Aprilia AF1 125 Project 108 Sport (1988)

The Aprilia AF1 125 Project 108 Sport is a 1988 motorcycle with a liquid-cooled, two-stroke, single-cylinder engine that has a capacity of 123cc. Its Dell’Orto carburetor measures 28mm and it has an electric starter. It delivers a maximum power output of 18.7 kW or 25.1 horsepower at 10,000 rpm and a maximum torque of 17.7 Nm or 13.1 lb-ft at 8,000 rpm. The transmission is a 6-speed one, and the final drive is via chain. Front and rear suspension systems feature the telescopic fork and Sebac mono-shock, respectively. The front brake is a single 260mm disc while the rear brake is a single 240mm one. The bike has a dry weight of 120 kg or 265 lbs, and a wet weight of 134.6 kg or 297 llbs. It has a fuel capacity of 22.5 L or 5.9 US gal and an average consumption of 4.4 L/100 km or 53 US mpg.

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Technical specifications:

Make Model: Aprilia AF1 125 Project 108 Sport

Year: 1988

Engine: Two stroke, single cylinder

Capacity: 123 cc / 7.5 cu in

Bore x Stroke: 54 x 54.5 mm

Compression Ratio: 15.5:1

Cooling System: Liquid cooled

Induction: Dell’Orto carburetor, 28 mm

Starting: Electric

Max Power: 18.7 kW / 25.1 hp @10000 rpm

Max Torque: 17.7 Nm / 1.8 kgf-m / 13.1 lb-ft @ 8000 rpm

Transmission: 6 Speed

Final Drive: Chain

Front Suspension: Telescopic fork, 4-way anti-drive adjustable

Rear Suspension: Sebac mono shock

Front Brakes: Single 260 mm disc

Rear Brakes: Single 240mm disc

Front Tyre: 100/80-16

Rear Tyre: 120/80-16

Dry Weight: 120 kg / 265 lbs

Wet Weight: 134.6 kg / 297 lbs

Fuel Capacity: 22.5 L / 5.9 US gal

Consumption Average: 4.4 L/100 km / 22.7 km/l / 53 US mpg