Yamaha XT660R (2012) vs Suzuki RG 500 Gamma (1985) vs Suzuki Boulevard S40 (2019) vs Suzuki RG 250 Gamma (1986) vs Suzuki GT 750 Le Mans (1972) vs Suzuki SV 650S / ABS (2007-08) vs Suzuki GT 250 (1972) vs Suzuki DR 200S (2016-17) vs Suzuki GSX 550E (1984-86) vs Suzuki GS 450L (1980) vs Suzuki GS 750E (1980)

Comparison technical specifications

Add bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike
Make:	Yamaha	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki
Model:	XT660R	RG 500 Gamma	Boulevard S40	RG 250 Gamma	GT 750 Le Mans	SV 650S / ABS	GT 250	DR 200S	GSX 550E	GS 450L	GS 750E
Years:	2012	1985	2019	1986	1972	2007-08	1972	2016-17	1984-86	1980	1980
Engine:	Four stroke, single cylinder, SOHC, 4 valve	Two stroke, square four cylinder, rotary valve with exhaust port valves	Four stroke, single cylinder, SOHC	Two stroke, parallel twin, reed valve	Two stroke, transverse 3 cylinder	Four stroke, 90°-V-twin, DOHC, 4 valves per cylinder	Two stroke, parallel twin	Four stroke, single cylinder, OHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinder, DOHC, 2 valves per cylinder	Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder.
Capacity:	659 cc/ 40.2 cu-in	498 cc / 30.4 cu in	652 cc / 39.8 cu-in	247 cc / 15.1 cu in	738 cc / 45.0 cu in	645 cc / 39.4 cu-in	247 cc / 15.1 cu in	198.5 cc / 12.1 cu in	572 cc / 34.9 cu in	448 cc / 27.3 cu in	748 cc / 45.6 cu in
Bore x Stroke:	100 x 84 mm	56 x 50.6 mm	94 x 94.0 mm	54 x 54 mm	70 х 64 mm	81 x 62.6 mm	54 х 54 mm	66 x 58.2 mm	60 x 50.6 mm	71 x 56.6 mm	65 x 56.4 mm
Compression Ratio:	10.0: 1	7.0:1	8.5:1	7.1 :1	6.7:1	11.5:1	7.5:1	9.4:1	9.8:1	9.0:1	8.7:1
Cooling System:	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Air/oil cooled	Air cooled	Air cooled
Induction:	Fuel injection, 44 mm throttle body	4 x 28mm Mikuni VM28SH Flatslide carburetors	Mikuni BS40	2 x Mikuni VM28SS flat side carburetors	3 x Mikuni VM 32 carburetors	Fuel Injection	Carburetor	Mikuni BST31	2 x 32 mm Mikuni carburetors	2 x 34 mm Mikuni carburetors	4 x Mikuni VM26SS carburators
Ignition:	TCI	Suzuki PEI	Transistorized	Pointless Electrical Ignition	Battery and coil	Digital transistorised	PEI	Digital CDI	Transistorized	Transistorized	Battery, coil
Starting:	Electric	Kick	Electric	Kick	Electric & kick	Electric	Kick	Electric	Electric	Electric	Electric & kick
Max Power:	33.8 kW / 48 hp @ 6000 rpm	70 kW / 95 hp @ 9000 rpm	23 kW / 31 hp @5400 rpm	35.7 kW / 49 hp @ 9500 rpm	50 kW / 67 hp @ 6500 rpm	54.7 kW / 73.4 hp @ 8800 rpm	22.4 kW / 30 hp @ 8000 rpm	15.5 kW / 20 hp @ 8500 rpm	46.7 kW / 64 hp @ 10000 rpm	32.8 kW / 44 hp @ 9500 rpm	53.6 kW / 72 hp @ 8500 rpm
Max Torque:	58.4 Nm / 5.7 kgf-m @ 5250 rpm	72 Nm / 7.3 kgf-m 53.1 lb-ft @ 9000 rpm	50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm	40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 8000 rpm	75.5 Nm / 7.7 kgf-m / 55.7 lb-ft @ 5500 rpm	64 Nm / 6.53 kg-m / 47.2 lb-ft @ 7200 rpm	27.5 Nm / 2.8 kgf-m / 20.3 lb-ft @ 7000 rpm	18.6 Nm / 1.9 kgf-m / 13.7 lb-ft @ 7000 rpm	50 Nm / 67.1 hp @ 8000 rpm	36.3 Nm / 3,7 kgf-m / 26.8 lb-ft @ 8000 rpm	60 Nm / 6.1 kgf-m / 44.2 lb-ft @ 8250 rpm
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed, constant mesh	5 Speed	6 Speed	6-Speed	5 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Chain	Chain, 2.500 (40/16)	Belt	Chain, #520, 110 links, O-ring sealed	Chain	Chain, #525 O-ring	Chain	Chain, DID525V9, 110 links	Chain	Chain	Chain, 630SO 96 link, O-ring .81/2 in. free-play
Front Suspension:	43 mm Telescopic forks,	Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing.	Telescopic 38 mm stanchions, coil spring, oil damped	Posi fork, 4-way adjustable with anti-dive	Telescopic forks	Telescopic 41 mm, coil spring, oil damped, fully adjustable preload	Telescopic fork	Telescopic, oil damped	Telescopic forks with hydraulic anti-dive.	Hydraulic forks	35mm Kayaba with anti dive adjustable air pressure.
Rear Suspension:	Oscillating arm standard Monocross. 200mm wheel travel	Shock absorber, adjustable for spring preload	Twin shock, 5-way adjustable spring preload	Full Floater, mono-shock, gas/oil damped, air adjustable	Swinging arm fork with adjustable shock absorber	KYB single shock, adjustable spring preload	Twin shocks, springs	Mono shock, oil damped, adjustable preload	Rising rate full floater linkage with adjustable preload	Dual shocks, coil spring over	Dual shocks adjustable preload and spring rebound damping.
Front Brakes:	Single 298mm disc 2 piston caliper	2 x 260 mm Discs, 4 piston calipers	265 mm Single disc	2 x 260 mm Discs ,1 piston caliper	Twin sided 200mm drum with four leading edgeshoes	2 x 290 mm Discs, 2 piston calipers	Drum	Single disc 230 mm	2 x 260 mm discs, 2 piston caliper	Single 271mm disc	Single 292 mm disc, 1 piston caliper
Rear Brakes:	Single 245mm disc 1 piston caliper	Single 210 mm disc, 2 piston caliper	Drum, rod operated	Single 210 mm disc, 1 piston caliper	190 mm drum	Single 240 mm disc, 2 piston caliper	Drum	Drum, 130 mm	Single 250 mm disc, 2 piston caliper	Drum	Single 292 mm disc ,1 piston caliper
Front Tyre:	90/90- 21	110/90 V16	100/90-19 57H, tube type	100/90-16	3.25-19	120/60 ZR17	2.75-18	70/100-21 M/C 44P, tube type	100/90-16	3.00 -S18	3.25 H19
Rear Tyre:	130/80–17	120/90 V17	140/80-15 67H, tube type	100/80-18	4.00-18	160/60 ZR17	3.00-18	100/90-18 M/C 56P, tube type	110/90-18	3.50 -S18	4.00 H18
Fuel Capacity:	15 Litres / 3.3 US gal	22 Litres / 5.8 US gal / 4.8 Imp gal	10.5 Litres / 2.6 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	17 Litres / 4.5 US gal / 3.7 Imp gal	17 Litres / 4.5 US gal / 3.7 Imp gal	15 L / 4.0 US gal / 3.3 Imp gal	13 Litres / 3.4 US gal / 2.9 Imp gal	18 Litres / 4.8 US gal / 4.0 Imp gal	8.5 Litres / 2.2 US gal / 1.9 Imp gal	18 Litres / 4.8 US gal / 4.0 Imp gal