Stella Vintage Vespa Flywheel Woodruff Key - VNX, VLX, VSX
ITEM# TT-25989
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Description
Woodruff Key for Vespa GS160, SS180, and More
The Woodruff key is an essential part for several Vespa models. Its half-moon profile slides into a matching slot cut along a shaft. The key stops parts such as pulleys from spinning independently of the shaft. It belongs to the vintage Vespa scooter parts range and helps the flywheel side run correctly and stay aligned on models like the GS160 and SS180.
How the Woodruff Key Works
This key holds mounted components firmly on the shaft so they stay in place during vibration. Its curved shape seats neatly in the keyway, creating a dependable link between the flywheel and the shaft. Installing it correctly matters for good performance.
Signs It Needs Replacing
You may need to swap the Woodruff key if it shows wear or if parts appear out of line. Checking it during routine service or an engine rebuild can help you avoid problems later. A worn key may cause poor running or damage nearby components.
Specifications
- Size: Length: 12.25 mm, Width: 3.00 mm
- Position: Flywheel side
- Fits: Genuine Stella 2T and Genuine Stella 4T crankshafts, flywheel side
Fitment
Fits:
- Genuine Stella 2T
- Genuine Stella 4T
How to choose: Select a key that matches the flywheel side of your crankshaft: 12.25 mm long and 3.00 mm wide.
Where it goes: part #4 on the crankshaft diagram for the Stella 2T; part #18 on the crankshaft diagram for the Stella 4T.
Shop more: Vintage Vespa Parts · Vespa Parts · Scooter Stators & Regulators · Scooter Switches & Controls · Scooter Parts
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