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AJS Stormer Y4 250 Mk 2 Parts

Engine and Transmission

The AJS Stormer Y4 250 Mk 2 is a 2 stroke, Motocross bike with a Air cooled 247.00 ccm (14,99 cubic inches) Single cylinder type of engine. This engine then gets the power to the rear wheel with a Chain driven transmission.

This engine has 25.00 HP (18,11 kW)) @ 7000 RPM and an unconfirmed top speed.

Fuel System

For weekend adventures, the tank size is an essential feature. The AJS Stormer Y4 250 Mk 2 is equipped with a 7.57 litres (1,99 gallons) fuel tank and employs a Port control fuel injection system, delivering reliable fuel economy for your adventures.

Maintenance and Service

Scheduled maintenance is essential for keeping your AJS Stormer Y4 250 Mk 2 performing at its best. Common service items involve batteries. With the right parts, your Stormer Y4 250 Mk 2 will keep providing great rides throughout its lifetime.

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Wheels and Tyres

If you are looking for AJS Stormer Y4 250 Mk 2 Tyres then you will need to look for the correct sizes. On this model the Front Tyre size is 2.75 - 21 and the Rear Tyre size is 4.00 - 18 so before buying a tyre, double check that it is the correct size.

AJS Stormer Y4 250 Mk 2 Technical Specifications

Type: Single cylinder
Displacement: 247.00 ccm (14,99 cubic inches)
Power: 25.00 HP (18,11 kW)) @ 7000 RPM
Torque: N/A
Compression: 11.0:1
Stroke: 2
Cooling: Air
Valves: N/A
Starter: Kick
Transmission: Chain
Gearbox: 4 - speed
Top Speed: N/A
Fuel Capacity: 7.57 litres (1,99 gallons)
Fuel Control: Port control
Type: Motocross
Year: 1974
Weight: 104.3 kg (228,85 pounds)
Length: N/A
Front Brakes: Expanding brake (drum brake)
Rear Brakes: Expanding brake (drum brake)

Common Questions About AJS Stormer Y4 250 Mk 2 Parts

The most frequently replaced parts for the AJS Stormer Y4 250 Mk 2 include air filters, oil filters, brake pads, chain and sprockets, and clutch components. Based on owner experiences, specific components like Ajs Stormer Exhaust Systym may also require occasional replacement.
Many parts for the AJS Stormer Y4 250 Mk 2 are readily available through our suppliers. Common searches from owners include Ajs Stormer Spares, Ajs Stormer Gearbox, Ajs Stormer Exhaust Systym, which we stock regularly.
The AJS Stormer Y4 250 Mk 2 benefits from regular service intervals. Oil changes are typically recommended every 3,000-5,000 miles, with more comprehensive service including inspection of Ajs Stormer Exhaust Systym recommended at 10,000 miles intervals.

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