Suzuki GSX-R 750G (1986) vs Suzuki GSX-R 750J (1988) vs Suzuki Boulevard / Intruder M109R B.O.S.S. (2018-19) vs Suzuki Boulevard / Intruder M109RZ Limited Edition (2010) vs Suzuki GS 550E (1978-79)

Comparison technical specifications

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Make:	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki
Model:	GSX-R 750G	GSX-R 750J	Boulevard / Intruder M109R B.O.S.S.	Boulevard / Intruder M109RZ Limited Edition	GS 550E
Years:	1986	1988	2018-19	2010	1978-79
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 54° V-Twin	Four stroke, 54° V-Twin	Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder.
Capacity:	749 c / 45.7 cub. in.	748 c / 45.6 cub. in.	1786 cc / 109 cu. in	1786 cc / 109 cu. in	549 cc / 33.5 cu in
Bore x Stroke:	70.0 x 48.7 mm	73.0 x 44.7 mm	112 x 90.5 mm	112 x 90.5 mm	56 x 55.8 mm
Compression Ratio:	10.6:1	10.9:1	10.5:1	10.5:1	8.6:1
Cooling System:	Air/Oil cooled	Air/Oil cooled	Liquid cooled	Liquid cooled	Air cooled
Induction:	4 x VM2955 flat-valve carburetors	4 x 36 mm Mikuni constant-velocity semi-flatslide carburetors	EFI, 2 x 56mm throttle bodies	EFI, 2 x 56mm throttle bodies	4 x VM22SS Mikuni carburetors
Ignition:	Full transistor	Full transistor	Electronic ignition (Transistorised)	Electronic ignition (Transistorised)	Battery and Coil
Starting:	Electric	Electric	Electric	Electric	Electric
Max Power:	72.9 kW / 100 hp @ 10500 rpm	80.2 kW / 112 hp @ 11000 rpm	92 kW / 123 hp @ 6200 rpm	92 kW / 123 hp @ 6200 rpm	35.8 kW / 49 hp @ 9000 rpm
Max Torque:	70.6 Nm / 7.2 kgf-m / 52.1 ft-lb @ 8000 rpm	74.5 Nm / 7.6 kgf-m / 54.9 ft-lb @ 10000 rpm	160 Nm / 16.3 kgf-m / 118 lb-ft @ 3200 rpm	160 Nm / 16.3 kgf-m / 118 lb-ft @ 3200 rpm	42 Nm 4.3 kgf-m / 31 lb-ft @ 7500 rpm
Clutch:	Cable operated, wet multiple, coil spring	Cable operated, wet multiple, coil spring	Wet multi-plate type	Wet multi-plate type	Wet, 15 multi-plate
Transmission:	6 Speed, constant mesh	6 Speed, constant mesh	5 Speed	5 Speed	6 Speed
Final Drive:	#530 Chain, O-ring sealed	#530 Chain, O-ring sealed, 108 links	Shaft	Shaft	Chain
Front Suspension:	Posi Damp Fork (PDF), telescopic, pneumatic/coil spring, oil damped, 4-way adjustable damper, 41 mm	43 mm Telescopic forks adjustable for preload rebound damping	Inverted, 46mm stanchions	Inverted, 46 mm stanchions	Telescopic fork, oil damped
Rear Suspension:	Full Floater, oil damped, fully adjustable preload with remote hydraulic control, 4 damping position	Full-floater Monoshock adjustable for preload rebound damping	Single damper, preload adjustable	Single damper, preload adjustable	Twin shocks, coil over, 5-way adjustable springload
Front Brakes:	2 x 310 mm Discs, 4 piston calipers	2 x 310 mm Discs, 4 piston calipers	2 x 310mm discs, 2 piston calipers	2 x 310 mm Discs, 2 piston calipers	Single 275mm disc, 1 piston caliper
Rear Brakes:	Single 280 mm disc, 1 piston caliper	Single 230 mm disc, 1 piston caliper	Single 274mm disc, 2 piston caliper	Single 274 mm disc, 2 piston caliper	Drum
Front Tyre:	110/80 V18	120/60 ZR17	130/70 R18	130/70 R18	3.25-19
Rear Tyre:	140/70 V18	160/60 ZR17	240/40 R18	240/40 R18	3.75-18
Wet Weight:	185 kg / 408 lbs	223.6 kg / 493 lbs.	347 kg / 764 lbs	347 kg / 764 lbs	216 kg / 476 lbs
Fuel Capacity:	18.5 Litres / 4.9 US gal / 4.1 Imp gal	21 Litres / 5.5 US gal / 4.6 Imp gal	19 Litres / 4.3 US gal	19 Litres / 5.1 US gal / 4.2 Imp gal	17 Litres / 4.5 US gal / 3.7 Imp gal