Yamaha TX 650-III (1980) vs Yamaha SR 400 (2010-11) vs Yamaha TDR 250 (1989) vs Yamaha XMAX 125 (2006-08) vs Yamaha WR 250R (2014) vs Yamaha MT 25 (2017-18) vs Yamaha YZF R6S (2008-09) vs Yamaha YBR 125 (2010-) vs Yamaha YZF1000 R1 (2003) vs Yamaha RD 350 (1973) vs Ducati 350 Indiana (1986-90) vs Yamaha YZF1000 R1 (2008) vs Yamaha XSR 700 (2018-19)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Ducati	Yamaha	Yamaha
Model:	TX 650-III	SR 400	TDR 250	XMAX 125	WR 250R	MT 25	YZF R6S	YBR 125	YZF1000 R1	RD 350	350 Indiana	YZF1000 R1	XSR 700
Years:	1980	2010-11	1989	2006-08	2014	2017-18	2008-09	2010-	2003	1973	1986-90	2008	2018-19
Engine:	Air cooled, four stroke, parallel twin cylinder.	Four stroke, single cylinder, SOHC, 2 valves per cylinder.	Liquid cooled, two stroke, parallel twin cylinder, read valve,	Four stroke, single cylinder	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, SOHC, 2 valves	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.	Two stroke, parallel twin cylinder, reed valves	Four stroke, twin cylinder, belt driven desmodromic OHC	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, Parallel twin cylinder, DOHC, 4-valve per cylinder
Capacity:	653	399 cc / 24.3 cu-in	249	124 cc / 7.6 cu-in	249 cc / 15.2 cub in.	249 cc / 15.1 cu-in	599 cc / 36.5 cu-in	124 cc / 7.6 cu-in	998 cc / 60.9 cu-in	347 cc / 21.1 cu-in	349 cc / 21.3 cu in	998 cc / 60.9 cu-in	689 cc / 42.0 cu-in
Bore x Stroke:	75 х 74 mm	87 х 67.2 mm	56.4 х 50 mm	52 x 58.6 mm	77 x 53.6 mm	60 x 44.1 mm	67 x 42.5 mm	54 x 54 mm	74 x 58 mm	64 х 54 mm	66 x 51 mm	77 X 53.6 mm	80.0 x 68.6 mm
Compression Ratio:	8.4:1	8.5:1	5.9:1	11.2:1	11.8:1	11.6:1	12.8:1	10.0:1	11.8:1	6.6:1	10:1	12.7:1	11.5 : 1
Induction:	2x 30.+mm Mikuni	Fuel injection	2x 28mm Mikuni carbs	Fuel Injection	Electronic fuel injection	Electronic Fuel Injection	Fuel Injection	Fuel infection	Fuel injection, dual-valve throttle bodies with motor-driven secondary valves, 45 mm throttle body	2, Mikuni VM28 SC	Dell-Orto PHF 30DD	Fuel Injection with YCC-T and YCC-I	Fuel Injection
Max Power:	50 hp @ 7500 rpm	27 hp / 17.1 KW @ 7000 rpm	46 hp @ 9500 rpm	13.8 hp / 10.1 kW @ 8750 rpm	22.6 kW / 30.7 hp @ 10,000 rpm	26.5 kW / 36 PS @ 12000 rpm	127 hp / 94.7 kW @14500 rpm	10.1 hp / 7.4 kW @ 7800 rrpm	152 hp / 110.8 kW @ 10500 rpm	39 hp / 28.5 kW @ 7500 rpm	27.9 kW / 38 hp @ 9250 rpm	132.4 kW / 180 hp @ 12500 rpm	55.0 kW / 74.8 PS @ 9000 rpm
Front Suspension:		Telescopic fork	Air assisted telescopic forks7-way adjustable preload,	Hydraulic telescopic fork	Telescopic forks	Telescopic forks;	41mm upside down forks with 2-way compression damping adjustable	Telescopic forks	43mm inverted telescopic forks, preload, compression and rebound damping adjustable.	Telescopic forks	40 mm Marzocchi PA 185/40	43mm inverted telescopic fork w/adjustable preload, compression damping, rebound damping;	Telescopic forks
Rear Suspension:		Dual shocks	Single shock rising rate adjustable preload,	Hydraulic unit swing	Swingarm link suspension	KYBÂ® single shock. swinging arm	Fully adjustable rear shock absorber with 2-way compression damping	Bottom link swingarm	Truss-type Aluminium swinging arm Monocross, preload, compression and rebound damping adjustable.	Dual shocks	Swingarm, dual Marzocchi A84 shocks	Single shock w/piggyback reservoir; adjustable for hi-/lo-speed compression damping, rebound damping, spring preload	Swingarm, (Link type suspension)
Front Brakes:	2x 297mm discs	Single disc	Single 320mm disc 2 piston calipers	Single 267mm disc	Single 250mm disc	Single 298mm disc 2 piston caliper	2x 320mm discs	Single 245mm disc	2 x 298mm discs 4 piston calipers	Single 267mm disc 2 piston caliper	Single 260 mm disc	2 x 310mm discs 6 piston calipers	2x 282mm Hydraulic discs
Rear Brakes:	Drum	Drum	Single 210mm disc single piston caliper	Single 240mm disc	Single 230mm disc	Single 220mm disc 2 piston caliper	Single 220mm disc	Drum	Single 220mm disc 4 piston caliper	178mm Drum	Single 280 mm disc	Single 220mm disc 1 piston caliper	Single 245mm Hydraulic disc
Front Tyre:	3.50-19	3.50-19	110/90-18	120/70-M15	80/100 -21	110/70-17M/C 54H	120/70 ZR17	90/90-M21	120/70 ZR17	3.00-18	110/90-18	120/70 ZR17	120/70 ZR 17M/C(58V) (Tubeless)
Rear Tyre:	4.00-18	4.00-16	120/80-17	140/70-M14	120/80 -18	140/70-17M/C 66H 5.1 in of trave	180/55 ZR17	90/90-M18	190/50 ZR17	3.25-18	140/90-15	190/50 ZR17	180/55 ZR 17M/C(73V) (Tubeless)