Stylish Single: Ingram’s 1959 Itom

By Margie Siegal
Updated on October 17, 2023
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by Nick Cedar

Itom Astor Super Sports aren’t the most famous bikes, but their style and history are loved by enthusiasts and collectors like Stewart Ingram.

1959 Itom Astor Super Sport

Engine: 49.5cc air-cooled 2-stroke single cylinder, 40mm x 39.5mm bore and stroke, 8.5:1 compression ratio, 2hp @ 5,500rpm
Top speed: 42mph (period test)
Carburetor: Single 16mm Dell’Orto
Transmission: 3-speed, left twistgrip gear change, chain final drive
Lubrication: Oil mixed with gas in tank, 20:1 ratio (period oil)/ 35:1 (modern oil)
Electrics: 6v, flywheel magneto
Frame/wheelbase: Backbone type w/swingarm rear, 49in (1,245mm)
Suspension: Telescopic forks front, dual shocks rear
Brakes: Single leading shoe drums front and rear
Weight: 88 pounds (40kg)
Tires: 2.25 x 18in front and rear
Fuel capacity: 1-3/4 Imperial gallons (2.1 U.S. gallons or 8 liters)
Fuel consumption: 160 miles per Imperial gallon at 30mph/133mpg U.S. (period test)


“Though of only 50cc capacity, the Itom “Astor Sports” two-stroke is a true motorcycle, in that, for all its small size, it offers considerable appeal to the enthusiast.” — Motor Cycling, December 20, 1956

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