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pepsiguy

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"I have a 40 hp mariner with p

"I have a 40 hp mariner with powertrim the powertrim will not work when i give it fullthrottle but when i so down to where u can troll it works when it sitting still it works but when it fullthrottle it dont , anyideas

Tks Ken"
 
"well i change the oil in the

"well i change the oil in the power trim and it still will not work ,so could it be the power trim motor or pump.

Tks Ken"
 
I just put in a new powertrim

I just put in a new powertrim kit and still wont work under pressure .so now what could it be pump motor ????
 
"Hi there,

Here's a po

"Hi there,

Here's a post I made earlier this morning:


When you open the throttle, you are pushing up to 90 horses there, the small trim motor will not, easily, lift the bow. It should be able to trim the bow down as the motor's power will naturally assist the trim motor.

It's not a good idea to trim the bow up when under throttle as the trim motor cannot fight those 90 ponies.


Then seals could be shot in the trim pump, poor electrical connectivity [read: voltage drop] in trim loom, open release valve as Jamie suggested?

Does motor sag when trimmed up on the trailer? If so, it's a pump issue. Seals, release screw loose or low oil.

Happy boating!



So, in short, it'll take some trial and error as to where you want to trim the motor before taking off and tuck her in as she starts to plane."
 
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