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) vs Harley-Davidson Harley Davidson XG 750 Street Rod (2019-20)

Comparison technical specifications

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Make:	Suzuki	BMW	BMW	BMW	Harley-Davidson
Model:	Boulevard / Intruder M109R B.O.S.S.	R 1100GS 75th Anniversary	K 1200RS	R 57	Harley Davidson XG 750 Street Rod
Years:	2016-17	1998	1999-00	1928-30	2019-20
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.	Four stroke, Revolution X™ 60° V-Twin, SOHC, 4 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.	749 cc / 46 cub in
Bore x Stroke:	112 x 90.5 mm	99 x 70.5 mm	70.5 x 75 mm	68 x 68 mm	85 x 66 mm
Compression Ratio:	10.5:1	10.3:1	11.5:1	5.8:1	12.0:1
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	Mikuni Twin Port Fuel Injection, 42 mm bore
Ignition:	Electronic ignition (Transistorised)	Electronic MA 2.2 controlled by Bosch Motronic	Bosch Motronic	Bosch high voltage magneto ignition	Electronic
Starting:	Electric	Electric	Electric	Kick	Electric
Transmission:	5 Speed	5 Speed	6 Speed	3 Speed	6 Speed
Final Drive:	Shaft	Shaft	Shaft	Shaft	Belt
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	1st 14.272 / 2nd 10.074 / 3rd 7.446 / 4th 6.006 / 5th 5.037 / 6th 4.533
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	43mm upside down forks
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	Dual shock absorbers with external reservoirs
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	2X 300mm floated discs 2 piston
Rear Brakes:	Single 274mm disc, 2 piston caliper	Single ∅250mm disc, 3 piston caliper	Single ∅285mm disc, 2 piston caliper	Block brake	Singe floated disc 2 piston
Front Tyre:	130/70 R18	110/80 R19	120/70 ZR17	26 x 3.5" low pressure or 26 x 3.5" high pressure	120/70 R17 V
Rear Tyre:	240/40 R18	150/70 R17	170/60 ZR18	26 x 3.5" low pressure or 26 x 3.5" high pressure	160/60 R17 V
Wet Weight:	347 kg / 764 lbs	240 kg / 549 lbs	280 kg / 617 lbs	150 kg / 330 lb	234 kg / 516 lbs
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	13.1 Litres / 3.5 US gal