AJS Stormer: history, specs, pictures
| AJS Stormer | |
| Manufacturer | |
|---|---|
| Also called | Stormer Y4250Mk 2, Stormer Y4 250 Mk 2 |
| Production | 1974 |
| Engine | single cylinder, two-stroke |
| Bore / Stroke | 68.0mm x 68.0mm |
| Horsepower | 24.41 HP (18.2 KW) @ 7000RPM |
| Fuel System | carburetor. amal 32mm concentric |
| Ignition | flywheel magneto |
| Transmission | Gear box: 4-speed Final Drive: chain |
| Suspension | Front: telescopic forks |
| Brakes | Front: expanding brake (drum brake) Rear: expanding brake (drum brake) |
| Front Tire | 2.75-21 |
| Rear Tire | 4.00-18 |
| Wheelbase | 55.51 inches (1410 mm) |
| Seat Height | 30.0 inches (762 mm) |
| Weight | 229.94 pounds (104.3 Kg) (dry), |
| Fuel Capacity | 2.0 Gallon (7.57 Liters) |
| Manuals | Service Manual |
The AJS Stormer Y4250Mk 2 was a single cylinder, two-stroke standard produced by AJS in 1974. Claimed horsepower was 24.41 HP (18.2 KW) @ 7000 RPM.
Engine
The engine was a air cooled single cylinder, two-stroke. A 68.0mm bore x 68.0mm stroke result in a displacement of just 247.0 cubic centimeters. Fuel was supplied via a port control.
Drive
The bike has a 4-speed transmission. Power was moderated via the wet plate diaphram.
Chassis
It came with a 2.75-21 front tire and a 4.00-18 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The Stormer Y4250Mk 2 was fitted with a 2.0 Gallon (7.57 Liters) fuel tank. The bike weighed just 229.94 pounds (104.3 Kg). The wheelbase was 55.51 inches (1410 mm) long.