Harley-Davidson SX250: history, specs, pictures

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Harley-Davidson SX250
Manufacturer Harley-Davidson
Also called SX 250
Production 1976 - 1977
Engine single cylinder, two-stroke
Bore / Stroke 72.0mm x 59.6mm
Top speed 71 mph (115 km/h)
Horse Power 19.58 HP (14.6 KW) @ 7000RPM
Battery 10.3:1
Transmission Gear box: 5-speed
Final Drive: chain
Brakes Front: expanding brake
Rear: expanding brake
Front Tire 3.25-19
Rear Tire 4.00-18
Weight  (dry), 125.0 kg (wet)
Fuel capacity 2.77 Gallon (10.50 Liters)
Manuals Service Manual
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The Harley-Davidson SX250 was a single cylinder, two-stroke standard produced by Harley-Davidson between 1976 and 1977. It could reach a top speed of 71 mph (115 km/h). Claimed horsepower was 19.58 HP (14.6 KW) @ 7000 RPM.


The engine was a air cooled single cylinder, two-stroke. A 72.0mm bore x 59.6mm stroke result in a displacement of just 243.0 cubic centimeters. Fuel was supplied via a port control.


The bike has a 5-speed transmission.


It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake in the rear. The SX250 was fitted with a 2.77 Gallon (10.50 Liters) fuel tank.