Yamaha XS 1100LH Midnight Special (1981) vs Laverda 750GT "America Eagle" (1968-71) vs Kawasaki Z 900LTD (1976) vs Kawasaki BJ 250 Estrella (1991-95) vs Aprilia RS 125 Poggiali Replica (2005) vs Yamaha XVZ 1300 TF Royal Star Venture (1999) vs Yamaha XS 400 (1977-78)

Comparison technical specifications

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Make:	Yamaha	Laverda	Kawasaki	Kawasaki	Aprilia	Yamaha	Yamaha
Model:	XS 1100LH Midnight Special	750GT "America Eagle"	Z 900LTD	BJ 250 Estrella	RS 125 Poggiali Replica	XVZ 1300 TF Royal Star Venture	XS 400
Years:	1981	1968-71	1976	1991-95	2005	1999	1977-78
Engine:	Four stroke transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, parallel twin cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Four stroke, single cylinder, SOHV , 2 valves	Single cylinder, two stroke, reed valves induction	Four stroke, 72° V-4 cylinder, DOHC, 4 valves per cylinder	Four stroke, 180° parallel twin, SOHC, 2 valves per cylinder
Capacity:	1101 cc / 67.2 cu-in	753.9 cc / 46.0 cu-in	903 cc / 55.1 cu-in	249 cc / 15.2 cu-in	125 cc / 7.6 cu in	1294 cc / 78.9 cu-in	392 cc / 23.9 cu-in
Bore x Stroke:	71.5 x 68.6 mm	80 x 74 mm	66 x 66 mm	66 X 63 mm	54 x 54.5mm	79 х 66 mm	69.0 x 52.4 mm
Compression Ratio:	9.2:1	7.7:1	8.5:1	9.0:1	14.5:1	10.0:1	9.2:1
Induction:	4x Mikuni BS 34SS Carburettor	2x 30mm Dell'Orto vhb30 carburetors	4x 26mm Mikuni VM26SS	Carburetor	Dell'Orto VHSB 34LD	4x Mikuni carburetors	2x Mikuni BS32 carburetors
Ignition:	TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only	Bosch	Mechanical breaker dual lead coil	CDI	Electronic	Electronic	Battery ignition - With contact breaker points
Max Power:	95 hp / 70.8 kW @ 8500 rpm	52 hp / 38 kW @ 6900 rpm	82 hp / 59.8 kW @ 8500 rpm	20 hp / 14.9 kW @ 6000 rpm	21 kW / 28 hp @ 10500 rpm	75 hp / 54.7 kW @ 4750 rpm	36 hp / 26.8 kW @ 8100 rpm
Transmission:	5 Speed	5 Speed	5 Speed	5 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Shaft	Chain	Chain	Chain	Chain	Shaft	Chain
Front Suspension:	Telescopic fork.	Marzocchi telescopic forks	36mm Telescopic forks	Telescopic forks	Upside-down forks, Ø 40mm	Air assisted telescopic fork	Telescopic fork
Rear Suspension:	Dual shocks Swing arm, preload adjustable	Swinging arm dual shocks	Dual shock, 5-way preload adjustment	Dual shocks	Monoshock	Single air-adjustable shock absorber, adjustable for rebound dampening, producing	Dual shocks swing arm, preload adjustable
Front Brakes:	2x 298mm discs	Single 230mm drum	Single 296mm disc 2 piston caliper	Single 300mm disc	Single 320 mm discs, 4 piston caliper	2x 298mm discs 4 piston calipers	Single disc
Rear Brakes:	Single 298mm disc	200mm Drum	Single 277mm disc	Single 230mm disc	Single 240 mm disc, 2 piston caliper	Single 320mm disc 1 piston caliper	Drum
Front Tyre:	3.50-19	3.50-18	3.25H-19	90/90-18 51 P	110/70-17	150/80-16	3.00-18
Rear Tyre:	130/90 -16	4.00-18	4.00S-16	110/90-17 60 P	150/60-17	150/90-15	3.50-18
Fuel Capacity:	15 Litres / 3.9 US gal	19 Litres / 5.0 US gal	18 Litres / 4.7 gal	14 Litres / 3.7 US gal	14 L / 3.7 US gal	18 Litres / 4.7 US gal	14 Litres / 3.7 US gal