The Honda CB 450 K 1 motorcycle specifications include a 445 cc (27.15 cu in) engine, power of 41 hp (29.9 kW) @ 8,500 rpm, a 5-speed gearbox, and a listed weight of 197 kg (434.3 lb).
Key specifications
The 1970 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Honda CB 450 K 1 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 24% lower than the Honda database average. Around the 45th percentile across Honda models.
About 21% lower than the Honda database average. Around the 45th percentile across Honda models.
Very close to the Honda database average. Around the 51st 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.
41 hp — more powerful than about 45% of Honda models with power data.
445 cc — larger displacement than about 45% of Honda models.
197 kg — heavier than about 51% of Honda models, or lighter than about 49%.
14 L — larger than about 56% of Honda fuel tanks in this database.
Mechanical overview
Additional useful specifications
| Front tire size | 3.25-18 |
|---|---|
| Rear tire size | 3.50-18 |
| Power-to-weight ratio | 0.208 hp/kg |
| Power-to-weight | 208.1 hp/tonne |
| Specific power | 92.1 hp/L |
| Bore/stroke ratio | 1.21:1 (Oversquare) |
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 445 cc (27.15 cu in) |
| Power | 41 hp (29.9 kW) @ 8,500 rpm |
| Bore × stroke | 70.0 x 57.8 mm (2.8 x 2.3 inches) |
| Compression ratio | 9.0:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
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 | 3.50-18 |
Dimensions and weight
| Wet weight | 197 kg (434.3 lb) |
|---|
Fuel and emissions
| Fuel capacity | 14.00 L (3.70 US gal) |
|---|
Performance
| Top speed | 169.0 km/h (105.0 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.