Allround · 1929
Model JD
MotoLibrary Score
57 /100 Balanced
Top Speed
137 km/h
Engine
1208 ccm
Technical Overview
1929 Harley-Davidson Model JD Technical Analysis & Specification Breakdown
Positioned in Harley-Davidson's allround motorcycle lineup, the 1929 Harley-Davidson Model JD pairs a 1208 cc (73.7 cu in) v2, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 86.9 x 101.6 mm (3.4 x 4.0 inches).
On the scales, the Model JD measures 190 kg (419 lbs) dry.
Within MotoLibrary's Harley-Davidson archive, this model family spans 7 indexed model years from 1923 to 1929, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Engine
Displacement 1208.0 ccm (73.71 cubic inches)
Engine Type V2, four-stroke
Bore x Stroke 86.9 x 101.6 mm (3.4 x 4.0 inches)
Fuel System Carburettor
Performance
Top Speed 136.8 km/h (85.0 mph)
Wheels & Brakes
Front Tyre 3-26
Rear Tyre 3-23
Front Brakes Expanding brake (drum brake)
Rear Brakes Expanding brake (drum brake)
Wheels Spoked
Dimensions & Weight
Dry Weight 190.0 kg (418.9 pounds)
More from Harley-Davidson
Rider Profile
Who Is This Bike For?
🌍
Best For
All-Round & Adventure
⚖️
Handling
Medium weight — some experience needed
Estimate
Ownership Cost Calculator
⛽ Fuel
per year
🔧 Maintenance
per year
🛡️ Insurance
per year
TOTAL
* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.