1998 Mercury 115 - RPM Problem

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washedashore

Cadet
Joined
Oct 29, 2002
Messages
7
My Mercury motor will not perform over 4,000 rpm. Could it be one of my CDM modules? <br /><br /> Great site. Thank you!
 
O

ob

Admiral
Joined
Aug 16, 2002
Messages
6,992
Re: 1998 Mercury 115 - RPM Problem

washedashore, First determine whether you are getting fire to all cylinders.
 
O

ob

Admiral
Joined
Aug 16, 2002
Messages
6,992
Re: 1998 Mercury 115 - RPM Problem

Swap coil from known firing cylinder and see if it fires.
 
W

washedashore

Cadet
Joined
Oct 29, 2002
Messages
7
Re: 1998 Mercury 115 - RPM Problem

will give it atry tomorrow .hoping thats the problem thanks for your help.as a rookie boater this site sure help out alot.
 
W

washedashore

Cadet
Joined
Oct 29, 2002
Messages
7
Re: 1998 Mercury 115 - RPM Problem

thanks for the help.ichanged the cmd module and she runs great!
 
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