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Water or air in gear oil of yanmar saildrive

P

Per Lundqvist

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I just put my boat in the wat

I just put my boat in the water and after some 10 min running I checked the oil in the saildrive (gear oil). It looks like water in it but Yanmar claims that it might be air - can anyone tell the difference?

Per
 
TRY LETTING BOAT SET FOR 3 OR

TRY LETTING BOAT SET FOR 3 OR 4 DAYS AND THEN CRACK DRAIN PLUG.IF ITS WATER IT WILL COME OUT FRIST.
 
water and oil will turn milky

water and oil will turn milky after a short run
 
"One dead giveaway is if the l

"One dead giveaway is if the level rises. Also, you can take a sample and have it analyzed at a place that does common engine oil analysis, such as Analysts, Inc.. They can do a test that looks for sodium (for ocean going vessels)- not sure which test covers fresh water- just ask them."
 
"Hello Per, Check the seals at

"Hello Per, Check the seals at the prop shaft and change them along with the o-ring at the housing. Check the propshaft for true, if it has a slight bend it will allow water in. Milky white is water contamination. Pick up a service book, a good but and a good read."
 
Looking for a good rebuilt yan

Looking for a good rebuilt yanmar 15hp 1 gm engine for my sailboat at a fair price.
Robert
 
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