While we’re here I figured we might as well do another couple of jobs on the other engine. Changed the water pump impeller which was pretty easy. Still had six out of six vanes on the pump but the rubber was starting to harden so I decided to change it anyway. Pulled of the exhaust elbow because if it’s blocked it can drastically reduce power.
No prize for guessing that this shouldn't look like this. Its the exhaust elbow and this bit bolts onto the exhaust manifold and gets sea water injected into it to cool the exhaust. Instead of 35 mm diameter we've probably only got 10 mm.
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