Yamaha YZF 600 R6 (2007) vs Yamaha YZF-R 25 (2016-17) vs Harley-Davidson Harley Davidson XL 1200R Sportster Roadster (2020) vs Kawasaki ZZ-R 1100 D (1994) vs Yamaha XT 1200ZE/ES Super Ténéré (2016) vs Yamaha YZF 600 R6 50th Anniversary (2006) vs Yamaha TX 750 (1974-75) vs Harley-Davidson Harley Davidson Softail Slim (2020)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Harley-Davidson	Kawasaki	Yamaha	Yamaha	Yamaha	Harley-Davidson
Model:	YZF 600 R6	YZF-R 25	Harley Davidson XL 1200R Sportster Roadster	ZZ-R 1100 D	XT 1200ZE/ES Super Ténéré	YZF 600 R6 50th Anniversary	TX 750	Harley Davidson Softail Slim
Years:	2007	2016-17	2020	1994	2016	2006	1974-75	2020
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder	Four stroke, 45° V-Twin, OHV, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinders, DOHC, 4-valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, parallel twin cylinders, SOHC 2 valve per cylinder	Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder
Capacity:	599 cc / 36.5 cu-in	249 cc / 15.1 cu-in	1202 cc / 73.4 cub in.	1052 cc / 64.1 cu-in	1199 cc / 73.2 cub in.	599 cc / 36.5 cu-in	743 cc / 45.3 cu-in	1746 cc / 107 cub in
Bore x Stroke:	67 x 42.5 mm	60 x 44.1 mm	88.9 x 96.8 mm	11.0:1	98 x 79.5 mm	67 x 42.5 mm	80 x 74 mm	100 x 111 mm
Compression Ratio:	12.4;1	11.6:1	10.0:1	76 x 58 mm	11.0:1	12.4;1	8.8:1	10.0:1
Cooling System:	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled,	Liquid cooled	Liquid cooled	Air cooled	Air cooled
Induction:	Fuel Injection 38mm throttle bodies	Electronic Fuel Injection	Electronic Sequential Port Fuel Injection (ESPFI)	4x Keihin CVKD40 carbs	Fuel injected, twin spark	Fuel Injection 38mm throttle bodies	Carburetor	Electronic Sequential Port Fuel Injection (ESPFI)
Ignition:	TCI	TCI: Transistor Controlled Ignition	Digital CDI	Battery and coil (transistorized)	TCI	TCI		Single-fire, non-wasted, map-controlled spark ignition
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric & Kick	Electric
Max Torque:	69.1 Nm / 7.05 kg-m @ 11000 rp @ 1100 rpm	22.1 Nm / 16.7 lb-ft @ 10000 rpm	103 Nm (76 lb-ft) @ 3,750 rpm	110 Nm / 11.2 kgf-m @ 8500 rpm	117.0 Nm / 11.9 kgf-m / 89 ft-lbs @ 6000 rpm.	69.1 Nm / 7.05 kg-m @ 11000 rp @ 1100 rpm	7 kgf-m / 50.6 lb-ft @ 6000 rpm	145 Nm / 107 ft-lb @ 3250 rpm
Transmission:	6 Speed	Constant Mesh, 6-speed	5 Speed	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	O-ring Chain	Chain	Belt	Chain	Shaft	O-ring Chain	Chain	Belt
Front Suspension:	41mm upside down forks with 2-way compression damping adjustable	41mm KYB® telescopic fork;	43 mm inverted front forks with premium cartridge dampening technology and triple clamp design	43mm forks preload and rebound adjustable.	Upside-down telescopic fork, 43 mm inner tube, adjustable preload, compression and rebound damping,	41mm upside down forks with 2-way compression damping adjustable	Telescopic forks	Showa Inverted forks
Rear Suspension:	Fully adjustable rear shock absorber with 2-way compression damping	KYB® single shock	Premium emulsion technology rear shocks with screw style pre-load adjustment	Monoshock fully adjustable.	Monoshock, adjustable preload and rebound damping,	Fully adjustable rear shock absorber with 2-way compression damping	Dual shock	Mono Shock adjustable
Front Brakes:	2x 320mm discs	Single 298mm disc 2 piston caliper	2x 300mm floating discs, 2 piston caliper	2x 320mm discs 4 piston calipers	2x 310mm disc, ABS/Unified Brake System	2x 320mm discs	Single or dual 300mm disc 2 piston calipers (In Japan, the United States, and other markets the bike had a single disc, although the lugs needed to mount a second disc were in place. )	Single 292 mm discs, 4 piston caliper
Rear Brakes:	Single 220mm disc	Single 220mm disc	Single 292mm disc, 1 piston caliper	Single 240mm disc 1 piston caliper	Single 282mm disc	Single 220mm disc	180mm Drum	Single 292 mm disc, 2 piston caliper
Front Tyre:	120/70 ZR17	110/70-17M/C 54H	120/70R19 M/C	120/70 VR17	110/80Ｒ19	120/70 ZR17	3.50-19	130/90B16,53H,BW
Rear Tyre:	180/55 ZR17	140/70-17M/C 66H	150/70R18 M/C	180/55 VR17	150/70/17	180/55 ZR17	4.00-18	150/80B1677H,BW
Wheelbase:	1380 mm / 53.4 in	1379.2 mm / 54.3 in	1505 / 59.3 in	1495 mm / 58.86 in	1540mm / 60.6 in	1380 mm / 53.4 in	1455 mm / 57.3 in	1630 mm / 64.2 in
Ground Clearance:	130 mm / 5.1 in	160 mm / 6.2 in	150 mm / 6 in	110 mm / 4.33 in	205mm / 8.1 in	130 mm / 5.1 in	160 mm / 6.3 in	120 mm / 4.7 in
Seat Height:	850 mm / 33.5 in	779.7 mm / 30.7 in	Unladen 785 mm / 30.9in	780 mm 30.7 in	845 mm - 870 mm / 33.2 in - 34.2 in Adjustable	850 mm / 33.5 in	810 mm / 32 in	660 mm / 26 in
Fuel Capacity:	17.5 Litres / 4.6 gal	14 Litres / 3.7 gal	12.5 Litres / 3.3 US gal	24 Litres / 6.3 us gal	23 Litres / 5.1 US gal	17.5 Litres / 4.6 gal	14 Litres / 3.7 US gal	18.9 Litres / 5.0 US gal