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.
Fits clutch on smallframe scooters V5A,V9A,VMA
Fits flywheel on GS 150's VS1-VS5
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- Applies to the following models:
- Vespa - Vintage
- V5A/B Vespa 50
- V9A Vespa 90
- V9B 100 Sport
- VMA Primavera 125
- VMB ET3 125
- VS5/4 GS 150