Yamaha GX 750 Sport (1978-79) vs BMW K 1300 S Motorsport Special Edition (2015) vs Kawasaki GPz 500S / EX 500R Ninja (1989-90) vs Ducati 1000MHR (Mike Hailwood Replica) (1984) vs Yamaha XS 650 (XS-1) (1969) vs Yamaha FZR 600 (1993) vs Moto Guzzi Stelvio 1200 (2009)

Comparison technical specifications

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Make:	Yamaha	BMW	Kawasaki	Ducati	Yamaha	Yamaha	Moto Guzzi
Model:	GX 750 Sport	K 1300 S Motorsport Special Edition	GPz 500S / EX 500R Ninja	1000MHR (Mike Hailwood Replica)	XS 650 (XS-1)	FZR 600	Stelvio 1200
Years:	1978-79	2015	1989-90	1984	1969	1993	2009
Engine:	Four stroke, transverse three cylinder. DOHC	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinders. DOHC, 4 valves per cylinder.	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, bevel gear driven	Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 90° V twin, longitudinally mounted, OHV, 4 valve per cylinder.
Capacity:	747 cc / 45.5 cu-in	1298 cc / 79.2 cu in	498 cc / 30.4 cu-in	973 cc / 59.4 cu in	653 cc / 39.8 cu in	599 cc / 36.6 cub in	1151 cc / 70.2 cu-in
Bore x Stroke:	68 х 68.6 mm	80 x 64.3 mm / 3.15 x 2.53 in	74 x 58 mm	88 x 80 mm	75 x 74 mm	59 x 54.8 mm	95 x 81.2 mm
Compression Ratio:	8.5:1	13.0:1	10.8:1	9.3:1	8.4:1	12.0:1	11.0:1
Induction:	Mikuni Thorex SU type BS34	Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K)	2x Keihin CVK34 carburetor	2 x 40 mm Dell'Orto PHM 40B carburetors	2 x Mikuni carburetors	4 x 38mm Mikuni BDST32	Weber-Marelli electronic fuel injection with stepper motor control
Ignition:	Battery point	Digital CDI	TCI (Transistor Controlled Ignition)	Bosch electronic	Battery, induction coil	Transistor controlled digital	Inductive discharge, digitally controlled, electronic twin spark ignition
Starting:	Electric	Electric	Electric	Electric	Kick	Electric	Electric
Max Power:	67 hp / 50 kW @ 7000 rpm	127 kW / 173 hp @ 9250 rpm	60 hp / 43.7 kW @ 9800 rpm	55.9 kW 76 hp @ 6700 rpm	39.5 kW / 53 hp @ 7200 rpm	66.3 kW / 91 hp @ 10500 rpm	102 hp / 75 kW @ 7000 rpm
Max Torque:	6.3 kgf-m @ 6500 rpm	140 Nm / 14.3 kgf-m / 103 lb-ft @ 8250 rpm	46.1 Nm / 4.7 kg-m @ 8500 rpm	84 Nm / 8.6 kgf-m / 62 ft-lb @ 5800 rpm	54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm	65.7 Nm / 6.7 kgf-m / 48.4 lb-ft @ 8500 rpm	110 Nm / 83.3 lb-ft @ 5500 rpm
Transmission:	5 Speed	6 Speed	6 Speed	5 Speed	5 Speed	6 speed	6 Speed
Final Drive:	Shaft	Shaft	Chain	Chain	Chain	O-ring chain, 530 size, 106 links	Shaft
Front Suspension:	Telescopic forks	BMW Motorrad Duolever, central spring strut, Paralever; central spring strut with lever system	38mm Telescopic forks	38 mm Marzocchi oil damped telescopic fork	Telescopic forks	41mm Telescopic fork preload adjustable, Coil spring, oil damper	Completely adjustable upside-down fork spring preload and hydraulic compression and rebound damping with mounting bracket for radial brake calliper,
Rear Suspension:	Dual shocks	Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment	Swinging arm, single shock adjustable for spring preload	Marzocchi dual shocks, 5-way spring preload adjustable	Dual shock absorbers	Rising-rate Monoshock preload and rebound adjustable, Gas, coil spring, oil damper	Single-sided swing-arm with progressive linkage and monoshock with adjustable hydraulic rebound and dial for setting spring preload
Front Brakes:	Single disc	2x 320mm discs, 4 piston calipers	Single 270mm disc 2 piston caliper	2 x 280 mm Discs, 2 piston calipers	Drum	2 x 298mm discs, 2 piston calipers	2x 320mm discs 4 piston caliper, ABS
Rear Brakes:	Single disc	Single 265mm disc, 2 piston caliper	160mm drum	Single 260 mm disc, 1 piston caliper	Drum	Single 214mm disc, 1 piston caliper	Single 282mm disc 2 piston caliper, ABS
Front Tyre:	F3.25-19	120/70 ZR17	100/90-16	110/90 V18	3.50-19	110/70-17	110/80 ZR19
Rear Tyre:	4.00-18	190/55 ZR17	120/90-16	130/90 V18	4.00-18	130/70-17	180/55 ZR17
Dry Weight:	229 kg / 502.6 lbs	228 kg / 503 lbs	170 kg / 370 lbs	196 kg / 430 lbs	185 kg / 408 lbs	195 kg / 430 lbs	251 kg / 553.3 lbs
Fuel Capacity:	17 Litres / 4.5 US gal	19 Litres / 5.0 US gal	15.9 Litres / 4.2 US gal	18 L / 4.8 US gal / 4.0 Imp gal	12.5 Litres / 3.3 US gal	18 Litres / 4.8 gal	18 Litres / 4.7 gal