Motorcycle-Catalogue » AJS
AJS Stormer Y4 250 Mk 2
General moped information |
Model | AJS Stormer Y4 250 Mk 2 |
Year | 1974 |
Category | Cross / motocross |
Rating | 68.1 out of 100. Show full rating and compare with other bikes |
Price as new (MSRP) | US$ 1149. Prices depend on country, taxes, accessories, etc. |
Engine and transmission |
Engine type | Single cylinder, two-stroke |
Power | 25.00 HP (18.2 kW)) @ 7000 RPM |
Fuel system | Carburettor. AMAL 32mm concentric |
Fuel control | Port control |
Ignition | flywheel magneto |
Lubrication system | Pre-mix. Castrol R at 20:1 |
Cooling system | Air |
Gearbox | 4-speed |
Clutch | Wet plate Diaphram |
Exhaust system | loud, expansion chamber |
Chassis, suspension, brakes and wheels |
Frame type | Double downtube, full cradle |
Front tyre dimensions | 2.75-21 |
Rear tyre dimensions | 4.00-18 |
Front brakes | Expanding brake (drum brake) |
Front brakes diameter | 127 mm (5.0 inches) |
Rear brakes | Expanding brake (drum brake) |
Rear brakes diameter | 127 mm (5.0 inches) |
Physical measures and capacities |
Dry weight | 104.3 kg (230.0 pounds) |
Power/weight ratio | 0.2396 HP/kg |
Front percentage of weight | 46.5 |
Rear percentage of weight | 53.5 |
Seat height | 762 mm (30.0 inches) If adjustable, lowest setting. |
Ground clearance | 254 mm (10.0 inches) |
Fuel capacity | 7.57 litres (2.00 gallons) |
Other specifications |
Starter | Kick |
Color options | Orange tank, grey frame, black side panels |
General moped information |
Price as new (MSRP) | US$ 1149. Prices depend on country, taxes, accessories, etc. |