Hyosung GV 125 Aquila (1998-06) vs Yamaha XT 660X (2010) vs Yamaha SRX 250 (1987-90)

Comparison technical specifications

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Make:	Hyosung	Yamaha	Yamaha
Model:	GV 125 Aquila	XT 660X	SRX 250
Years:	1998-06	2010	1987-90
Engine:	Four stroke, 75°V twin, DOHC, 4 valve per cylinder	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, single cylinder, DOHC, 4 valves
Capacity:	124 cc / 7.6 cu-in	659 cc/ 40.2 cu-in	249 cc / 15.2 cu-in
Bore x Stroke:	44.0 x 41.0 mm	100 x 84 mm	73 х 59.6 mm
Cooling System:	Air/oil cooled	Liquid cooled	Air cooled
Compression Ratio:	11.2:1	10: 1	10.0:1
Induction:	2x 26mm Mikuni BDS carburetor	Fuel injection, 44 mm throttle body	Y22PV Teikei carburetor
Ignition:	CDI	TCI	TCI
Starting:	Electric	Electric	Electric
Max Power:	14.2 hp / 10.7 kW @ 10300 rpm	33.8 kW / 48 hp @ 6000 rpm	32 hp / 23.8 kW @ 10000 rpm
Max Torque:	9.7 Nm / 7.2 lb-ft @ 10000 rpm	58.4 Nm / 5.7 kgf-m @ 5250 rpm	2.4 kgf-m / 17.3 lb-ft @ 8500 rpm
Transmission:	S peed	5 Speed	6 Speed
Final Drive:	Chain	Chain	Chain
Front Suspension:	Telescopic forks	43 mm Telescopic forks,	Centre axle 33mm forks
Front Wheel Travel:	120 mm / 4.7 in	225 mm / 8.8 in	140 mm / 5.9 in
Rear Suspension:	Swinging arm	Oscillating arm standard Monocross.	Single shock, adjustable spring preload
Rear Wheel Travel:	80 mm / 3.1 in	200 mm / 7.9 in	100 mm / 3.9 in
Front Brakes:	Single 280mm disc	Single 320mm disc 4 piston caliper	Single disc 2 piston caliper
Rear Brakes:	130mm Drum	Single 245mm disc 1 piston caliper	Drum
Front Tyre:	110/90 -16	120/700-17	90/90-16
Rear Tyre:	130/90 -15	160/60-17	100/90-18
Seat Height:	665 mm / 26.2 in	875mm / 34.4 in	780 mm / 30.7 in
Dry Weight:	138 kg	173 kg / 318.4 lbs	123 kg / 371 lbs
Fuel Capacity:	14 Litres / 3.7 US gal	15 Litres / 3.9 gal	9 Litres / 2.3 US gal