It was available in both a 1 speed or 2 speed automatic.
1 Speed E50
- The 1 speed AD engine was slightly modernized version of a normal E50. It has a needle bearing piston pin, three shoe clutch, and the pedal sprocket goes through the engine as opposed to the back wheel.
2 Speed ZA50
- The 2 speed uses a ZA50, with only minimal differences from a standard engine. Most noticeable is the cylinder/head, which has a different fin cut, an angled exhaust port, and a 3 stud intake mount.
- In addition, the primary drive shaft is extended further out of the left hand side of the engine, and contains not only the drive sprocket but a 1 way ratcheting worm gear and pedal sprocket, which allows for pedaling by way of a short chain to the pedals shaft/sprocket. This mechanism transfers power to the drive chain which allows pedaling, and starting the motor.
1 speed Components
The insides of an Austro-Daimler 1 speed E50 Engine
The top of the Puch AD Engine Case
Drive side of the AD Engine
Clutch side of the AD Engine
The view from behind the Puch AD Clutch Cover. The component on the left of the image is where the Pedal Sprocket installs.
The Clutch and Clutch Cover for the Puch Austro-Daimler Engine
The Interior AD Clutch Cover. The Sprocket on the right is the Pedal Gear.
The drive gear, clutch, and crank of the Puch AD Engine
The Pedal (left) and Drive (right) chains for the Puch AD
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