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Jan 23rd, 2013
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Tohatsu 225 - Trim motor going out? Help #13982016 05/01/21 09:42 PM
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iFloat Offline OP
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New to me Tohatsu 225 motor. 2015 model.

The trim motor has been sounding "weak" for a couple months now. Almost like a low battery, but battery is fine. This was intermittent.

Today got to the ramp and it won't do anything. It would "click" when you tried raise or lower, but no other noise or movement.

Got out on the water, messed around a bit, tried again, nothing.

Then I tried to Tap the electric motor part of the trim. After a couple taps it worked a little. A few more taps, and it worked as normal.

Later in the day, went out again. A couple taps to get it loaded and home.


What do I need to do? Is this something I can fix at home? Sound like the electric part of the motor going out, but hydraulic stuff might be ok? Thanks for any help.

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13982121 05/01/21 11:19 PM
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More info.

Here at the house, I can tap on the electric trim motor, and get it to work. It lowers fine. Raising the motor, it struggles. Especially once it gets higher than normal boating use. Like raising it up to trailer it... It won't raise up without me helping it manually. If I lift up on the lower unit and manually assist the trim motor, it will raise all the way no problem.


I am assuming the electric motor is just going out. Yes?

Can I replace myself, or take to shop?

Any shops around Mckinney you can recommend?

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13982162 05/02/21 12:00 AM
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Tohatsu has has a problem with their trim motors. My brother in law has replaced his twice on a 2015 engine. The issue has been rectified and installation of a new motor $$$ will fix it permanently.


Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13982572 05/02/21 01:59 PM
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I replaced a couple on a Mercury. Not sure if motor and pump it in same location on a Tohatsu. The Merc I worked on had a jackplate (makes it easier) and cable steering. I removed the cable nut and the starboard motor bracket. I assume since it is a 2015 you have hydraulic steering. In that case remove the arm from steering rod to the motor. Mercuries require a long metric allan wrench. I replaced pump and motor with a new one. This was after trying 2 rebuilt ones. If motor is mounted directly to the transom you will need help unless you have arms like an ape. You will also need to seal the bolts when you reinstall. Things get a little wobbly with just on bracket secured. I left my transom saver hooked up. Again my motor was a Mercury. I had problems with tilt bleed down for years and dealer replaced seals under warranty. After putting a new pump and motor in the bleed down went away. With the problems on Tohatsus I imagine that there are You Tube videos.


2200 Bay Champ/200 Mercury Optimax
2017 Tundra TSS 4x4 Crewmax 5.7L
Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13982595 05/02/21 02:38 PM
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Thanks for advice.

Here's an update, I can raise the motor all the way up and put it on those support jacks that are built in. After that I can remove the pin from the top hydraulic jack and tilt the trim system down. This gives me access to remove the electric motor off of the trim unit. Any thoughts on just trying to replace the electric motor?

Everything I Google and read it doesn't sound like I have hydraulic or fluid issues. It just sounds like the electric motor is not strong enough to raise, or the electric motor stops working until I tap on it.

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13982854 05/02/21 08:30 PM
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This is the motor.

[Linked Image]

I traced the wiring back, and this is the plug at the other end.


[Linked Image]

The motor is a Tohatsu. But Everything on it says Honda. And this Tilt motor is a "Showa" which looks exactly like a honda setup from what I can google.

My question now, how do I know which electric trim motor to order? I feel like I can do this myself.

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13982856 05/02/21 08:31 PM
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Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13983351 05/03/21 11:19 AM
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Anything over 60hp is a Honda labeled as a Tohatsu.

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13983420 05/03/21 12:43 PM
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the BFT line is made by Honda.
if you need the trim motor.. i'm a tohatsu dealer. i'd be happy to look into the part for you.

i looked up the trim motor assy'. Tohatsu is out of stock. you should check with a Honda dealer and see if they have it available.

Last edited by steve@hydrodynamics; 05/03/21 12:51 PM.

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Re: Tohatsu 225 - Trim motor going out? Help [Re: Alumacraft 14] #13983425 05/03/21 12:50 PM
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Originally Posted by Alumacraft 14
Anything over 60hp is a Honda labeled as a Tohatsu.


until last year. last year tohatsu came out with their own 75,90,115 lineup. they are really good engines too.

Last edited by steve@hydrodynamics; 05/04/21 02:21 PM.

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Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13983501 05/03/21 01:44 PM
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I appreciate the help.

I ordered some hydraulic fluid and a replacement for the electric motor. I'm goin to try to install it and see what happens.

I'm sure I'll be back to ask for more help.

Re: Tohatsu 225 - Trim motor going out? Help [Re: Alumacraft 14] #13983526 05/03/21 02:02 PM
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Originally Posted by Alumacraft 14
Anything over 60hp is a Honda labeled as a Tohatsu.


^^^This^^^

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13983566 05/03/21 02:28 PM
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I would keep the electrical motor that is giving you the problem and once it is off the boat would take a hard look at it. Water & electrical motors don't mix well. You might need new seals for the old motor or if it has brushes (new brushes). Your tapping on the old motor to get it to work, leads me to think brushes or a loose wire. Best of luck.

Re: Tohatsu 225 - Trim motor going out? Help [Re: steve@hydrodynamics] #13984484 05/04/21 01:12 AM
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Originally Posted by steve@hydrodynamics
Originally Posted by Alumacraft 14
Anything over 60hp is a Honda labeled as a Tohatsu.


until last year. last year tohatsu came out with their own 75,80,115 lineup. they are really good engines too.


This I did not know. Are they 4 strokes? Heard the did away with the TLDI engine which makes me sad luckily I have one and it will probably out live me.

Re: Tohatsu 225 - Trim motor going out? Help [Re: iFloat] #13984652 05/04/21 03:32 AM
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My old boat tilt and trim used to do what you are describing.. The seals break and water slowly gets in and corrodes the insides of the engine.. They are super easy to take apart and clean.. youtube it. I took mine apart, cleaned it with a wire brush, got all the gunk out... Checked the brushes, those were fine... just lots of gunk and corrosion. When you are tapping it you are breaking the seals that the corrosion makes freeing the motor. Once you get it all brushed out, clean it with gunk remover or carb spray... put a light coat of grease on the magnets and then seal it back with rubber sealant.. and it should be good to go.

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