Beta RS 520 (2012) vs BMW F 650CS Scarver (2002)
Comparison technical specifications
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| Make: | Beta | BMW |
| Model: | RS 520 | F 650CS Scarver |
| Years: | 2012 | 2002 |
| Engine: | Four stroke, single cylinder,4 valve | Four stroke, single cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 497.4 cc / 30.4 cu in | 652 cc / 39.8 cub. in. |
| Bore x Stroke: | 100 x 63.4 mm | 100 x 83mm |
| Compression Ratio: | 12.1:1 | 11.5:1 |
| Induction: | Keihin FCR-MX Ø 39mm | Electronic intake / BMW engine management |
| Ignition: | DC-CDI with variable ignition timing, Kokusan. | Electronic ignition integrated with fuel management |
| Starting: | Electric and kick | Electric |
| Clutch: | Wet multi-disc | Multi disc in oil bath |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | O-ring chain, DID | Belt |
| Frame: | Molybdenum steel with double cradle split above exhaust port. Air filter access from the side | Bridging consisting of steel profiles. |
| Front Suspension: | Sachs USD fork, Ø 48 mm, adjustable compression and rebound, TFX technology, | ∅41mm Telescopic fork with integral brace |
| Front Wheel Travel: | 290 mm / 11.4 in | 125 mm / 4.9 in. |
| Rear Suspension: | Sachs shock w/adjustable rebound and hi/low speed compression, | Steel swingarm with progressive shock linkage |
| Rear Wheel Travel: | 290 mm / 11.4 in | 120 mm / 4.7 in. |
| Front Brakes: | Single Ø 260 mm floating disc, 2 piston caliper, Nissen | Single ∅300mm disc 2 piston caliper |
| Rear Brakes: | Single Ø 240 mm disc, 1 piston caliper, Nissen | Single ∅240mm disc 1 piston caliper |
| Front Tyre: | 90/90 - 21 | 110/70 ZR17 |
| Rear Tyre: | 140/80 -1 8 | 160/60 ZR17 |
| Wheelbase: | 1475 mm / 58.1 in | 1493 mm / 58.8 in. |
| Seat Height: | 934.7 mm / 36.8 in | 780 mm / 30.7 in. |
| Dry Weight: | 108 kg / 240 lbs | 170 kg / 374 lbs |
| Fuel Capacity: | 7.9 L / 2.1 US gal | 15 Liters / 4 US gal. |