Aprilia AS 125R (1985-86)

The Aprilia AS 125R is a two-stroke, single cylinder motorcycle that was produced in 1985-86. It has a capacity of 124cc and a compression ratio of 14.2:1. The bike is liquid cooled with a Dell’Orto carburetor and electronic ignition. It has both electric and kick starting and a multi-disc oil bath clutch. The motorcycle has a maximum power of 19.4 kW, 26 hp at 8500 RPM and a six-speed transmission with chain final drive. Weighing 117 kg, the bike has a top speed of 145 km/h and is equipped with front and rear disc brakes. The frame is constructed from double cradle tubular steel with a Marzocchi front suspension and a swingarm with a single shock absorber at the rear. The front and rear tires are 100-90-16 and 100-90-18 respectively, and the wheelbase is 1365mm with a seat height of 800mm. The bike has a non-adjustable front suspension and a swingarm with a single shock absorber at the rear. It’s a classic, small-displacement sportbike with a top speed that’s still impressive today.

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Technical specifications:

Make Model: Aprilia AS 125R

Year: 1985-86

Engine: Two stroke, single cylinder

Capacity: 124 cc / 7.6 cu in

Bore x Stroke: 54 mm x 54 mm

Compression Ratio: 14.2:1

Cooling System: Liquid cooled

Induction: Dell’Orto PHBH AS 26 mm carburetor

Ignition: Electronic

Starting: Electric and kick

Clutch: Multi-disc oil bath

Max Power: 19.4 kW / 26 hp @ 8500 rpm

Transmission: 6 Speed

Final Drive: Chain

Frame: Double cradle tubular steel

Front Suspension: Marzocchi ~A32 mm, non-adjustable

Rear Suspension: Swingarm with single shock absorber

Front Brakes: Single 240 mm disc

Rear Brakes: Single 230 mm disc

Front Tyre: 100-90 -16

Rear Tyre: 100-90 -18

Wheelbase: 1365 mm / 53.7 in

Seat Height: 800mm / 31.5 in

Dry Weight: 117 kg / 258 lbs

Top Speed: 145 km/h / 90 mph