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| Общая информация | |
|---|---|
| Модель | AJS Stormer Y4 250 Mk 2 |
| Год | 1974 |
| Категория | Cross / motocross |
| Price as new (MSRP): | US$ 1149. Prices depend on country, taxes, accessories, etc. |
| Engine and transmission | |
| Displacement: | 247.00 ccm (15.07 cubic inches) |
| Engine type: | Single cylinder, two-stroke |
| Power: | 25.00 HP (18.2 kW)) @ 7000 RPM |
| Max RPM: | 8000 |
| Compression: | 11.0:1 |
| Bore x stroke: | 68.0 x 68.0 mm (2.7 x 2.7 inches) |
| 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 |
| Transmission type, final drive: | Chain |
| Clutch: | Wet plate Diaphram |
| Exhaust system: | loud, expansion chamber |
| Chassis, suspension, brakes and wheels | |
| Frame type: | Double downtube, full cradle |
| Front suspension: | Telescopic forks |
| Front wheel travel: | 178 mm (7.0 inches) |
| Front tyre: | 2.75-21 |
| Rear tyre: | 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) |
| Wheelbase: | 1,410 mm (55.5 inches) |
| Fuel capacity: | 7.57 litres (2.00 gallons) |
| Other specifications | |
| Color options: | Orange tank, grey frame, black side panels |
| Starter: | Kick |
