Yamaha XS 1100SF Special (1979) technical specifications

Yamaha XS 1100SF Special is produced in 1979. Engine is Four stroke transverse four cylinder, DOHC, 2 valves per cylinder., displacement 1101 cc / 67.2 cu-in , produces power 95 hp / 70.8 kW @ 8500 rpm and 9.2 kgf-m / 66.5 lb-ft @ 6500 rpm. Yamaha XS 1100SF Special top speed is 126 mph / 202.8 km/h. Yamaha XS 1100SF Special wet weight is 258 kg / 568.7 lbs. Yamaha XS 1100SF Special has 4 photos.

Technical specifications

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Model:	XS 1100SF Special
Years:	1979
Engine:	Four stroke transverse four cylinder, DOHC, 2 valves per cylinder.
Capacity:	1101 cc / 67.2 cu-in
Bore x Stroke:	71.5 x 68.6 mm
Cooling System:	Air cooled
Compression Ratio:	9.2:1
Induction:	4x Mikuni BS 34SS Carburettor
Lubrication:	Wet sump
Ignition:	TCI additional vacuum adjusted! / electric kick starter - Witch is separated from the engine, for emergency mounting only
Spark Plug:	BP6ES (NGK) or N-8Y (Champion)
Battery:	GM 18Z-3A / 12v, 20 AH
Generator:	A.C. Generator, voltage regulator, rectifier
Starting:	Electric
Max Power:	95 hp / 70.8 kW @ 8500 rpm
Max Torque:	9.2 kgf-m / 66.5 lb-ft @ 6500 rpm
Clutch:	Wet, multi-disc (8 drive plates, 7 driven plates)
Transmission:	5 Speed
Primary Reduction System:	HY-VO chain & gear
Primary Reduction Ratio:	25/25 x 58/35 = 1.657
Final Drive:	Shaft
Gear Ratio:	1st 38/17 (2.235) 2nd 39/24 (1.625) 3rd 36/28 (1.286) 4th 32/31 (1.032) 5th 30/34 (0.882)
Front Suspension:	Telescopic fork.
Front Wheel Travel:	175 mm / 6.8 in
Rear Suspension:	Dual shocks Swing arm, preload adjustable
Rear Wheel Travel:	80 mm / 3.1 in
Front Brakes:	2x 298mm discs
Rear Brakes:	Single 298mm disc
Front Tyre:	3.50-19
Rear Tyre:	4.50-16
Rake:	29º 30
Trail:	130 mm / 5.1 in
Wet Weight:	258 kg / 568.7 lbs
Fuel Capacity:	15 Litres / 3.9 US gal
Consumption Average:	40.3 mpg
Braking 100 - 0:	39.7 m
Standing ¼ Mile:	11.7 sec / 114.2 mph 183.8 km/h
Top Speed:	126 mph / 202.8 km/h