The Honda RC142 motorcycle specifications include a 124.7 cc (7.61 cu in) engine, power of 18.5 hp (13.5 kW) @ 14,000 rpm, a 6-speed gearbox, and a listed weight of 93 kg (205 lb).
Key specifications
How the Honda RC142 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 66% lower than the Honda database average. Around the 27th percentile across Honda models.
About 78% lower than the Honda database average. Around the 14th percentile across Honda models.
About 53% lighter than the Honda database average. Around the 8th 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.
18.5 hp — more powerful than about 27% of Honda models with power data.
125 cc — larger displacement than about 14% of Honda models.
93 kg — heavier than about 8% of Honda models, or lighter than about 92%.
Mechanical overview
Additional useful specifications
| Engine oil capacity | 2.00 L (2.11 US qt) |
|---|---|
| Power-to-weight ratio | 0.199 hp/kg |
| Power-to-weight | 198.9 hp/tonne |
| Specific power | 148.4 hp/L |
| Bore/stroke ratio | 1.07:1 (Oversquare) |
Model information
| Year released | 1959 |
|---|
Engine specifications
| Engine type | Twin, four-stroke |
|---|---|
| Displacement | 124.7 cc (7.61 cu in) |
| Power | 18.5 hp (13.5 kW) @ 14,000 rpm |
| Bore × stroke | 44.0 x 41 mm (1.7 x 1.6 inches) |
| Compression ratio | 10.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Carburettor. Flat-slided Keihins |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Magneto |
| Oil capacity | 2.00 L (2.11 US qt) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Chassis and suspension
| Frame | Open-cradle |
|---|---|
| Front suspension | Leading link forks |
| Rear suspension | Dual shocks |
Brakes, wheels and tires
| Front brakes | Expanding brake (drum brake) |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
Dimensions and weight
| Wet weight | 93 kg (205 lb) |
|---|---|
| Dry weight | 87 kg (191.8 lb) |
| Wheelbase | 1,270 mm (50.0 inches) |
Performance
| Top speed | 209.2 km/h (130.0 mph) |
|---|---|
| Power/weight ratio | 0.2128 hp/kg |
Other specifications
| Color options | Silver/yellow |
|---|
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.