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Old 08-08-2015, 06:11   #1
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Tebeau169

Hi
I just received oil and fluid tests results on a used 40' Jefferson. It has 2 Cumming 250 hp engines. Port engine has 140 hours and starboard has 1750. Both have metal in the oil. The engine inspectors opine the cause may be break in for the new engine and rings for the older engine. Should I be worried about this situation, as I am about to pay $90,000 for the 29 year old boat.
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Old 08-08-2015, 06:32   #2
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Re: Tebeau169

My knee jerk reaction is there should not be metal in the oil. That is a 'bad' sign.

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Old 08-08-2015, 09:18   #3
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Re: Tebeau169

Hi Tebeau169 here,
Thanks for the reply. "Bad" means the engine will probably need repair, new rings or even overhaul soon? The port engine also ran hot according to the inspector. that is the newer engine. The surveyor also questioned the owner's statement that the engine oil was changed every 35 hours. He has no receipts of this having been done. should I pass on this boat?
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Old 08-08-2015, 09:35   #4
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Re: Tebeau169

A newly rebuilt engine running hot means the rebuild was not done correctly or cafefully.

I do not trust any marina to fix any engine. And not in a timely manor as wrong parts being shipped will will cause unlimited delays.

Unless the rest of the boat is in great shape and you have the time and money and luck to get the engines fixed I would not buy a boat with known engine problems.

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Old 11-08-2015, 21:07   #5
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Re: Tebeau169

A good oil inspection analysis will detail a breakdown of the chemicals in the oil and list probable causes of high or abnormal readings. Metal can come from many sources besides the rings. Engine wear will be higher during the break in period then level off to an acceptable range.
You can order another oil analysis as well as try to obtain owner maintenance records or take the safest course and keep looking.


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