outboard sounds like a siren

[tbulhead]

I have this mid-70's 4.5 mercury outboard that is a 2-stroke that runs like a champ with the exception that it sounds like a siren when it is running. Besides for needing to wear earplugs, all the fish hop up on the docks becasue it is too loud. Its ruining my fishing. Any ideas on how to fix it?

[lineman49]

Try checking all bearings & bushings & lower unit oil level. Maybe water impeller housing also ? Just some suggestions.

[rolmops]

Do you mean that it is running at a very high RPM? Or is it a short shaft (15 inch) hanging of a 20 inch stern with the prop just a bit out of the water?

[Wrestling Coach]

It's a police model.

[tbulhead]

I mean this outboard just runs extremely loud even for a 2-stroke. It starts right up, runs all day with no other issues other than it is LOUD compared to other 2-strokes.

[ray koziatek]

some models in the 70's,got in circulation without the muffler attached...