General information |
Model
|
AJS Stormer Y4 250 Mk 2 |
Year
|
1974 |
Category
|
Cross / motocross |
Price as new | US$ 1149. MSRP depends on country, taxes, accessories, etc. |
Rating
|
3.4 Check out the detailed rating of off-road capabilities, engine performance, maintenance cost, etc. Compare with any other bike. |
Engine and transmission |
Displacement
|
247.0 ccm (15.07 cubic inches) |
Engine type
|
Single cylinder, two-stroke |
Power
|
25.0 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
|
Chain (final drive) |
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 tire
|
2.75-21 |
Rear tire
|
4.00-18 |
Front brakes
|
Expanding brake (drum brake) |
Diameter
|
127 mm (5.0 inches) |
Rear brakes
|
Expanding brake (drum brake) |
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
|
1410 mm (55.5 inches) |
Fuel capacity
|
7.57 litres (2.00 US gallons) |
Other specifications |
Color options
|
Orange tank, grey frame, black side panels |
Starter
|
Kick |
Update specs | Report missing specs or required updates. |
Further information |
Insurance costs | Compare US insurance quotes from the nation's top providers. |
Parts finder |
Check out our overview of motorcycle webshops at Bikez.info. |
Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
Ask questions | Join the 74 AJS Stormer Y4 250 Mk 2 discussion group or the general AJS discussion group. |
Related bikes | List related bikes for comparison of specs. |
|
Rating sample for this AJS bike
|
Touring capabilities for the 1974 AJS Stormer Y4 250 Mk 2:
(24.3 out of 100)
Click here for complete rating. You can also compare bikes.
|
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