Suzuki Boulevard C109R (2010-11) vs Suzuki Boulevard C90 B.O.S.S (2015-16) vs Suzuki Boulevard M50 (2010-11) vs Suzuki RH 250X (1987) vs Suzuki GV 1400 Cavalcade LXE (1985-88) vs Suzuki GSX-R 600 (2017) vs Yamaha IT 250 (1980-81)

Comparison technical specifications

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Make:	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Yamaha
Model:	Boulevard C109R	Boulevard C90 B.O.S.S	Boulevard M50	RH 250X	GV 1400 Cavalcade LXE	GSX-R 600	IT 250
Years:	2010-11	2015-16	2010-11	1987	1985-88	2017	1980-81
Engine:	Four stroke, 54° V-Twin	Four stroke, 54° V-twin, SOHC, 3 valves per cylinder	Four stroke, 45° V-Twin	Two stroke, single cylinder	Four stroke, 82°V-Four, DOHC, 4 valves per cylinder, TSCC.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Two stroke, single cylinder, read valve
Capacity:	1786 cc / 108.8 cu. in	1462 cc / 89.2 cu-in	805cc / 49.1 cu-in	249 cc / 15.2 cu in	1360 cc / 83 cu in	599 c / 36.6 cub. in.	246 cc / 15.07 cu-in
Bore x Stroke:	112 X 90.5mm	96 x 101 mm	83 x 74.4 mm	70 x 64.8 mm	81 x 66 mm	67.0 x 42.5 mm	70 x 64 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled
Induction:	EFI, 2 x 56 mm throttle bodies	Fuel injected	Mikuni BDSR34	Mikuni VM 32 SS carburetor	4 x 33mm Mikuni BDS33SS carburetors	EFI, Four 40 mm throttle bodies, 2 valves per body. S-DMS engine management system	30mm Mikunis carburetor
Ignition:	Electronic ignition (Transistorised)	Digital transistorized	Electronic	Suzuki PEI	CDI	Digital CDI	CDI
Starting:	Electric	Electric	Electric	Kick	Electric	Electric	Kick
Max Power:	92 kW / 123 hp @ 6200 rpm	49.2 kW / 66 hp @ 4800 rpm	39 kW / 52 hp / @ 6000 rpm	23.1 kW / 31 hp @ 7500 rpm	81.6 kW / 112 hp @ 7000 rpm	93.2 kW / 125 hp @ 13500 rpm with maximum RAM air	32.2 hp @ 7500 rpm
Max Torque:	160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm	115 Nm /11.7 kgf-m / 84.8 ft-lbs @ 2800 rpm	69 Nm / 7.0 kgf-m / 51 lb-ft @ 3200 rpm	31.2 Nm / 3.18 kgf-m / 23.0 lb-ft @ 6500 rpm	124 Nm / 12.6 kgf-m / 91.5 lb-ft @ 5500 rpm	67.7 Nm / 6.9 kgf-m / 49.9 ft-lb @ 11500 rpm, RAM air	22.6 / 3.12 kg-m @ 7500 rpm
Transmission:	5 Speed	5 Speed	5 Speed	6 Speed	5 Speed	6 Speed, constant mesh	6 Speed
Final Drive:	Shaft	Shaft	Shaft	Chain	32/12 (2.6)	#525 Chain, 114 links	Chain
Front Suspension:	Telescopic, coil spring, oil damped	Telescopic, coil springs, oil damped	Inverted, telescopic, coil spring, oil damped	Telescopic forks, oil dampened	Telescopic, coil-spring, oil-damped, center-axle fork, 41mm tubes	Showa Big Piston front-Fork (BPF)	Air-assisted, oil-damped fork
Rear Suspension:	Link type, coil spring, oil damped, adjustable spring preload	Link type, coil spring, oil damped	Link-type, oil damped, 7-way adjustable spring preload	Full floater mono shock, preload adjustable	Swing Arm, pneumatic/coil spring, oil damped, air adjustable shock absorbers, Suzuki "Auto-Leveling" System	Link type, coil spring, oil damped	Aluminum-bodied monoshock with adjustable damping and preload producing
Front Brakes:	2 x 310 mm discs, 2 piston calipers	Dual 300 mm discs, 4 piston caliper	Single 300 mm disc, 2 piston caliper	Single disc	2 x 310mm Discs, 2 piston calipers	2 x 310 mm Discs, Brembo 4 piston calipers	Drum 130 x 22mm shoes
Rear Brakes:	Single 274mm disc, 2 piston caliper	Single 180 mm disc, 2 piston caliper	Drum	Drum	Single disc, 1 piston caliper	Single 220 mm disc, Nissin 2 piston caliper	Drum 150 x 25mm shoes
Front Tyre:	150/80R16	130/80-17M/C 65H, tubeless	130/90-16	3.00-21	130/90-16 67H	120/70 ZR17	90/90 -21
Rear Tyre:	240/55R16	200/60-16M/C 79H, tubeless	170/80-15	130/80-17	150/90-15 74H	180/55 ZR17	12/90 -18
Fuel Capacity:	19 L / 5.0 US gal	18 Litres / 4.8 US gal	15.5 Litres / 4.1 / 3.4 US/Imp gal	12 Litres / 3.2 US gal / 2.6 Imp gal	23 Litres / 6.1 US gal / 5.1 Imp gal	17 Litres / 4.5 US gal / 3.7 Imp gal	13 Litres / 3.4 US gal