Suzuki Boulevard / Intruder M109R (2012) vs BMW R 100R Classic (1995) vs BMW R 20 (1938-40)
Comparison technical specifications
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| Make: | Suzuki | BMW | BMW |
| Model: | Boulevard / Intruder M109R | R 100R Classic | R 20 |
| Years: | 2012 | 1995 | 1938-40 |
| Engine: | Four stroke, 54° V-Twin | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder. | Four stroke, single cylinder, pushrod operated, OHV, 2 valves per cylinder. |
| Capacity: | 1786 cc / 109 cu. in | 980 cc / 59.8 cub in. | 192 cc / 11.7 cu in. |
| Bore x Stroke: | 112 x 90.5 mm | 94 x 70.6 mm | 68 x 68 mm |
| Cooling System: | Liquid cooled | Air/oil cooled | Air cooled |
| Compression Ratio: | 10.5:1 | 8.5:1 | 6.0:1 |
| Induction: | EFI, 2 x 56mm throttle bodies | 2 Constant depression carburettors, Bing 94/40/123 - 94/40/124 | 1 x Amal push in carburetor M 74/428 |
| Ignition: | Electronic ignition (Transistorised) | Contact free electronic ignition (Bosch) | Battery ignition |
| Starting: | Electric | Electric | Kick |
| Max Power: | 92 kW / 123 hp @ 6200 rpm | 44 KW / 60 hp @ 6500 rpm | 6 kW / 8 hp @ 5400 rpm |
| Clutch: | Wet multi-plate type | Dry single plate, with lever action diaphragm spring | Single plate, dry |
| Transmission: | 5 Speed | 5 Speed | 3 Speed |
| Final Drive: | Shaft | Shaft | Shaft |
| Gear Ratio: | 1st 2.188 (35/16) / 2nd 1.400 (28/20) / 3rd 1.038 (27/26) / 4th 0.828 (24/29) / 5th 0.686 (24/35) | 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1 | 1st 4.55 / 2nd 2.58 / 3rd 1.64:1 |
| Front Suspension: | Inverted, 46 mm stanchions | Telescopic fork with hydraulic shock absorber, Showa, ∅41 mm | Telescopic fork |
| Rear Suspension: | Single damper, preload adjustable | Paralever swinging arm, single shock, Showa, adjustable for rebound damping | Rigid, spring loaded saddle |
| Rear Brakes: | Single 274 mm disc, 2 piston caliper | Single ∅200mm disc | ∅180mm Drum |
| Front Tyre: | 130/70 R18 | 110 / 80 V18, Metzeler ME33 Lazer | 3.00 x 19" |
| Rear Tyre: | 240/40 R18 | 140 / 80 V 17, Metzeler ME55A Metronic | 3.00 x 19" |
| Wet Weight: | 347 kg / 764 lbs | 213 kg / 469 lbs | 130 kg / 296 lb |
| Fuel Capacity: | 19 Litres / 5.1 US gal / 4.2 Imp gal | 22 Litres / 5.7 US gal | 12 L / 3.2 US gal |