A Woodruff key is a semicircular shaped, removable key that fits into a matching keyway cut into a shaft, leaving a protruding tab. The tab mates with a matching slot on a device mounted flush upon the shaft e.g. a pulley, thus preventing the device from freely rotating about the shaft.
Clutch side woodruff key for most models of vintage Vespa.
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- Applies to the following models:
- Genuine
- Stella 2T 150
- Vespa - Vintage
- 1951-1954 Allstate
- VBA 150
- VBB 150
- VBC 150 Super
- VL1-3, VB1, VN1-2
- VLA GL 150
- VLB 150 Sprint
- VLX P/PX X150
- VNA 125
- VNB 125
- VNC 125 Super
- VNL 125 GT/GTR/TS
- VNX P/PX 125 / T5
- VSD Rally 180
- VSE Rally 200
- VSX P/PX 200