| 摘要 |
A jet propulsion for watercraft having a screen that extends across the water inlet opening of the jet propulsion unit for precluding foreign articles from entering the jet propulsion unit. The jet propulsion unit water inlet opening is supported for movement between a lowered driving position and an elevated service position. The screen is held in its closed position when the jet propulsion unit is in its driving position and may be pivoted to an open position when the jet propulsion unit is elevated.
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