BMW G 450X (2008) vs BMW R 67/3 (1955-56)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | G 450X | R 67/3 |
| Years: | 2008 | 1955-56 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 449 cc / 27.4 cub. in. | 594 cc / 36.2 cu in |
| Bore x Stroke: | 98 x 59 mm | 72 x 73 mm |
| Compression Ratio: | 12.0 :1 | 6.2:1 |
| Induction: | Electronic fuel injection | 2 x Bing 1/24/25 - 1/24/26 carburetors |
| Starting: | Electric | Kick |
| Clutch: | Multiple plate in oil bath | Single plate, dry |
| Max Power: | 30.7 kW / 41 hp @ 7000 rpm | 20.9 kW / 28 hp @ 5600 rpm |
| Transmission: | 5 Speed | 4 Speed |
| Final Drive: | Chain | Shaft |
| Gear Ratio: | 1st 2.46 / 2nd 1.71 / 3rd 1.35 / 4th 1.04 / 5th 0.88:1 | 1st 4.0 / 2nd 2.28 / 3rd 1.7 / 4th 1.3 |
| Frame: | Stainless Steel Precision Tube | Double loop steel tubular frame |
| Front Suspension: | 45mm Upside-down forks | Telescopic front fork with hydraulic damping; plunger type |
| Rear Suspension: | Direct Mounted Öhlins Shock | Spring with coil compression springs and rubber deflection stops |
| Front Brakes: | Single 260mm disc, 2 piston floating caliper | ∅200mm Drum duplex full hub |
| Rear Brakes: | Single 220mm disc, 1 piston floating caliper | ∅200mm Drum simplex full hub |
| Front Tyre: | 90/90-21 | 3.50 -19" |
| Rear Tyre: | 140/80-18 | 3.50 -19" (sidecar, rear 4.00 x 18") |
| Wet Weight: | 121 kg / 267 lbs | 192 kg / 422 lb (with sidecar, 320 kg / 704 lbs) |
| Fuel Capacity: | 8 Litres / 2.1 US gal | 17 liters / 4.4 US gal |