Honda models.
About 11% smaller than the Honda database average. Around the 43rd 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.
17 hp — more powerful than about 27% of Honda models with power data.
234 cc — larger displacement than about 29% of Honda models.
144 kg — heavier than about 32% of Honda models, or lighter than about 68%.
12 L — larger than about 43% of Honda fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.25-18 |
|---|---|
| Rear tire size | 110/90-16 |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 16 in |
| Power-to-weight ratio | 0.118 hp/kg |
| Power-to-weight | 118.1 hp/tonne |
| Specific power | 72.6 hp/L |
| Bore/stroke ratio | 1.00:1 (Square) |
Model information
| Category | Classic |
|---|
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 234 cc (14.28 cu in) |
| Power | 17 hp (12.4 kW) @ 7,500 rpm |
| Bore × stroke | 53.0 x 53 mm (2.1 x 2.1 inches) |
| Compression ratio | 9.4:1 |
| 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
| Front brakes | Expanding brake |
|---|---|
| Rear brakes | Expanding brake |
| Front tire | 3.25-18 |
| Rear tire | 110/90-16 |
Dimensions and weight
| Wet weight | 144 kg (317.5 lb) |
|---|
Fuel and emissions
| Fuel capacity | 12.00 L (3.17 US gal) |
|---|
Performance
| Top speed | 106.0 km/h (65.9 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.