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Tech Information => General Help => Topic started by: dirtbag on April 10, 2015, 07:56:45 AM

Title: Mikunl oil pump rebuild help
Post by: dirtbag on April 10, 2015, 07:56:45 AM

Can anyone suggest where I might be able to purchase new seals for the oil pump on my 1980 340 Invader. I'm having some leakage. Likely it's the same for the 440.

Any help appreciated.

Title: Re: Mikunl oil pump rebuild help
Post by: gixxer6 on April 10, 2015, 08:18:04 AM

I looked for replacement shaft seals for the oil pumps and could not find a replacement.  I ended up replacing the pump with a good used unit. 

Now, before installing a oil pump, I fill it with oil on the bench and let it sit over night to check for leaks. 

Title: Re: Mikunl oil pump rebuild help
Post by: mswyka on April 10, 2015, 06:37:27 PM

I don't know whether this will be any help or not, but, the guy who does the water pump rebuilds may be able to help.  I think that he goes by flying dutchman or something like that.  http://water-pump-rebuilders.com/