Johnson 155 Commercial

mrom1234567

Petty Officer 3rd Class
Joined
Mar 20, 2002
Messages
96
I have twin Johnson 155 commercial motors.<br />At crusing speeds with the boat properly trimmed and about 3-4000 rpms, one motor suddenly drops to 1500rpm even though the controls are not touched. Does anyone have a clue? I can live with this, but I was wondering if it could be a fuel or carb. problem.<br />Michael :confused:
 

russthemuss

Petty Officer 2nd Class
Joined
Jan 16, 2002
Messages
101
Re: Johnson 155 Commercial

Is it getting hot and tripping into safety mode?<br />Check the water flow.<br />Is it starving for fuel?Check the supply and system.
 
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