Yamaha XS 1100 Sport (1981) vs Yamaha XT 225 Serow (1997-99) vs Yamaha XS 650 Midnight Special (1981)

Comparison technical specifications

Add bike	Remove bike	Remove bike	Remove bike
Make:	Yamaha	Yamaha	Yamaha
Model:	XS 1100 Sport	XT 225 Serow	XS 650 Midnight Special
Years:	1981	1997-99	1981
Engine:	Four stroke transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, single cylinder, SOHC, 2 valve	Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder.
Capacity:	1101 cc / 67.2 cu-in	223 cc / 13.6 cu-in	653 cc / 39.8 cu in
Bore x Stroke:	71.5 x 68.6 mm	70 X 58mm	75 x 74 mm
Cooling System:	Air cooled	Air cooled	Air cooled
Compression Ratio:	9.2:1	9.5:1	8.5:1
Induction:	4x Mikuni BS 34SS Carburettor	34mm Mikuni carburetor	2 x Mikuni BS34SU carburetors
Ignition:	TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only	CDI	Battery, induction coil
Starting:	Electric	Electric & Kick	Electric and kick
Max Power:	95 hp / 70.8 kW @ 8500 rpm	20 hp / 15 kW @ 8000 rpm	39.5 kW / 53 hp @ 7200 rpm
Max Torque:	9.2 kgf-m / 66.5 lb-ft @ 6500 rpm	19 Nm / 14 lb-ft @ 7000 rpm	54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 5500 rpm
Transmission:	5 Speed	6 Speed	5 Speed
Final Drive:	Shaft	Chain	Chain
Front Suspension:	Telescopic fork.	Telescopic fork	Telescopic forks
Rear Suspension:	Dual shocks Swing arm, preload adjustable	Swingarm rebound adjustable. single shock	Dual shock absorbers
Front Brakes:	2x 298mm discs	Single 220mm disc	Twin hydraulic discs, 267 mm
Rear Brakes:	Single 298mm disc	Single disc	Single hydraulic disc, 267 mm
Front Tyre:	3.50-19	2.75-21	3.50S-19
Rear Tyre:	4.50-17	120/80-18	130/90S-16
Seat Height:	800 mm / 31.5 in	810 mm / 31.9 in	785 mm / 30.9"
Fuel Capacity:	22 Litres / 5.8 gal	9.8 Liters / 2.6 US gal	11.5 Litres / 3.0 US gal