(From a 1929 Dealer's Brochure)
Motor:V type twin cylinder air-cooled four stroke cycle-bore 2 3/4 in., stroke 3 13/16 in., displacement 45.32 cu. in. Side by side valves, independent cam action on each valve. Dow metal pistons. New plunger-type crankcase oil drain.
Carburetor: Schebler Deluxe with self-cleaning air cleaner.
Muffler: Four tubes.
Transmission: Three-speed progressive sliding gear.
Lubrication: Throttle-controlled motor oiler that provides proper lubrication at all speeds. Transmission lubricated seperately. 13 Alemite fittings.
Ignition: Harley-Davidson generator-battery with output controller.
Electrical Equipment: Harley-Davidson generator with instantaneous output controller; weather and waterproof coil and timer; five plate, 22-amphere/hr. storage battery; high frequency horn; two bullet headlights; standard tail lamp; ignition and light switch panel with built-in ammeter and hooded parking light located back of steering head. Relay cutout automatically opens and closes generator-battery circuit.
Starter: Harley-Davidson rear stroke, right side.
Clutch: Single-dry disc, foot operated.
Handlebars: One piece, 1 in. tubular, double stem with closed end twist grips.
Controls: Grips, double-acting wire controls, enclosed in handlebars and cables.
Brakes: Foot-controlled contracting rear brake and built-in hand-controlled expanding front wheel brake.
Frame: High carbon seamless tubular steel, strongly reinforced with wide trussed loop. Drop forged head and gearbox bracket.
Driving Chains: Duplex engine chain 3/8 in. pitch, 3/4 in. wide, each sprocket 3/16 in. wide. Rear chain roller, 5/8 in. pitch, 3/8 in. wide. Large cushioned motor sprocket.
Saddle: Mesinger form fitting top. Adjustable spring seat post.
Tires: Standard make, 25 x 3.85 in., full balloon.
Wheelbase: 56 1/2 in.
Tanks: Saddle type. Gasoline capacity, 3 3/4 gallon; oil capacity, 7 1/2 pints. Reserve gasoline tank.
Mudguards: Extra wide valance, rear guard hinged for easy access to wheel.
Finished: Harley-Davidson Olive Green with maroon striping with center gold stripe. Rims and handlebars black