Does Tohatsu 05 carb kit inclue a diaphram and o-rings for the accel pump

Star

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Sep 21, 2010
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Mercury doesn't seem to have a part number for this. they are just two tiny o-rings they want me to buy a carb bowl for $160. Please help guys my o-rings are shot.
 

TOHATSU GURU

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Re: Does Tohatsu 05 carb kit inclue a diaphram and o-rings for the accel pump

What model engine do you have?
 

Star

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Re: Does Tohatsu 05 carb kit inclue a diaphram and o-rings for the accel pump

Mercury 0t987569 manufactured in april of 04 15ELH 4ST I have seen the same carb on Tohatsu. the o-rings go between the plate on the bottom of accell pump diaphram and seal the 1/8" tubes that push gas into the ventury. They are not the same as any I have been able to find. The o-rings have been destroyed by ethanol. Than you for your help on this.
 

pvanv

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Re: Does Tohatsu 05 carb kit inclue a diaphram and o-rings for the accel pump

The Tohatsu part (for the MFS15C) is 3BJ032430M O-RING $1.51 each. Any Tohatsu/Nissan dealer (including me) can help you.
 

Star

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Re: Does Tohatsu 05 carb kit inclue a diaphram and o-rings for the accel pump

Thank you very much for your time to chase this for me. I don't like cobbling things together especially where chemical resistance is an
issue. I would still like to know if they have a complete carb kit for future purchases. Thank you IBOATS for the ability to get information like this that is not easily availible. I take good care of this nicely made Tohatsu/Mercury motor, and I am sure there are alot of them 6 to 8 years that are leaking fuel baddly from the lower part of the accell pump. The solution is easy and it is putting gas fumes inside your motor and hurting fuel ecconomy.
 

pvanv

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Re: Does Tohatsu 05 carb kit inclue a diaphram and o-rings for the accel pump

The complete carb kit you would order (for the Tohatsu MFS15C) is 3BJ871220M CARBURETOR REPAIR KIT, F15C/F20C $54.27.
 
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