Yamaha MT-125 (2018-19) vs Yamaha IT 425 (1980) vs Yamaha FZ-6N S2 (2008) vs Yamaha FZ-1 N (2010) vs Yamaha FZR 600 (1993) vs Yamaha SR 400SP (2004) vs Yamaha FJR 1300A (2004) vs Yamaha XT 660X (2010)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	MT-125	IT 425	FZ-6N S2	FZ-1 N	FZR 600	SR 400SP	FJR 1300A	XT 660X
Years:	2018-19	1980	2008	2010	1993	2004	2004	2010
Engine:	Four stroke, single cylinder, SOHC, 4-valves	Two stroke, single cylinder, read valve	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 5 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, SOHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, SOHC, 4 valve
Capacity:	124.7 cc / 7.6 cub in.	425 cc / 25.9 cu-in	599 cc / 36.5 cu-in	998 cc / 60.9 cu-in	599 cc / 36.6 cub in	399 cc / 24.3 cu-in	1298 cc / 79.2 cu-in cc / 79.2 cu-in	659 cc/ 40.2 cu-in
Bore x Stroke:	52 x 58.6 mm	85 x 75 mm	65.5 x 44.5 mm	77 X 53.6 mm	59 x 54.8 mm	87 х 67.2 mm	79 x 66.2 mm	100 x 84 mm
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled,	Liquid cooled
Compression Ratio:	11.2:1	7.3;1	12.2:1	11.5:1	12.0:1	8.5:1	10.8:1	10: 1
Induction:	Electronic fuel injection	38mm VM38SS Mikuni carburetor	Group injection type fuel injection, 36mm Funnel diameter	Fuel injection	4 x 38mm Mikuni BDST32	BSR33 carburetor	Mikuni 42mm throttle body F.I.	Fuel injection, 44 mm throttle body
Ignition:	TCI (digital)	CDI	TCI Digital CDI	Digital TCI: Transistor Controlled Ignition with 32-bit ECU	Transistor controlled digital	CDI	CDI	TCI
Starting:	Electric	Kick	Electric	Electric	Electric	Kick	Electric	Electric
Max Power:	11 kW / 15 hp @ 9000 rpm	36.9 hp / 27.5 kW @ 6000 rpm (rear tyre	98 hp / 72 kW @ 12000 rpm	146.84 hp / 108 kW @ 11000 rpm	66.3 kW / 91 hp @ 10500 rpm	27 hp / 17.1 KW @ 7000 rpm	145 hp / 105.7 kW @ 8500 rpm	33.8 kW / 48 hp @ 6000 rpm
Max Torque:	12.4 Nm / 1.25 kgf-m / 9.14 ft-lb	31 lb-ft / 4.23 kg-m @ 5500 rpm	63.1 Nm / 6.4 kgf-m @ 10000 rpm	106 Nm /10.5 kgf-m / 76.7 ft-lb @ 8000 rpm	65.7 Nm / 6.7 kgf-m / 48.4 lb-ft @ 8500 rpm	27.4 Nm / 6.3 kgf-m @ 6500 rpm	125 Nm / 13.7kgf-m / 99.1 ft-lb @ 6000 rpm	58.4 Nm / 5.7 kgf-m @ 5250 rpm
Transmission:	6-Speed, constant mesh	5 Speed	6 Speed	6 Speed	6 speed	5 Speed	5 Speed	5 Speed
Final Drive:	Chain	Chain	Chain	O-ring chain	O-ring chain, 530 size, 106 links	Chain	Shaft	Chain
Front Suspension:	Upside-down telescopic fork, 41 mm dia.	43mm Telescopic adjustable forks, 300mm wheel travel	43mm Telescopic fork,	Telescopic upside forks,	41mm Telescopic fork preload adjustable, Coil spring, oil damper	Telescopic fork	48mm Soqi telescopic fork w/adjustable preload, compression and rebound damping	43 mm Telescopic forks,
Rear Suspension:	Linked monoshock with spring preload adjustment	Mono shock, adjustable spring preload and rebound damping, 300mm wheel travel	Swingarm Link less type Monocross	Link-type swingarm,	Rising-rate Monoshock preload and rebound adjustable, Gas, coil spring, oil damper	Dual shocks	Single shock, link-type, w/adjustable preload and rebound damping	Oscillating arm standard Monocross.
Front Brakes:	Hydraulic, single disc, 292 mm dia.	Drum	2x 298 mm discs	2x 320mm discs 4 piston calipers	2 x 298mm discs, 2 piston calipers	Single disc	2x 320mm discs 4 piston calipers	Single 320mm disc 4 piston caliper
Rear Brakes:	Hydraulic, single disc, 230 mm dia.	Drum	Single 245 mm disc	Single 245mm disc 1 piston caliper	Single 214mm disc, 1 piston caliper	Drum	Single 283mm disc 2 piston caliper	Single 245mm disc 1 piston caliper
Front Tyre:	100/80-17 MC	3.00 -21	120/70 ZR17	120/70 ZR17	110/70-17	3.50-19	120/70 ZR17	120/700-17
Rear Tyre:	130/70-17 M	150/80 -18	180/55 ZR17	190/50 ZR17	130/70-17	4.00-16	180/55 ZR17	160/60-17
Trail:	89 mm / 3.5 in.	125 mm / 4.9 in	98 mm / 3.8 om	109 mm / 4.3 in	94 mm / 3.7 in	111 mm / 4.4 in	109 mm / 4.3 in	94 mm / 3.7 in
Wheelbase:	1355 mm / 53.3 in	1430 mm / 56.2 in	1440 mm / 56.7 in	1461 mm / 57.5 in	1425 mm / 56.1 in	1410 mm / 55.5 IN	1545 mm / 60.8 in	1505 mm / 59.3 in
Ground Clearance:	140 mm / 5.5 in	285 mm / 11.2 in	145 mm / 5.7 in	135 mm / 5.3 in	135 mm / 5.3 in	130 mm / 5.1 in	130 mm / 5.1 in	210 mm / 8.3 in
Fuel Capacity:	11.5 Litres / 3.0 US gal	13.6 Litres / 3.5 US gal	19 Litres / 5.0 US gal	18 Liters / 4.76 US gal	18 Litres / 4.8 gal	12 Litres / 3.2 gal	25 Liters / 5.5 gal	15 Litres / 3.9 gal