Sport · 1930
30B
Technical Overview
1930 Harley-Davidson 30B Technical Analysis & Specification Breakdown
Engineered by Harley-Davidson for the sport motorcycle segment, the 1930 Harley-Davidson 30B utilizes a 345.7 cc (21.1 cu in) engine layout. Internal engine geometry specifies a bore and stroke of 73.0 x 82.6 mm (2.9 x 3.3 inches).
On the scales, the 30B measures 136 kg (300 lbs) dry.
Engine
Displacement 345.70 ccm (21.09 cubic inches)
Engine Details Single cylinder, four-stroke
Bore x Stroke 73.0 x 82.6 mm (2.9 x 3.3 inches)
Fuel Control Sidevalves
Transmission
Final Drive Chain
Wheels & Brakes
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 136.0 kg (299.8 pounds)
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