Yamaha XS 1100LH Midnight Special (1981) vs Yamaha ST 225 Bronco (1997-) vs Yamaha XJ 900S Diversion (1997-00) vs Yamaha XJ 650 Seca (1981) vs Yamaha XV 250 Virago (1997-99) vs Yamaha TT-R 250 (1997-98) vs Yamaha RD / RZ 125LC (1981-82)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	XS 1100LH Midnight Special	ST 225 Bronco	XJ 900S Diversion	XJ 650 Seca	XV 250 Virago	TT-R 250	RD / RZ 125LC
Years:	1981	1997-	1997-00	1981	1997-99	1997-98	1981-82
Engine:	Four stroke transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, single cylinder, SOHC	Air cooled, four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder,	Four stroke, V-Twin cylinder, SOHC, 2 valve per cylinder	Four stroke, single cylinder, DOHC, 4-valve per cylinder.	Two stroke, single cylinder
Capacity:	1101 cc / 67.2 cu-in	223 cc / 13.6 cu-in	892 cc / 54.4 cu-in	653 cc / 39.8 cu-in	249 cc / 15.2 cu-in	249 cc / 15.1 cu-in	123 cc / 7.5 cu-in
Bore x Stroke:	71.5 x 68.6 mm	70 X 58mm	68.5 x 60.5 mm	63 х 52.4 mm	49 x 66 mm	73 x 59.6 mm	56 х 50 mm
Cooling System:	Air cooled	Air cooled	Air cooled	Air-cooled	Air cooled	Air-cooled	Liquid cooled
Compression Ratio:	9.2:1	9.5:1	10.0:1	9.2:1	10.0:1	10.3:1	6.4:1
Induction:	4x Mikuni BS 34SS Carburettor	34mm Mikuni BST34 carburetor	4x 31mm Mikuni CV	4x 32mm Hitachi carburetors	BDS26 Mikuni carburetor	TEIKEI Y30P carb	24mm Mikuni carburetors
Ignition:	TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only	CDI	Digital T.C.I	Transistorized	CDI	Digital CDI	Hitachi CDI
Starting:	Electric	Kick	Electric	Electric	Electric	Electric	Kick
Max Power:	95 hp / 70.8 kW @ 8500 rpm	20 hp / 14.9 kW @ 8000 rpm	89.5 hp / 65.2 kW @ 8250 rpm (rear tyre 79.9 hp @ 8200 rpm )	71 hp / 51.8 kW @ 9400 rpm	23 hp / 17.1 Kw @ 8000 rpm	28 hp / 20.6 kW @ 8500 rpm	20 hp / 15.5 kW @ 9500 rpm
Max Torque:	9.2 kgf-m / 66.5 lb-ft @ 6500 rpm	1.9 kgf-m / 13.7 lb-ft @ 7000 rpm	83.3 Nm / 61.4 lb-ft @ 7000 rpm	57 Nm / 42 lb-ft @ 7500 rpm	2.2 kgf-m / 15.9 lb-ft @ 6000 rpm	2.8 kgf-m / 27.1 Nm / 20.0 lb-ft @ 7000 rpm	1.6 kgf-m / 16 Nm @ 9250 rpm
Transmission:	5 Speed	6 Speed	5 Speed	5 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Shaft	Chain	Shaft	Shaft	Chain	Chain	Chain
Front Suspension:	Telescopic fork.	Telescopic fork: 226mm wheel travel	41mm Telescopic forks	36mm Kayaba forks	Telescopic forks	Telescopic forks, Coil air spring oil damper	32mm Telescopic forks
Rear Suspension:	Dual shocks Swing arm, preload adjustable	Swingarm rebound adjustable. single shock, 145mm.wheel travel	Swingarm Monocross	Duel Kayaba shocks	Dual shocks	Monocross, Single shock, link-type, w/adjustable preload	Monocross linkage 6-way preload adjustment
Front Brakes:	2x 298mm discs	Single 220mm disc	2x 320mm discs 2 piston calipers	2x 268mm disc 1 piston calipers	Single 282mm disc	Single 245mm disc	Single 245mm disc
Rear Brakes:	Single 298mm disc	Single 110mm drum	Single 245mm disc 2 piston caliper	Drum	130mm drum	Single 220mm disc	130mm Drum
Front Tyre:	3.50-19	2.75-19	120/70 -17	3.25-19	3.00-19	3.00-21	2.75-18-4PR
Rear Tyre:	130/90 -16	120/80-18	150/70 -17	120/90-18	130/90-15	4.60-18	3.00-18-6PR
Fuel Capacity:	15 Litres / 3.9 US gal	8.3 Litres / 2.2 US gal	24 Litres / 6.3 US gal	19.5 Litres / 5.1 US gal	9.5 Liters / 2.5 US gal	10.2 Litres / 2.7 US gal	13 Litres / 3.4 US gal