Yamaha XJ 650 Turbo (1985-86) vs Suzuki GSX-R 600 SE (USA only) (2008) vs Suzuki GSX-R 1000 Limited Edition (UK) (2008) vs Suzuki Boulevard C109R (2008-09) vs Suzuki GSX 750F Katana (2000-01)

Comparison technical specifications

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Make:	Yamaha	Suzuki	Suzuki	Suzuki	Suzuki
Model:	XJ 650 Turbo	GSX-R 600 SE (USA only)	GSX-R 1000 Limited Edition (UK)	Boulevard C109R	GSX 750F Katana
Years:	1985-86	2008	2008	2008-09	2000-01
Engine:	Four stroke transverse four cylinder. turbocharged. DOHC, 2 valves per cylinder,	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder, TSCC	Four stroke, 54° V-Twin	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	653 cc / 39.8 cu-in	599 c / 36.6 cub. in.	998.6 cc / 60.9 cub. in	1786 cc / 108.8 cu. in	748 cc / 45.6 cu.in
Bore x Stroke:	63 х 52.4 mm	67.0 x 42.5 mm	73.4 x 59 mm	112 X 90.5mm	73 x 44.7 mm
Cooling System:	Air-cooled	Liquid cooled	Liquid cooled	Liquid cooled	Air/oil cooled
Compression Ratio:	8.2:1	12.8:1	12.5:1	10.5:1	10.9:1
Induction:	4x 30mm pressurized Mikuni CVs carburetors	EFI, Four 40 mm throttle bodies, 2 valves per body. S-DMS engine management system	Electronic Fuel Injection with four 44mm throttle bodies	EFI, 2 x 56 mm throttle bodies	4 x 36mm Mikuni BST36SS carburators
Ignition:	CDI	Digital CDI	Electronic ignition, Transistorized	Electronic ignition (Transistorised)	Electronic ignition
Starting:	Electric	Electric	Electric	Electric	Electric
Max Power:	90 hp / 67.1 kW @ 9000 rpm	93.2 kW / 125 hp @ 13500 rpm with maximum RAM air	138 kW / 185.1 hp @ 12000rpm	92 kW / 123 hp @ 6200 rpm	69 kW / 92 hp @ 10500 rpm
Max Torque:	8.33 kgf-m @ 7000 rpm	67.7 Nm / 6.9 kgf-m / 49.9 ft-lb @ 11500 rpm, RAM air	117 Nm / 11.9 kgf-m / 86.3 lb.ft @ 10000rpm	160 Nm / 16.3 kgf-m / 118 lb.ft @ 3200 rpm	66 Nm / 6.73 kgf-m / 47.9 lb-ft @ 8500 rpm
Clutch:	Wet, multi-plate	Wet, slipper, cable operated	Hydraulically-actuated multiplate wet clutch.	Wet multi-plate type	Wet, multiple discs, cable operated
Transmission:	5 Speed	6 Speed, constant mesh	6 Speed, constant mesh	5 Speed	6 Speed, constant mesh
Final Drive:	Shaft	#525 Chain	#530 chain	Shaft	Chain, 118 Links
Front Suspension:	36mm Showa 140mm wheel travel, adjustments for air pressure	Inverted 41 mm Showa front forks are fully adjustable for rebound, compression and preload settings with updated rake and trail dimensions for improved cornering performance	Inverted telescopic, coil spring, oil damped, adjustable spring preload	Telescopic, coil spring, oil damped	41mm Telescopic fork, coil spring, oil damped, rebound damping adjustable, 3-way adjustable
Rear Suspension:	Dual Showa dampers, 79mm wheel travel, adjustments for air pressure, rebound damping	Showa rear shock utilizes a 46 mm piston and a larger 16mm rod and is completely adjustable for rebound and compression	Link type, coil spring, gas/oil damped, adjustable spring preload	Link type, coil spring, oil damped, adjustable spring preload	Link type, gas/coil spring, gas/oil damped, spring pre-load fully adjustable, compression damping force fully adjustable, rebound damping force 4-way adjustable
Front Brakes:	2x 266mm discs	2 x 310 mm Discs, Tokico 4 piston calipers	2 x 310 mm discs 4 piston caliper	2 x 310 mm discs, 2 piston calipers	2 x 290 mm Discs, 2 piston calipers
Rear Brakes:	Single 200mm drum	Single 220 mm disc, Tokico 2 piston caliper	Single 220 mm disc	Single 274mm disc, 2 piston caliper	Single 250 mm disc, 2 piston caliper
Front Tyre:	3.25-19	120/70 ZR17	120/70 ZR17	150/80R16	120/80-ZR17
Rear Tyre:	120/90 V18	180/55 ZR17	190/50 ZR17	240/55R16	150/70-ZR17
Wet Weight:	257 kg / 566.5 lbs	193kg / 425 lbs	192 kg / 423 lbs	380 kg / 837.7 lbs	227 kg / 500 lbs
Fuel Capacity:	19.5 Litres / 5.0 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	17.5 Litres / 4.6 US gal / 3.8 Imp gal	19 L / 5.0 US gal	20 Litres / 5.2 US gal / 4.4 Imp gal