MFS 9.8 rusty

Fabrice13

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Feb 14, 2024
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3
I have a tohatsu mfs9.8 The motor petrol admit(?) vice(under the black pipe) are rusty. I'd like to change it. There are numbers write on it. Why ? Is that standard vice?
 

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MattFL

Master Chief Petty Officer
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Oct 20, 2010
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I'm going to attempt to translate. The bottom bolt is rusty and he would like to replace it. Why are there numbers on the bolts and what do they mean?

Answer: I believe the number "7" on the bolt refers to the grade, or strength of the bolt. Find another bolt with the same marking. Or you can go to the Tohatsu dealer and order the same bolt. It is really nice that the torque numbers are written on the intake manifold.
 

Fabrice13

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Feb 14, 2024
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I'm going to attempt to translate. The bottom bolt is rusty and he would like to replace it. Why are there numbers on the bolts and what do they mean?

Answer: I believe the number "7" on the bolt refers to the grade, or strength of the bolt. Find another bolt with the same marking. Or you can go to the Tohatsu dealer and order the same bolt. It is really nice that the torque numbers are written on the intake manifold.

I'm going to attempt to translate. The bottom bolt is rusty and he would like to replace it. Why are there numbers on the bolts and what do they mean?

Answer: I believe the number "7" on the bolt refers to the grade, or strength of the bolt. Find another bolt with the same marking. Or you can go to the Tohatsu dealer and order the same bolt. It is really nice that the torque numbers are written on the intake manifold.
Very swift reply. Thanks a lot. If it is the "breech head", I prefer to not open it. Anyway, can you give the name of a trustful Tohatsu dealer on internet ?
I bought an impeller for water pump on internet, and I received a parson impeller compatible but more thin... Please HELP ME !
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
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49,769
I would not worry about the bolt unless it bothers you.

the bolt looks to be stainless and simply have sealant on it.
 

Fabrice13

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Feb 14, 2024
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3
I would not worry about the bolt unless it bothers you.

the bolt looks to be stainless and simply have sealant on it.
No I'm sure it is rusty, I put some white fat on it. By now it is not so important, you are right.
Now, my scope is finding a good dealer for spare parts for Tohatsu in Italy.
 

MattFL

Master Chief Petty Officer
Joined
Oct 20, 2010
Messages
865
boats.net has parts, but I don't know what it costs to ship to Italy. Tohatsu sells around the world, there must be a dealer in Italy somewhere. If you use the motor in salt, spray everything under the hood with silicone spray when you're done for the day. The silicone won't hurt the rubber and stops the rust and corrosion.
 
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