Beta Alp 125 4T (2006-07) vs BMW R 60/5 (1969-73)
Comparison technical specifications
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| Make: | Beta | BMW |
| Model: | Alp 125 4T | R 60/5 |
| Years: | 2006-07 | 1969-73 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 124 cc / 7.6 cu in | 599 cc / 36.6 cu in. |
| Bore x Stroke: | 54 x 54 mm | 73.5 x 70.6 mm |
| Compression Ratio: | 10.0:1 | 9.2:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Mikuni UCAL, 26 mm Ø | 2 x Bing slide carburetors |
| Ignition: | Electronic | Battery ignition |
| Starting: | Electric & kick | Kick |
| Transmission: | 5 Speed | 4 Speed |
| Final Drive: | Chain | Shaft |
| Front Suspension: | Hydraulic forks, 38 mm Ø | Telescopic hydraulic forks |
| Front Wheel Travel: | 170 mm / 6.7 in | 208 mm / 8.2" |
| Rear Suspension: | Single shock adjustable spring preload | Long swinging arm with strut |
| Rear Wheel Travel: | 180 mm / 7.1 in | 125 mm / 4.9" |
| Front Brakes: | Single 245 mm Ø disc, 2-piston caliper | ∅200mm Drum |
| Rear Brakes: | Single 220 mm Ø disc, 1-piston caliper | ∅200mm Drum |
| Front Tyre: | 90/90-21 | 3.25 - S19 |
| Rear Tyre: | 120/80-18 | 4.00 - S18 |
| Fuel Capacity: | 6.8 L / 1.8 US gal | 24 liters / 6.3 US gal |