Loss of Power

111torrance111

Petty Officer 1st Class
Joined
Jan 8, 2006
Messages
275
Mercury in-line 6 will not come up tp speed, motor seem to functio properly just won't come up to speed.

Last week while returning from a trip the boat was running great, then just loss power, I thought it was the lower unit and took in for service. They installed a new impeller and and said everything was working great. Went back out on the water today and had the same problem. NO POWER

1984-86 90 HP Mercury.

Please Help.
 

Phillip

Cadet
Joined
Jun 23, 2006
Messages
17
Re: Loss of Power

if you payed that mechanic money you should send it back to him :/
 

Plainsman

Rear Admiral
Joined
Apr 2, 2006
Messages
4,062
Re: Loss of Power

Do you have spark at all cylinders? Have you done a compression test?
 

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: Loss of Power

take it back, it was in for loss of power, not bashing Mechs, they probably checked the lower unit, put it on muffs and said good enough. if you have even compression, and good spark, it points imho to carbs, which this time of year is common. esp[ecially if the engine sat all winter.
 
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