Aprilia SR50

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The Aprilia SR50R was a single cylinder, two-stroke scooter motorcycle produced between 1995 and 2018. It could reach a top speed of 28 mph (45 km/h). Max torque was 2.8 ft/lbs (3.8 Nm) @ 8000 RPM. Claimed horsepower was 4.43 HP (3.3 KW) @ 9500 RPM.

Engine

The engine was a liquid cooled single cylinder, two-stroke. A 40.0mm bore x 39.3mm stroke result in a displacement of just 49.0 cubic centimeters. The engine featured a 12.1:1 compression ratio. Fuel was supplied via a single overhead cams (sohc).

Drive

The bike has a automatic transmission. The final drive was via belt. Power was moderated via the automatic centrifugal dry clutch.

Chassis

It came with a 130/60-13 front tire and a 130/60-13 rear tire. Stopping was achieved via single disc. 2 opposing pistons in the front and a single disc. 2 opposing pistons in the rear. The front suspension was a telescopic hydraulic fork while the rear was equiped with a engine unit acting as swingarm. monoshock.. The SR50R was fitted with a 1.85 Gallon (7.00 Liters) fuel tank. The bike weighed just 233.69 pounds (106.0 Kg). The wheelbase was 50.79 inches (1290 mm) long.

In Media

This Scooter has appeared in countless Italian movies.