The CR&S Vun Gunmetal and CR&S Racing Checkers are motorcycles with a Rotax four-stroke, single cylinder DOHC engine with a capacity of 652cc. The compression ratio is 9.7:1, and it has a dry sump lubrication system. It has a stainless steel catalytic exhaust system, an integrated ignition/injection system, and twin injectors. The maximum power output is 54 hp at 7000 rpm, and maximum torque is 6 kgf-m at 5000 rpm. The motorcycle has a wet multiplate clutch and a 5-speed transmission with a final drive with an O-ring chain. It has a steel tube and machined light alloy plates compound frame, 46mm telescopic forks, and a single shock absorber oscillating swingarm rear suspension. The front brake has a single 320mm disc, while the rear brake has a single 220mm disc. The fuel capacity is 12.5 Litres or 3.3 US gal. The motorcycle has a dry weight of 135 kg and a seat height of 800 mm.
Technical specifications:
Make Model: CR&S Vun Gunmetal & CR&S Racing Checkers
| Engine | Rotax, four stoke, single cylinder, DOHC, 4 valves per cylinder |
|---|---|
| Capacity | 652 cc / 39.79 cu-in |
| Bore x Stroke | 100 x 83 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 9.7;1 |
| Lubrication | Dry sump |
| Exhaust | Stainless steel catalytic exhaust system (CR and S by QD) |
| Induction | Injection. Integrated CR and S/Walbro/Dell Orto ignition/injection system, 52 mm throttle housing, twin injectors, twin spark |
| Ignition | Marelli integrated electronic, twin spark |
| Starting | Electric |
| Max Power | 54 hp / 40 kW @ 7000 rpm |
| Max Torque | 6 kgf-m / 58.9 Nm @ 5000 rpm |
| Clutch | Wet multiplate |
| Transmission | 5 Speed |
| Final Drive | With O ring chain |
| Frame | Steel tubes and machined light alloy plates compound |
| Front Suspension | 46mm Telescopic forks |
| Front Wheel Travel | 120 mm / 4.7 in |
| Rear Suspension | Oscillating swingarm, single shock absorber |
| Rear Wheel Travel | 128 mm / 5.0 in |
| Front Brakes | Single 320mm disc |
| Rear Brakes | Single 220mm disc |
| Front Tyre | 120/70 ZR17 |
| Rear Tyre | 160/60 ZR-17 |
| Dimensions | Length 1980 mm / 78.0 in Width 740 mm / 29.1 in |
| Wheelbase | 1386 mm / 54.5 in |
| Seat Height | 800 mm / 31.4 in |
| Ground Clearance | 150 mm / 5.9 in |
| Dry Weight | 135 kg / 297.6 LBS |
| Fuel Capacity | 12,5 Litres / 3.3 US gal |