Yamaha XS650 SE (1978-89)

The Yamaha XS650 SE was a motorcycle produced from 1978 to 1989 with a four stroke, parallel twin cylinder, SOHC engine and a capacity of 653cc. It had a compression ratio of 8.5:1, air cooling, and a wet sump lubrication system. The bike ran on 2 Mikuni BS34SU carburetors with an ignition system powered by a battery and induction coil. It was capable of generating 39.5 kW/53 hp at 7200 RPM and 54 Nm/5.5 kgf-m/39.8 lb-ft at 5500 RPM of max power and torque, respectively. The bike had a 5-speed transmission and was propelled through the final drive via a chain.

The Yamaha XS 650 SE had a telescopic fork front suspension and dual shock absorbers in the rear. Braking power was provided by twin hydraulic discs measuring 267 mm for the front and a single hydraulic disc of that size for the rear. The front and rear tires had widths of 3.50S-19 and 130/90S-16, respectively. The bike’s dry weight was 210 kg/463 lbs, its length was 2130 mm/83.9″, its width was 930 mm/36.6″, and its height was 1225 mm/48.2″. Its wheelbase measured at 1435 mm/56.5″, followed by a ground clearance of 135 mm/5.3″ and a seat height of 785 mm/30.9″.

To conclude, the Yamaha XS 650 SE was a sturdy motorcycle designed for touring and pleasure riding. Its strong engine and suspension system allowed riders to travel long distances comfortably. Overall, the bike was a reliable and long-lasting addition to the Yamaha motorcycle line.

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Technical specifications:

Make Model: Yamaha XS 650SE

Year: 1978 – 89

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