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Old 26-11-2014, 09:05   #16
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Re: Starting a stored Yanmar Engine

Nothing like a happy ending, and I agree change out the impeller for a fresh one, cheap and easy. Congrat's

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Old 26-11-2014, 17:28   #17
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Re: Starting a stored Yanmar Engine

Now just make certain you have good clean fuel too. I don't know if any said that but don't use old contaminated fuel. If your tanks are suspect at all just get in there and clean everything well.
Ended up putting in a new fuel tank during this refit so clean tank and clean fuel. It was nice to have that electric pump installed to get the fuel up from the tank and though the lines.

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Old 27-12-2014, 13:12   #18
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Re: Starting a stored Yanmar Engine

Originally Posted by bbalan View Post
Hi all.

I have a 20 year-old Yanmar 4JH2TE with 3,800 hours. The boat has been on the hard for 20 months and is now back in the water. I did not expect to be in the yard for so long so I did not prepare the engine for such a long storage. I did flush the raw water system with fresh water when we first went in the yard and Iíve turned the fly wheel by hand several times. Other than that, nothing.

Is there anything I should do before I try to start the engine?
Thanks very much.
s/v Migration
Phuket, Thailand
Glad to hear you still own the boat. I was wondering what happend due no updates on the website. We met in Panama City (Uhuru - Young Swedish couple on a tiny catamaran). Looking forward for the next website update
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Old 27-12-2014, 13:59   #19
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Re: Starting a stored Yanmar Engine

Change the oil and its filter, polish the fuel and renew the filters, change the raw water pump impeller and the coolant, check the exhaust system and seawater strainer for obstructions. And check the drive belts.
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Old 10-01-2015, 22:11   #20
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Location: Olympia, wa.
Boat: Mariner Ketch 32- 1979- hull 202
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Re: Starting a stored Yanmar Engine

You really should pull the valve cover to see if any rust is on the valve train.
This area is often overlooked in a long term storage and can cause a lot of problems.
Top engine gets little oil as it is , and if it was sprayed on before lay up, it'll be fine.

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