Yamaha SR 400 (1981-82) vs KTM 990 Super Duke (2004) vs Maico GP 360 (1988) vs Suzuki ST 250E (2004-07) vs Suzuki GS 750TZ (1982-83) vs BMW R 100R (1993-94) vs Kawasaki ER-6n (2012) vs Piaggio MP3 400 ABS (2009-10) vs Suzuki RG 125E (1980-84) vs Maico Enduro 250 (2003-07)

Comparison technical specifications

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Make:	Yamaha	KTM	Maico	Suzuki	Suzuki	BMW	Kawasaki	Piaggio	Suzuki	Maico
Model:	SR 400	990 Super Duke	GP 360	ST 250E	GS 750TZ	R 100R	ER-6n	MP3 400 ABS	RG 125E	Enduro 250
Years:	1981-82	2004	1988	2004-07	1982-83	1993-94	2012	2009-10	1980-84	2003-07
Engine:	Four stroke, single cylinder, SOHC, 2 valves per cylinder.	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Single cylinder, two stroke, SOHC	Four stroke, single cylinder, SOHC, 2 valves	Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder.	Four stroke, parallel twin, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, SOHC, 4 valve Piaggio MASTER, catalysed	Single cylinder, two-stroke, piston valve	Single cylinder, two stroke
Capacity:	399 cc / 24.3 cu-in	999.8 cc / 60.9 cu-in	354 cc / 21.6 cub in.	249 cc / 15.2 cu in	748 cc / 45.6 cu in	980 cc / 59.8 cub in.	649 cc / 39.6 cu-in	398.9 cc / 24.3 cub in.	124 cc / 7.6 cu in	247 cc / 15.1 cub in
Bore x Stroke:	87 х 67.2 mm	101 x 62.4mm	77 x 76 mm	72.0 x 61.2 mm	67 x 53.4 mm	94 x 70.6 mm	83 X 60 mm	69 x 85.5 mm	43 х 43 mm	67 x 70 mm
Compression Ratio:	8.5:1	11.5:1	13.5:1	9.2:1	9.4:1	8.5:1	11.3;1	10.5:1	6.8:1	15.5:1
Cooling System:	Air cooled	Liquid cooling,	Liquid cooled	Air/oil cooled	Air cooled	Air/oil cooled	Liquid cooled,	Liquid cooled	Air cooled	Liquid cooled
Starting:	Kick	Electric	Kick	Electric and kick	Electric	Electric	Electric	Electric	Kick	Kick
Max Power:	27 hp / 17.1 KW @ 7000 rpm	88 kW / 120 hp @ 9000 rpm	12.4 kW / 16.9 hp @ 6800 rpm (restricted)	15 kW / 20 hp @ 7500 rpm	49.6 kW / 68 hp @ 8500 rpm	44 KW / 60 hp @ 6500 rpm	53 kW / 72.1 hp @ 8500 rpm	25 kW / 34 hp @ 7500 rpm	11.9 kW / 16 hp @ 9500 rpm	40.3 kW / 54 hp @ 5400 rpm
Transmission:	5 Speed	6 Speed	5-Speed	5 Speed, constant mesh	5 Speed	5 Speed	6 Speed	CVT, Twist and go	5 Speed constant mesh	5-Speed
Front Brakes:	Single disc	2x 320mm discs 4 piston calipers	Disc	Single disc	Single 292 mm disc, 1 piston calipers	2 x ∅285mm disc 4 piston calipers	2x 300mm discs 2 piston Calipers	2 x 240mm discs 2 piston caliper, ABS	Single disc, hydraulic	Single disc, 260 mm, 2-piston caliper, Brembo
Rear Brakes:	Drum	Single 240mm disc 1 piston caliper	Disc	Drum	Drum	Single ∅200mm disc	Single 220mm disc 1 piston Caliper	Single 240mm disc, 2 piston caliper, ABS	Drum, internal expanding	Single disc, 220 mm , 1-piston caliper, Brembo
Front Tyre:	3.50-19	120/70 ZR17	3.00 x 21 in.	90/90-18M/C 51S	3.25 H19	110 / 80 V18, Metzeler ME33 Lazer	120/70ZR17	120/70-12 in.	2.75-18	90/90-21
Rear Tyre:	4.00-16	180/55 ZR17	4.10 x 18 in.	110/90-18M/C 61S	4.50 H17	140 / 80 V 17, Metzeler ME55A Metronic	160/60ZR17	140/70-15 in/	3.00-18	140/80-18