AJS Firefox 50

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The AJS Firefox 50 was a air-cooled, two-stroke, single cylinder scooter produced by AJS between 2012 and 2015. It could reach a top speed of 30 mph (49 km/h). Claimed horsepower was 2.95 HP (2.2 KW) @ 8000 RPM.

AJS Firefox 50
Production 2012 - 2015
Class Scooter
air-cooled, two-stroke, single cylinder
Bore / Stroke 39.0mm x 41.5mm
Top Speed 30 mph (49 km/h)
Horsepower 2.95 HP (2.2 KW) @ 8000RPM
Ignition battery 12v 6ah
Transmission Gear box: CVT

Final Drive: belt

Clutch: ignition coil cdi
Suspension Front: telescopic fork
Rear: monoshock
Brakes Front: single disc
Rear: drum
Front Tire 120/70-12
Rear Tire 130/70-12
Wheelbase 52.01 inches (1321 mm)
Length 73.58 inches (1869 mm)
Width 27.6 inches (701 mm)
Seat Height 32.52 inches (826 mm)
Weight 187.39 pounds (85.0 Kg) (dry), 85.0 kg (wet)
Fuel Capacity 1.24 Gallon (4.70 Liters)
Manuals Service Manual

Engine[edit | edit source]

The engine was a air cooled air-cooled, two-stroke, single cylinder. A 39.0mm bore x 41.5mm stroke result in a displacement of just 49.0 cubic centimeters.

Drive[edit | edit source]

The bike has a CVT transmission. Power was moderated via the ignition coil cdi.

Chassis[edit | edit source]

It came with a 120/70-12 front tire and a 130/70-12 rear tire. Stopping was achieved via single disc in the front and a drum in the rear. The front suspension was a telescopic fork while the rear was equiped with a monoshock. The Firefox 50 was fitted with a 1.24 Gallon (4.70 Liters) fuel tank. The bike weighed just 187.39 pounds (85.0 Kg). The wheelbase was 52.01 inches (1321 mm) long.

2015 AJS Firefox 50[edit | edit source]

2015 AJS Firefox 50

The 2015 MY AJS Firefox 50 is an entry-level scooter that is perfectly suited for a daily commute in the concrete jungle, no matter the rider age or experience level. It comes standard with a low seat height, a lockable under-seat storage compartment, a rear luggage rack pre-drilled for a trunk, blacked-out, aluminum alloy wheels, a dual seat and a digital instrument cluster.

In the tech/engine department, it sports a air-cooled, two-stroke, 49cc, single cylinder powerplant paired to a continuously variable transmission, and can produce a claimed 3 horsepower at 8000 rpm.