6hp Tohatsu for Irwin 25 - SailNet Community
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post #1 of 13 Old 01-12-2013 Thread Starter
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6hp Tohatsu for Irwin 25

I am looking in to a 6hp Tohatsu for my Irwin 25. I sail my boats and use the motor for slipping and going through the channel. Anyone have experience using a 6hp with 5,000 lb. boat?
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post #2 of 13 Old 01-12-2013
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Re: 6hp Tohatsu for Irwin 25

I have an 8 HP Tohatsu and it is way more than enough for the Irwin. I would think the 6 HP will do just fine especially if is the sail pro model with the hi thrust prop and the alternator package. The 8 HP that I have has an electric starter which is a nice feature but not absolutely necessary.

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post #3 of 13 Old 01-12-2013
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Re: 6hp Tohatsu for Irwin 25

I can hip tow my 6200lb Westerly 26footer with a 3.5, in decent conditions.

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Re: 6hp Tohatsu for Irwin 25





Yes it will move fine in conditions that allow the prop to stay in the water

Even with my now perfect inboard and GREAT reverse due to the wonders of folding props i consider it a docking FAIL if i need reverse to any great extent

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post #5 of 13 Old 01-13-2013
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Re: 6hp Tohatsu for Irwin 25

I had an Irwin 25 with an old Tohatsu 3.5 on it for years and it did just fine......

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post #6 of 13 Old 01-13-2013 Thread Starter
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Re: 6hp Tohatsu for Irwin 25

Thanks for your quick responses!

I just sold my Cal 27 and picked up the Irwin. Everyone is telling me to get a 9.9 or 15 even. Those numbers seemed to big to me.

6 Hp xtra long shaft with thrusting prop sounds like a good choice. Tohatsu is now offering a 5 year warranty as well.
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post #7 of 13 Old 01-13-2013
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Re: 6hp Tohatsu for Irwin 25

I had a similar weight Catalina 25 with a 9.9 Tohatsu. When it became time to service the thing I always wished it was a Tohatsu Sailpro 6. The 40lb weight difference is significant.

In pushing against a strong headwind you might use the upper ends of the power on the 9.9, but in most conditions you won't be needing it.

Catalina's recommendation is for an 8hp motor. Most people go for the 9.8/9.9 because it's the same weight as the 8hp and not much more expensive.

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post #8 of 13 Old 01-13-2013
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Re: 6hp Tohatsu for Irwin 25

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Originally Posted by jrophoff View Post
Thanks for your quick responses!

I just sold my Cal 27 and picked up the Irwin. Everyone is telling me to get a 9.9 or 15 even. Those numbers seemed to big to me.

6 Hp xtra long shaft with thrusting prop sounds like a good choice. Tohatsu is now offering a 5 year warranty as well.
I had a Coronado 25 at about 4,500 lbs, with a 6HP 2 stroke. It was OK in calm conditions but marginal for the rough conditions of San Francisco Bay. Went to a 15 HP 2 stroke, same size and weight as the 9.9, and it was all I needed. The 9.9 probably would have been enough. Not familiar with your boat but the longest shaft that will fit will get the power to the ground.

We recently bought a 6HP 4 stroke Tohatsu for our fishing boat, runs perfectly, totally satisfied.

Paul T
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post #9 of 13 Old 01-13-2013 Thread Starter
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Re: 6hp Tohatsu for Irwin 25

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Originally Posted by andrewalexander View Post
I have an 8 HP Tohatsu and it is way more than enough for the Irwin. I would think the 6 HP will do just fine especially if is the sail pro model with the hi thrust prop and the alternator package. The 8 HP that I have has an electric starter which is a nice feature but not absolutely necessary.

...@
What are the waters like where you are? I'll be sailing an inland lake off of lake Michigan, as well as Lake Michigan. The waters in Lake Michigan can be real rough at times, but that does not stop me from sailing.

Like I said I need this motor to get me out of the marina, to point me into the wind to get my main sail up, and to get through the channel that connects the inland lake to the Big lake. Usually there is a head wind in the channel.
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post #10 of 13 Old 01-13-2013
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Re: 6hp Tohatsu for Irwin 25

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Originally Posted by jrophoff View Post
What are the waters like where you are? I'll be sailing an inland lake off of lake Michigan, as well as Lake Michigan. The waters in Lake Michigan can be real rough at times, but that does not stop me from sailing.

Like I said I need this motor to get me out of the marina, to point me into the wind to get my main sail up, and to get through the channel that connects the inland lake to the Big lake. Usually there is a head wind in the channel.
Our experience in San Francisco Bay, and outside in the open ocean, was high winds with opposing currents causing a high, short chop that would really make our 6HP struggle. The 15 HP would punch right through to the point of beating the boat pretty hard. If you just have the wind to contend with and not too much wave action, the 6HP might br OK, if you are not in a hurry

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