Technical Overview
1931 Harley-Davidson Model DLD Technical Analysis & Specification Breakdown
Engineered by Harley-Davidson for the sport motorcycle segment, the 1931 Harley-Davidson Model DLD pairs a 742.6 cc (45.3 cu in) v2, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 69.9 x 96.9 mm (2.8 x 3.8 inches) with a 6.0:1 compression ratio.
On the scales, the Model DLD measures 181 kg (399 lbs) dry.
Within MotoLibrary's Harley-Davidson archive, this model family spans 2 indexed model years from 1931 to 1932, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 742.6 ccm (45.31 cubic inches)
Engine Type V2, four-stroke
Compression 6.0:1
Bore x Stroke 69.9 x 96.9 mm (2.8 x 3.8 inches)
Fuel System Carburettor
Transmission
Final Drive Chain (final drive)
Wheels & Brakes
Front Tyre 3-26
Rear Tyre 3-26
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 181.0 kg (399.0 pounds)
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