BMW C 400GT (2019-20) vs BMW R 42 (1926-28) vs BMW R 100R Classic (1995)
Comparison technical specifications
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| Make: | BMW | BMW | BMW |
| Model: | C 400GT | R 42 | R 100R Classic |
| Years: | 2019-20 | 1926-28 | 1995 |
| Engine: | Four stroke, Single cylinder, SOHC, 4 Valves, with rocker arm | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated, SV | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder. |
| Capacity: | 350 cc / 21.3 cub in | 494 cc / 30.1 cu in. | 980 cc / 59.8 cub in. |
| Bore x Stroke: | 80 x 69.6 mm | 68 x 68 mm | 94 x 70.6 mm |
| Compression Ratio: | 11.5:1 | 4.9:1 | 8.5:1 |
| Induction: | Fuel injection, BMS-E2 40mm throttle valve diameter | 1 x BMW Spezial 2 valve, ∅22 mm | 2 Constant depression carburettors, Bing 94/40/123 - 94/40/124 |
| Starting: | Electric, 500 kW | Kick | Electric |
| Max Power: | 25.3 kW / 34 hp @ 7500 rpm | 8.9kW / 12 hp @ 3400 rpm | 44 KW / 60 hp @ 6500 rpm |
| Clutch: | Centrifugal dry clutch | Single plate saucer spring, dry | Dry single plate, with lever action diaphragm spring |
| Transmission: | Stepless CVT gearbox | 3 Speed | 5 Speed |
| Frame: | Steel tube construction with aluminum die cast unit | Twin loop steel tubular frame | Double loop tubular frame with bolt on rear section |
| Front Suspension: | 35mm Telescopic forks. | Plate spring, 5 laminae | Telescopic fork with hydraulic shock absorber, Showa, ∅41 mm |
| Rear Suspension: | Double Aluminum swingarm, Double spring struts, adjustable preload | Rigid, Spring loaded saddle | Paralever swinging arm, single shock, Showa, adjustable for rebound damping |
| Front Brakes: | 2x 265mm Rigid discs 4 piston caliper | ∅150mm Drum | 2 x ∅285mm disc 4 piston calipers |
| Rear Brakes: | Single 265mm disc 1 piston caliper | External shoe brake at the gearing on Cardan shaft | Single ∅200mm disc |
| Front Tyre: | 120/70 ZR15 | 27 x 3.5" low pressure or 26 x 3.0" high pressure | 110 / 80 V18, Metzeler ME33 Lazer |
| Rear Tyre: | 150/70 ZR14 | 27 x 3.5" low pressure or 26 x 3.0" high pressure | 140 / 80 V 17, Metzeler ME55A Metronic |
| Wet Weight: | 212 kg / 467 lbs | 126 kg / 277 lbs | 213 kg / 469 lbs |
| Fuel Capacity: | 12.8 Litres / 3.4 US gal | 14 liters / 3.6 US gal | 22 Litres / 5.7 US gal |