When turning boat this happens?

[Grecon]

I have a 2001 Johnson 25hp that is on a 15 foot boat, it seems that when I'm driving straight the motor runs true, but when I start to turn to fast the motor feels like it's slipping into neutral or there's no water for the prop to push, then when I give it a few seconds everything is ok, it's like theres a safety feature that limits me from turning fast. I have tried dropping my motor down to the last pin placement but then I run into fighting the motor, if I let go of the handle it wants to turn hard, I can't even troll with it, my arm feels like it's going to fall off when I open it up because I'm trying to keep it straight. Is there anything I can do to correct this?

 

[rickdb1boat]

Re: When turning boat this happens?

That sounds exactly like the prop is losing it's bite in the water when turning. This could be due to the motor being mounted a little too high(Nothing to do with the angle of the motor) or a prop that does not have enough "Cup" to hold on when you turn hard. This is also just typical in many boats in very hard turns. What brand and pitch prop are you running and where is the cavitation plate in relation to the bottom of the hull? Should be even or slightly above it. Also, what type of 15' boat are we talking about?

 

[Grecon]

Re: When turning boat this happens?

That's exactly what's going on, my boat is a heavy guage aluminum boat, my transom is wood so I can cut that back a little bit to get the motor deeper in the water, that's what I thought it was but wanted to make sure, thanks for your help.

 

[Dhadley]

Re: When turning boat this happens?

I'd opt for more prop bite than lowering the motor.

 

[nimmor]

Re: When turning boat this happens?

Dhadley is right. Cutting the transom should be a last resort. If you need to lower the motor look and a transom jack.

 

[nimmor]

Re: When turning boat this happens?

That should have read "at a transom jack" not "and a transom jack"

 

[Harker]

Re: When turning boat this happens?

Also, if it has a trim tab under the cavitation plate, you can turn it just a bit to help with the pull on the motor..had to do this with mine.

 

[Jack Shellac]

Re: When turning boat this happens?

Sounds to me like the prop is ventilating in turns which is a sign that it's too high in the water. I agree with the previous posters that cutting the transom would be a last resort. If you can get a stainless steel prop for this motor, they are much more "cupped" than aluminum and give better bite in the water. Better overall prop, too.