| 摘要 |
A trim adjusting system for a small jet propelled personal watercraft. The trim is adjusted automatically in response to sensed water conditions which will indicate, among other things, the condition of the water flowing through the water inlet opening of the jet propulsion unit. The measured conditions may include water condition, watercraft speed and watercraft trim angle. The arrangement also permits manual operation and the permissible range of trim adjustment is less in manual operation than in automatic operation.
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