CR&S CR&S Vun Blue Flame () vs Sunbeam Model 5 (1925)
Comparison technical specifications
Add bike |
Remove bike |
Remove bike |
| Make: | CR&S | Sunbeam |
| Model: | CR&S Vun Blue Flame | Model 5 |
| Years: | 1925 | |
| Engine: | Rotax, four stoke, single cylinder, DOHC, 4 valves per cylinder | Single cylinder, side valve |
| Capacity: | 652 cc / 39.79 cu-in | 499 cc / 30.5 cu in |
| Bore x Stroke: | 100 x 83 mm | 77 x 105.585 x 88 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 9.7;1 | 5:1 |
| Exhaust: | Stainless steel catalytic exhaust system (CR and S by QD) | Single |
| Starting: | Electric | Kick |
| Max Power: | 54 hp / 40 kW @ 7000 rpm | 2.6 kW / 3.5 hp |
| Final Drive: | With “O” ring chain | Chain |
| Frame: | Steel tubes and machined light alloy plates compound | Single downtube cradle |
| Front Suspension: | 46mm Telescopic forks | Druid forks |
| Rear Suspension: | Oscillating swingarm, single shock absorber | Rigid, spring loaded saddle |
| Front Brakes: | Single 320mm disc | Drum |
| Rear Brakes: | Single 220mm disc | Drum |
| Dry Weight: | 135 kg / 297.6 LBS | 108 kg / 238 lbs |