Speedway · 1949
JAP Speedway
Technical Overview
1949 Excelsior JAP Speedway Technical Analysis & Specification Breakdown
Engineered by Excelsior for the speedway motorcycle segment, the 1949 Excelsior JAP Speedway features a 497 cc (30.3 cu in) single cylinder, four-stroke configuration.
Engine
Displacement 497.0 ccm (30.33 cubic inches)
Engine Type Single cylinder, four-stroke
Engine Details Single cylinder, two-stroke
Fuel System Carburettor. Amal 27/013 dual-float
Fuel Control Overhead Valves (OHV)
Wheels & Brakes
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake). Dunlop alloy-rim
Wheels Dunlop alloy-rim. Spoked.
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