AMF Harley-Davidson SS-175

General Information

Years built: 1975, 1976, 1977
Bikes produced: overall total ca. 1571
Price in 1977 (Germany): 3259 D-Mark
Frame: Double downtube
Vehicle Ident. # (VIN): 4F


Model designation letter: SS
Type: 2-Cycle, Single Cylinder, 174,1 Cubic Centimeters, Chrome Bore
Bore: 60, 96 mm (2.4 inches)
Stroke: 59,69 mm (2.3 inches)
Piston displacement: 174,1 ccm
Compression ratio: 10:7: 1
Lubrication system: Fuel and oil mixture (oil tank is integrated to the frame)
Starter system: Primary kick

Dimensions and Weight

Overall length: 2172 mm
Handlebar width: unknown
Ground clearance: 170 mm
Wheelbase: 1422 mm
Seats: 2 persons
Seat height: 800 mm
Dry weight: 125 kg
Steering angle: unknown
Steering Head angle: unknown
Trail: unknown
Front suspension: Telescopic oil dampened 160 mm
Rear suspension: 3-way adjustable
Fuel tank: 10,5 liters (2.77 Gallons)
Transmission: unknown
Front fork: 32 mm

Transmission System:

Clutch: wet, multi plate
Primary drive pinion gear: unknown
Primary drive crown wheel gear: unknown
Primary reduction: unknown
Gear ratios: unknown
Gearshift pattern: 1 down – 4 up
Gearbox sprocket: unknown
Chain type: 110 links


Type: Dell’Orto VHB 27 AD
Venturi dia.: 27 mm
Main jet:  
Pilot jet:  
Starting jet:  
Throttle valve:  
Jet needle:  
Needle jet:  
Air screw setting:  
Air filter:  

Wheels and Brakes

Front wheel tire: 3.25 x 19
Rear wheel tire: 4.00 x 18
Front brake: Drum, internal expanding, single leading shoe type, i.d. 140 mm x 25 mm
Rear brake: Drum, internal expanding, single leading shoe type, i.d. 140 mm x 25 mm
Wheel Rim (Front): Radaelli WM2= 1.85 x 19
Wheel Rim (Rear): Radaelli WM3= 2.15x 18
Spokes: 36/wheel
Tire pressure: unknown


Electrical System: 12 Volt



  • Picture No. 1 shows an early 1977 model sold in Germany. It looks like all german SS-175 had the 1975 decals. But why? (Side cover is not original color on this picture)
  • Picture No. 2 shows an early 1978 SS-175 (built in 2/77) for the US market. It has an additional windshield from the HD accesoires.


SS-175, 1977 SS-175, 1978 Eagle emblem