Suzuki Boulevard / Intruder M109R B.O.S.S. (2016-17) vs BMW R 1100GS 75th Anniversary (1998) vs BMW K 1200RS (1999-00) vs BMW R 57 (1928-30)
Comparison technical specifications
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| Make: | Suzuki | BMW | BMW | BMW |
| Model: | Boulevard / Intruder M109R B.O.S.S. | R 1100GS 75th Anniversary | K 1200RS | R 57 |
| Years: | 2016-17 | 1998 | 1999-00 | 1928-30 |
| Engine: | Four stroke, 54° V-Twin | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder | Four stroke, horizontal in line four cylinder, DOHC, 4 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 1786 cc / 109 cu. in | 1084 cc / 66.1 cu in | 1171 cc / 71.4 cu in | 494 cc / 30.1 cu in. |
| Bore x Stroke: | 112 x 90.5 mm | 99 x 70.5 mm | 70.5 x 75 mm | 68 x 68 mm |
| Compression Ratio: | 10.5:1 | 10.3:1 | 11.5:1 | 5.8:1 |
| Induction: | EFI, 2 x 56mm throttle bodies | Bosch Motronic 2.2 with fuel cutoff when coasting | Electronic intake pipe injection | 1 x Spezial two valve ∅24 mm carburetor |
| Ignition: | Electronic ignition (Transistorised) | Electronic MA 2.2 controlled by Bosch Motronic | Bosch Motronic | Bosch high voltage magneto ignition |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 92 kW / 123 hp @ 6200 rpm | 59 kW / 80 hp @ 6750 rpm | 97 kW / 130 hp @ 8750 rpm | 13.4 kW / 18 hp @ 4000 rpm |
| Clutch: | Wet multi-plate type | ∅180mm Dry single plate with diaphram spring | Single-disc dry clutch, hydraulically operated | Single plate, dry |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 3 Speed |
| Final Drive: | Shaft | 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 4.16 / 2nd 2.91 / 3rd 2.13 / 4th 1.74 / 5th 1.45 | 1st 2.045 / 2nd 1.600 / 3rd 1.267 / 4th 1.038 / 5th 0.900 / 6th 0.829:1 | 1st 2.83 / 2nd 1.55 / 3rd 1.08 |
| Front Suspension: | Inverted, 46mm stanchions | BMW Telelever Single gas-filled shock absorber with progressive coil spring, Preload adjustment (five steps) | Telelever, stanchion diameter ∅35 mm, central strut | Plate spring, 6 laminae |
| Rear Suspension: | Single damper, preload adjustable | BMW Paralever (single-sided swinging arm) Single gas-filled shock absorber with coil spring, Preload adjustment (continuously adjustable by handwheel), Rebound damping (continuously adjustable by screw) | Die cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload and rebound damping adjustable | Rigid |
| Front Brakes: | 2 x 310mm discs, 2 piston calipers | 2 x ∅297mm Discs, 3 piston calipers | 2 x ∅320mm discs, 4 piston calipers | ∅200mm Drum |
| Rear Brakes: | Single 274mm disc, 2 piston caliper | Single ∅250mm disc, 3 piston caliper | Single ∅285mm disc, 2 piston caliper | Block brake |
| Front Tyre: | 130/70 R18 | 110/80 R19 | 120/70 ZR17 | 26 x 3.5" low pressure or 26 x 3.5" high pressure |
| Rear Tyre: | 240/40 R18 | 150/70 R17 | 170/60 ZR18 | 26 x 3.5" low pressure or 26 x 3.5" high pressure |
| Wet Weight: | 347 kg / 764 lbs | 240 kg / 549 lbs | 280 kg / 617 lbs | 150 kg / 330 lb |
| Fuel Capacity: | 19 Litres / 4.3 US gal | 24 Liters / US 6.3 gal | 22 L / 5.8 US gal | 12.5 liters / 3.3 US gal |