impellers

Recently changed the impeller on my portside Cat 3116. Not too bad a job as it was accessible from the alleyway between the two engines. Next will be the starboard side. This one looks like it'll be a real PITA. I'm thinking I'll have to remove the exhaust pipe to get to the raw water pump...

I put her in the water yesterday and took her for a ride. Happy to be in! The water temperature gauge on the indicator (the diagram of the boat that sits to the far right on the helm) was flashing, first on the starboard side then on the port side. The dial gauges, assuming they are working...

We recently had impellers replaced on twin Merc 5.0s. Within 15 minutes into our first run after, both motors overheated within a minute of one another. After research we figured out there were some bad impellers (too small) on the market and the mechanic re-replaced and ran the motors for 25...