'96 Merc 115 hp trolling

bet123

Cadet
Joined
Aug 11, 2008
Messages
6
I have recently purchased a 17' boat with a 1996 115hp Mercury Outboard.
I have been doing some trolling with this engine at 1000rpm +- a little. It seems to handle this fine. My question is, will running this engine at what is basically idle for long periods of time pose any problems.
This model idles on 2 cylinders. I am not sure what triggers the change from running on 2 cylinders to running on all four cylinders. But when I am trolling, it is running fairly smoothly so I am thinking that it is firing all four.
 
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