Shim to adjust the axial play of the crankshaft.
This shim is placed under the clutch-side crankshaft bearing of the ZA50 2-speed automatic engine to achieve the desired crankshaft play of 0.03 to 0.08 mm.
Outer diameter: 28 mm
Inner diameter: 20 mm
Thickness: 0.2 mm
| Nominal diameter inside | 20 mm | 
| Ø inside | 20 mm | 
| Manufacturer | Puch | 
| Ø outside | 28 mm | 
| Material | Steel | 
| Surface | blank / oiled | 
| Thickness | 0.2 mm | 
| Universal | |
| Puch | ZA50 (air-cooled) ZA50 (fan-cooled) | 
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