Suzuki RG 400 (1985-86) vs Yamaha MT-01 (2010) vs Yamaha TZR 250 (1987) vs Aprilia SR Motard 125 (2012-14)

Comparison technical specifications

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Make:	Suzuki	Yamaha	Yamaha	Aprilia
Model:	RG 400	MT-01	TZR 250	SR Motard 125
Years:	1985-86	2010	1987	2012-14
Engine:	Two stroke, square four cylinder, rotary valve with exhaust port valves	Four stroke, 48° V-Twin cylinder, SOHC, 4 valves per cylinder.	Two stroke, parallel twin cylinders, read valve,	Four stroke, single cylinder, SOHC, 4 valves
Capacity:	397 cc / 24.2 cu in	1670 cc / 101.9 cu-in	249 cc / 15.2 cu-in	124 cc / 7.6 cu in
Bore x Stroke:	50 x 50.6 mm	97 x 113 mm	56.4 x 50 mm	57 x 48.6 mm
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Forced air
Induction:	4 x 28 mm Mikuni VM28SH Flatslide carburetors	Twin-bore fuel injection (FI)	2x Mikuni TM28SS carburetor	Electronic injection
Starting:	Kick	Electric	Kick	Electric and kick
Max Power:	43.1 kW / 59 hp @ 9000 rpm	66.3 kW / 90 hp @ 4750 rpm	50 hp / 36.4 kW @ 10000 rpm	6.8 kW / 9.3 hp @ 8500 rpm
Max Torque:	48 Nm / 4.9 kgf-m / 35.4 lb-ft @ 8500 rpm	150.1Nm / 110.7lb-ft @ 3750rpm	35.5 Nm / 26.2 lb-ft @ 9750 rpm	8.1 Nm / 0.83 kgf-m / 6.0 lb-ft @ 7500 rpm
Transmission:	6 Speed	5 Speed	6 speed	Automatic continuously variable transmission (CVT) with torque server
Final Drive:	Chain	Chain	Chain	Belt
Front Suspension:	Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing.	Inverted telescopic fork;	Telescopic fork adjustable preload	Hydraulic telescopic fork with straight stanchions
Front Wheel Travel:	130 mm / 5.1 in	120 mm / 4.7 in	140 mm / 5.5 in	86 mm / 3.4 in
Rear Suspension:	Full floating system, shock absorber, adjustable for spring preload	Swingarm with fully adjustable single shock;	Coil and gas spring preload 9-way preload position	Single arm with engine crankcase as swinging element, served by a single dual chamber shock with 4-setting adjustable spring preload
Rear Wheel Travel:	127 mm / 5.0 in	117 mm / 4.6 in	100 m / 3.9 in	82 mm / 3.2 in
Front Brakes:	2 x 260 mm Discs, 4-piston calipers	2x 320 mm discs 4 piston calipers	Single 320mm discs 2 piston calipers	Single Ø220 mm disc, 2 x Ø25.4 mm dual piston floating caliper
Rear Brakes:	Single 210 mm disc, 2-piston caliper	Single 267 mm disc 1 piston caliper	Single 210mm disc 1 piston caliper	Ø140 mm Drum
Front Tyre:	110/90 V16	120/70 ZR18	100/80-17	120/70 - 14
Rear Tyre:	120/90 V17	190/50 ZR17	120/80-17	120/70 - 14
Dimensions:	Length: 2100 mm / 82.7 in Width: 695 mm / 27.4 in Height: 1185 mm / 46.7 in	Height 1105 mm / 43.5 in Length 2185 mm / 86.0 in Width 800 mm / 31.5 in	Length 2005 mm / 78.9 in Width 660 mm / 25.9 in	Length: 1953 mm / 76.9 in Width: 729 mm / 28.7 in
Wheelbase:	1425 mm / 56.1 in	1525 mm / 60.0 in	1375 mm / 54.1 in	1346 mm / 53.0 in
Seat Height:	770 mm / 30.3 in	825 mm / 32.5 in	760 mm / 29.9in	775 mm / 30.5 in
Dry Weight:	154 kg / 340 lbs	240 kg / 529.1 lbs	128 kg / 282.1 lbs	122 kg / 269 lbs
Fuel Capacity:	22 Litres / 5.8 US gal / 4.8 Imp gal	15 Litres / 3.2 gal	16 Litres / 4.2 US gal	7 liters / 1.8 US gal