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Yamaha XS 850SG Special

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Make Model

Yamaha XS 850SG Special

Year

1980

Engine

Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder

Capacity

826 cc / 50.4 cu in
Bore x Stroke 71.5 x 68.6 mm
Compression Ratio 9.2:1
Cooling System Air cooled
Lubrication System Wet sump

Induction

3 x 34mm Hitachi HSC34 carburetors

Ignition

Transistor controlled

Starting

Electric and kick

Max Power

57.7 kW / 79 hp @ 8500 rpm

Max Torque

66.7 Nm / 6.8 kgf-m / 49.2 ft-lb @ 6500 rpm

Transmission

5 Speed

Final Drive

Shaft

Front Suspension

Air assisted telescopic forks

Front Wheel Travel

175 mm / 6.9 in

Rear Suspension

Swing arm 4-way adjustable damping

Rear Wheel Travel

99 mm / 3.9 in

Front Brakes

2 x 267mm Discs, 1 piston calipers

Rear Brakes

Single 267mm disc, 1 piston caliper

Front Tyre

3.25H-19

Rear Tyre

4.00H-17

Dimensions

Length:  2175 mm / 85.6 in
Width:      900 mm / 35.4 in
Height:   1190 mm / 46.9 in

Wheelbase

1450 mm / 57.1 in

Grounc Clearance

140 mm / 5.5 in

Dry Weight

241 kg / 531 lbs

Wet Weight

258 kg / 569 lbs

Fuel Capacity 

24 Litres / 6.3 US gal

Standing ¼ Mile

13.3 sec / 158 km/h / 98.2 mph

Road Test

Motor Cycling 1980

Two Wheels 1980

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