The scooter engine key is compatible with Vespa V50/V90/V100/V125 Primavera/ET3 models. It directly replaces worn or damaged original keys, preventing timing issues and engine misfires.
The crankshaft half-moon key measures 12.5 mm (length) × 5 mm (width) × 3 mm (height) and perfectly aligns with the crankshaft keyway. This ensures accurate timing of the flywheel/camshaft gear and prevents rotational slip under load.
The crankshaft Woodruff key offers excellent shear strength and withstands vibration without deformation—critical for maintaining accurate engine timing in two-stroke applications.
The crankshaft locating key made of steel. The rounded edges prevent stress concentration that could damage the crankshaft during high-rpm operation.
The 10pcs engine half-moon key set supports multiple rebuilds or fleet maintenance.
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