6 | Throttle Return Spring Airbox Third Stage ID: 1

Third Stage ID: 1

Milled 8mm slot for flat keyway prevents slip of hub once placed on hub face

For a representation of what wheel bolt pattern and dimensions may mean

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6 | Throttle Return Spring Airbox Third Stage ID: 1Rotax Throttle Return Spring. This spring is designed to ensure retraction of the throttle slide back to 'off throttle' position as the throttle pedal is released. Comically oversized for the application, this spring is fairly hard to lose, but also easy to warp or damage while working on the Dellorto VHSB Rotax carburetor. Each spring is designed to fit into the carburetor above the throttle slide, and below the plastic carburetor cap.