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Yamaha Specifications

Yamaha XS 650 (1972)

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Yamaha XS 650 (1972)

At a glance

Capacity
653 cc / 39.8 cu in
Power
39.5 kW / 53 hp @ 7200 rpm
Torque
54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm

The full picture.

The Yamaha XS 650 (XS-2) motorcycle was produced in 1972 and featured a four-stroke, parallel twin-cylinder engine with a capacity of 653 cc. The engine had a compression ratio of 8.4:1 and was cooled by air with wet sump lubrication. It had 2 valve per cylinder, with a bore x stroke of 75 x 74 mm. Induction was done through 2 Mikuni BS38 carburettors and it was ignited by battery and induction coil. Starting was through kick. The motorcycle had a maximum power of 39.5 kW or 53 hp at 7200 rpm and a maximum torque of 54 Nm at 6800 rpm. Transmission was via a 5-speed gearbox with a final drive through chain. The front suspension featured telescopic forks with dual shock absorbers at the rear. It had a single disc front brake and a drum rear brake, with tyre sizes of 3.50-19 and 4.00-18 respectively. The motorcycle had dimensions of 2175 mm (length) x 905 mm (width) x 1135 mm (height) with a wheelbase of 1410 mm and ground clearance of 150 mm. The dry weight was 185 kg with a fuel capacity of 12.5 litres and oil capacity of 3.0 litres. The top speed of the Yamaha XS 650 was 185 km/h or 115 mph.


Technical specifications:

Make Model: Yamaha XS 650 (XS-2)

Motorcycle technical specifications
Year1972
EngineFour stroke, parallel twin cylinder, SOHC, 2 valves per cylinder.
Capacity653 cc / 39.8 cu in
Bore x Stroke75 x 74 mm
Compression Ratio8.4:1
Cooling SystemAir cooled
LubricationWet sump
Induction2 x Mikuni BS38 carburetors
IgnitionBattery, induction coil
StartingKick
Max Power39.5 kW / 53 hp @ 7200 rpm
Max Torque54 Nm / 5.5 kgf-m / 39.8 lb-ft @ 6800 rpm
Transmission5 Speed
Final DriveChain
Front SuspensionTelescopic forks
Rear SuspensionDual shock absorbers
Front BrakesSingle disc
Rear BrakesDrum
Front Tyre3.50-19
Rear Tyre4.00-18
DimensionsLength: 2175 mm / 85.6″Width: 905 mm / 35.0″Height: 1135 mm / 44.7″
Wheelbase1410 mm / 55.5″
Ground Clearance150 mm / 5.5″
Dry Weight185 kg / 408 lbs
Fuel Capacity12.5 Litres / 3.3 US gal
Oil Capacity3.0 Litres / 3.2 US qts
Top Speed185 km/h / 115 mph