Mercury 15HP 2-stroke losing power frequenly

Ekanis

Recruit
Joined
Jun 27, 2015
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Since some weeks i have a small RIB with a 15E Mercury 2-stroke (2004), it worked fine but it now shows some issues:
1. Motor shutting down
2. Motor losing power

The boat planes with a little effort but since 2 days the motor is not having enough traction sometime, not always, also during a full powerpower run the traction sometime flows away. Best is to shut it down and start again solving the problem, also sometimes.

The issues started with the fuel i used with a 1:50 mix (smoke, gasoline smell), i am not sure but i think is should be 1:50 according to the specifications. After being on the water for a while i added more gasoline. Less smoke, looks quite nomal, and no smell but nog having these issues. Using an electrical starter and remote. Water flow and exhaust seem to work fine.

Sorry if i not use the right terms, quite new to this subject and hardly know where to search for in the forum around this,since i generally windsurf, thank you for taking the time supporting me.
 
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