These are the known mechanical and performance specifications for your 1917 Harley-Davidson Model J.
Basic Specs

Engine
Displacement989.00 ccm (60.35 cubic inches)
Type
DetailsV2, four-stroke
Max RPM
Compression
Bore/Stroke84.1 x 88.9 mm (3.3 x 3.5 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionH.D generator
Exhaust
Lubrication
Cooling
Performance
Horespower17.00 HP (12.4 kW)
Torque
Top Speed136.8 km/h (85.0 mph)
Chassis
Frame Type
Rake
Trail
Front Suspension
Front Travel
Rear Suspension
Rear Travel
SeatSingle
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight145.0 kg (319.7 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre28-Mar
Rear Tire/Tyre28-Mar
Front Brakes
Front Brake Diameter
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter
WheelsSpoked
Comments