Aprilia

APRILIA AF1 PROTOTIPO - 1985

The engine was a Liquid cooled cooled Two stroke, single cylinder.

1985 APRILIA AF1 PROTOTIPO SPECIFICATIONS
1985 APRILIA AF1 PROTOTIPO SPECIFICATIONS
Spec sheet
ENGINE TYPETwo stroke, single cylinder
Displacement123 cc / 7.5 cu in
Bore X Stroke54 x 54.5mm
Compression15.5:1
Cooling SystemLiquid cooled
InductionDell'Orto carburetor, Ø 28 mm
Max Power18.7 kW / 25.1 hp @10000 rpm
Max Torque17.7 Nm / 1.8 kgf-m / 13.1 lb-ft @ 8000 rpm
Transmission6 Speed
Final DriveChain
Front SuspensionTelescopic fork, 4-way anti-drive adjustable
Rear SuspensionSebac mono shock
Front BrakesSingle Ø 260 mm disc
Rear BrakesSingle Ø 240mm disc
Front Tire100/80-16
Rear Tire120/80-16
Fuel Capacity22.5 Liters / 5.9 US gal
Consumption Average4.4 L/100 km / 22.7 km/l / 53 US mpg
Top Speed156.6 km/h / 97.3 mph
Aprilia file

The engine was a Liquid cooled cooled Two stroke, single cylinder. The engine featured a 15.5:1 compression ratio. It is paired to a six-speed manual transmission. It came with a 100/80-16 front tire and a 120/80-16 rear tire. Stopping was achieved via Single Ø 260 mm disc in the front and a Single Ø 240mm disc in the rear. The front suspension was a Telescopic fork, 4-way anti-drive adjustable while the rear was equipped with a Sebac mono shock. The AF1 Prototipo was fitted with a 22.5 Liters / 5.9 US gal fuel tank. The bike weighed just 120 kg / 265 lbs.