SLOW MODE ???

droutte

Seaman Apprentice
Joined
Jan 8, 2004
Messages
37
I have a 1989 Johnson GT150. I am pretty sure it is going into slow mode. I run it on plane for a few minites and will loose power. I turn the key off, start it back up and it will run fine, on reduced RPM's (RPM guage is not working). I do not have any alarms going off. What causes it to go into slow mode & how can I troubleshoot it ?<br /> It seems to run fine without a load, with the warm up lever up. For different problems, over the past two years I have replaced the stator, coil pack and power Pack. But still have this problem.<br /><br /><br />Thanks<br />Dan
 

CATransplant

Admiral
Joined
Feb 26, 2005
Messages
6,319
Re: SLOW MODE ???

Have you replaced the water pump impeller? The thermostat(s)?<br /><br />Sounds like it's overheating on you.
 

Dhadley

Supreme Mariner
Joined
Feb 4, 2001
Messages
16,978
Re: SLOW MODE ???

Hummm....I dont believe the 150 GT's have SLOW....
 
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