Suzuki RMX 450Z (2010-16) vs BMW R 45 (1978-81)
Comparison technical specifications
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| Make: | Suzuki | BMW |
| Model: | RMX 450Z | R 45 |
| Years: | 2010-16 | 1978-81 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valve per cylinder. | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 449 cc / 27.4 cu in | 453 cc / 27.6 cu in. |
| Bore x Stroke: | 96 x 62.1 mm | 70 x 61.5 mm |
| Compression Ratio: | 11.6:1 | 9.2:1 |
| Cooling System: | Liquid cooled | Air cooled |
| Induction: | Fuel Injection | 2 x Bing V65 carburetors |
| Ignition: | Digital CDI | Bosch contact free electronic ignition |
| Starting: | Electric | Kick |
| Transmission: | 5 Speed, constant mesh | 5 Speed |
| Final Drive: | Chain | Shaft |
| Front Suspension: | SHOWA 47mm telescopic forks, pneumatic/coil spring, oil damped | Telescopic hydraulic forks |
| Rear Suspension: | Swingarm, link type, SHOWA piggyback-reservoir shock | Long swinging arm with adjustable strut |
| Front Brakes: | Single 250mm disc 2 piston caliper | 2 x ∅260mm Disc, 2 piston caliper. |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single ∅200mm drum |
| Front Tyre: | 80/100 - 21 | 1.85 - B18 |
| Rear Tyre: | 110/100-18 | 2.50 - B18 |
| Fuel Capacity: | 6.1 Litres / 1.6 US gal / 1.3 Imp gal | 22 L / 5.8 US gal |