Yamaha XS 650 SE (1980-81)

The Yamaha XS 650SE II is a motorcycle produced from 1980 to 1981. It is equipped with a four-stroke, parallel twin-cylinder SOHC engine with 2 valves per cylinder, and has a capacity of 653cc/39.8cu in. The bike has a compression ratio of 8.5:1 and is air-cooled with wet sump lubrication. The XS 650SE II has an induction system of 2 Mikuni BS34SU carburetors with battery and induction coil ignition. The motorcycle has both electric and kick starting capabilities. The maximum power of the XS 650SE II is 39.5 kW/53 hp at 7200 rpm, with a maximum torque of 54 Nm/5.5 kgf-m/39.8 lb-ft at 5500 rpm. The transmission is a 5-speed gearbox with a chain final drive. The front suspension is telescopic forks, while the rear suspension consists of dual shock absorbers. The front brakes are twin hydraulic discs with 267mm diameter, while the rear brake is a single hydraulic disk also with a 267mm diameter. The motorcycle has a front tire size of 3.50S-19, and a rear tire size of 130/90S-16. The XS 650SE II has a length of 2130mm/83.9”, width of 930mm/36.6”, height of 1225mm/48.2”, and a wheelbase of 1435mm/56.5”. The ground clearance is 135mm/5.3”, the seat height is 785mm/30.9”, and the dry weight is 210kg/463lbs. The XS 650SE II has a fuel capacity of 11.5 liters/3.0 US gal, and an oil capacity of 2.5 liters/2.6 US qts.

Technical specifications:

Make Model: Yamaha XS 650SE II

Year: 1980 – 81
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: 8.5:1
Cooling System: Air cooled
Lubrication: Wet sump
Induction: 2 x Mikuni BS34SU 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 @ 5500 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: Single hydraulic disc, 267 mm
Front Tyre: 3.50S-19
Rear Tyre: 130/90S-16
Dimensions: Length: 2130 mm / 83.9″Width: 930 mm / 36.6″Height: 1225 mm / 48.2″
Wheelbase: 1435 mm / 56.5″
Ground Clearance: 135 mm / 5.3″
Seat Height: 785 mm / 30.9″
Dry Weight: 210 kg / 463 lbs
Fuel Capacity: 11.5 Litres / 3.0 US gal
Oil Capacity: 2.5 Litres / 2.6 US qts