Yamaha XS 650 (1971)

The Yamaha XS 650 (XS-1F) was a classic motorcycle that was manufactured in 1971. It had a four-stroke, parallel twin-cylinder engine with a capacity of 653cc and produced a maximum power of 39.5kw/53hp at 7200rpm. The bike had a compression ratio of 8.4:1 and came with a battery induction coil ignition system. It was air-cooled with wet sump lubrication and ran on 2x Mikuni BS38 carburetors. The bike had a five-speed transmission and a chain final drive. The front suspension was telescopic, and it had dual shock absorbers in the rear. The front brake was a single disk, while the rear had a drum brake. The Yamaha XS 650 had a length of 2175mm, width of 905mm, and height of 1135mm, and its wheelbase was 1410mm. The ground clearance was 150mm, and the bike weighed 185kg. The fuel capacity was 12.5 litres, and its oil capacity was 3.0 litres. The bike could reach a top speed of 185km/h (115mph). It had a front tyre of 3.50-19 and a rear tyre of 4.00-18. All of these features made the Yamaha XS 650 a highly coveted classic motorcycle.

Technical specifications:

Make Model: Yamaha XS 650 (XS-1F)

Year: 1971

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: 2 x Mikuni BS38 carburetors
Ignition: Battery, induction coil
Starting: 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: Single disc
Rear Brakes: Drum
Front Tyre: 3.50-19
Rear Tyre: 4.00-18
Dimensions: Length: 2175 mm / 85.6″Width: 905 mm / 35.0″Height: 1135 mm / 44.7″
Wheelbase: 1410 mm / 55.5″
Ground Clearance: 150 mm / 5.5″
Dry Weight: 185 kg / 408 lbs
Fuel Capacity: 12.5 Litres / 3.3 US gal
Oil Capacity: 3.0 Litres / 3.2 US qts
Top Speed: 185 km/h / 115 mph

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