Comparison of CR&S VUN Sidecar and CR&S VUN Underpowered [S]ave
| Attribute |  CR&S VUN Sidecar × | CR&S VUN Underpowered × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2007 |
| Make | CR&S | CR&S |
| Model | CR&S VUN Sidecar | CR&S VUN Underpowered |
| Category | Naked bike | Naked bike |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection. Integrated CR and S/Walbro/Dell’Orto ignition/injection system, 52 mm throttle housing, twin injectors, twin spark | Injection. Walbro integrated |
| Displacement (cm³) | 652 | 652 |
| Power (kw) | 39.2 | 21.2 |
| Cooling system | Liquid | Liquid |
| Torque (Nm) | 58.9 | 37 |
| Bore (mm) | 100 | 100 |
| Stroke (mm) | 83 | 83 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Ignition | Walbro integrated | - |
| Clutch | Wet multiplate | Wet multiplate |
| Lubrication system | - | Dry sump |
| Compression | - | 9.7:1 |
| Chassis | ||
| Front suspension | Tele-hydraulic fork with 46mm diameter rods | Hydraulic fork |
| Rear suspension | Oscillating swingarm, single shock absorber | Swingarm |
| Front brakes | Single disc | Single disc |
| Rear brakes | Double disc | Single disc |
| Diameter (mm) | 220 | - |
| Frame type | Fiberglass sidecar bodywork. Steel tubes and machined light alloy plates compound | Steel tubes and machined light alloy plates compound |
| Front tyre | 120/70-ZR17 | 120/70-ZRX17 |
| Rear tyre | 160/60-ZR17 | 160/60-ZRX17 |
| Front wheel travel (mm) | 120 | 120 |
| Rear wheel travel (mm) | 128 | 128 |
| Other | ||
| Starter | Electric | - |
| Dimensions | ||
| Wheelbase (mm) | 1,368 | 1,368 |
| Dry weight (kg) | - | 135 |
| Power/weight ratio | - | 0.157 |
| Overall length (mm) | 1,980 | 1,980 |
| Seat height (mm) | 780 | 800 |
| Alternate seat height | 820 | - |
| Ground clearance (mm) | 150 | 150 |
| Performance | ||
| Reserve fuel capacity (l) | 3 | - |
| Fuel capacity (l) | 12.5 | 14 |
| Oil capacity (l) | 3.5 | - |
Help · Contact us · Disclaimer · Contributors · Developers · Donate