MC65

AMF Harley-Davidson Shortster (MC-65)

General 
Model Designation Letter(s)MC 65
Model Years1972
Vehicle Identificiation5C
Bikes Produced8000
Price
Frame
Electrical System6V, Breaker Ignition
Top Speed
Chassis
Front suspensionTelescopic NOT oil dampened
Rear suspensionSwinging arm, oil dampened stereo shocks
Front wheel tire3.00 x 10
Rear wheel tire3.00 x 10
Front brakeInternal Expanding
Rear brakeInternal Expanding
Rims (Front & Rear)Disc Wheel, 2 Pieces, WM1= 1.6x 10"
Tire pressure (Front)18 PSI
Tire pressure (Rear)22 PSI
Dimensions & Weight
Overall length56.1 Inches
Handlebar width32.5 Inches
Ground clearance5.7 Inches
Wheelbase39.2 Inches
Seat(s)1 Person
Saddle Height
Total Weight
Fuel tank5,3 Litres /1.4 US Gallons
Fuel Tank Reserve1.75 Quart
Engine
Type2-Cycle, Single Cylinder, Air Cooled
Bore44mm / 1.732 in.
Stroke42mm / 1.654 in.
Piston displacement63.86 ccm
Horsepower
Max. Torque
Gearshift patternConstant Mesh, 3 Speed, 1st up - 2nd & 3rd down; left engine side
Compression ratio8.5:1
Lubrication systemPremix 1:25
Starter systemKickstart, left side
CarburetorDell'Orto ME 18 BS
ClutchWet, multi plate
Gear ratios1st: 20.0 to 1, 11.5 to 1, 7.6 to 1
Spark PlugHarley-Davidson 5-6

The Shortster (MC-65) was available in three different colors. In yellow, sparkling red and in sparkling blue. Fenders were always stainless steal. The gas tank decals were always bright red and in a “flame style”.

The Shortster was built in 1971 oand sold as 1972 model year. This bike was produced for the North American market only. The engine is basically the same as on the M-65 or Leggero.
There are some slight differences between an early Shortster compared to the later versions. The most eye catching difference is the slightly different frame in the rear. Early models do have a different headlamp and smaller reflectors. Picture No. 13 shows an early MC65!

All bikes had a large full size 140mm headlight which in my opinon looks a little oversized for such a tiny toy bike. The later X90s were fitted with a more harmonic looking 105mm headlight.

With the name “Shortster” the marketing department tried to make a transition to the “Sportster”. If you look closely to the advertisments of that time, they intended “to catch kids” and spark their passion for motorcycles and keep them as customers, when they are old enough and ready for a full size motorcycle. In one advertisment you can see a kid standing beside his Shortster and the reflection in the water in front of them shows a Sportster.

The Shortster has a three speed gearbox and is shifted from the left side. The first gear is about neutral, second and third gear below. It was not equipped with a fuel pump as the later X90 and so you have to premix the oil/gasoline manually when filling the gas tank.

Picture No. 15 is from Eddi Boomwhowers archive and shows how the Shortster was delivered to the HD-Dealers in 1972.

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