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Yamaha XS 650 / XS 650D

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Make Model

Yamaha XS 650 / XS 650D

Year

1977

Engine

Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder

Capacity

653 cc / 39.8 cu-in
Bore x Stroke 75 x 74 mm
Compression Ratio 8.4:1
Cooling System Air cooled
Lubrication Wet sump

Induction

2x Mikuni BS38 carburetors

Ignition

Battery, induction coil

Starting

Electric and kick

Max Power

39.5 kW / 53 hp @ 7200 rpm

Max Torque

54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm

Transmission

5 Speed

Final Drive

Chain

Front Suspension

Telescopic forks

Rear Suspension

Dual shock absorbers

Front Brakes

Twin hydraulic discs, 267 mm

Rear Brakes

Drum

Front Tyre

3.50H-19 4PR

Rear Tyre

4.00H-18 4PR

Dimensions

Length:  2175 mm / 85.6 in
Width:      780 mm / 30.7 in
Height:   1090 mm / 42.9 in

Wheelbase

1435 mm / 56.5 in

Ground Clearance

150 mm / 5.5 in

Seat Height

810 mm / 31.9 in

Dry Weight

191 kg / 420 lbs

Wet Weight

217 kg / 478 lbs

Fuel Capacity 

15 Litres / 4.0 US gal

Average Consumption

5.0 L/100 km / 20 km/l / 47 US mpg

Oil Capacity 

2.5 Litres / 2.6 US qts

Top Speed

185 km/h / 115 mph
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