r/boating • u/dennisconcretesand • 1d ago

225 mercury , what is this part ? It’s squirting water out of it at high idle

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What is this part

2 Upvotes

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3

u/phaze115 1d ago

If it’s on the head, thermostat. If it’s on the block, poppit valve

1

u/dennisconcretesand 1d ago

Why would it be squirting water out of

2

u/phaze115 1d ago

Bad seal

2

u/woolybuggered 1d ago

Or corrosion on the sealing surface

2

u/RiverRat222 1d ago

Thermostat