Yamaha 90 2 Stroke Mystery Spring Anyone Know where this goes?

[MiamiZ]

Just finished a power head rebuild on a 1999 Yamaha 90 2 stroke. This spring fell from somewhere and I can't find it anywhere on any of the diagrams. Anyone know where it goes? Thanks in advance! It's about an inch long.

 

[dark_star]

Throttle return ??