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  #1  
Old August 22nd, 2005, 11:34 AM
Bahama Dawg Bahama Dawg is offline
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Default oil leak from Yamaha 115 HP 4 stroke

I have twin 115's, and the right motor (F115TXRZ) Manuf. 11/2000 periodically leaks oil into the transom area of my Cobia 254CC. It does not do it all the time. It is noticeable when I return to the dock, tilt the motors out of the water, then when I return the next day a small amount of oil has leaked. It appears to be dripping off the brackets that hold the motor on the transom. It furhter appears to be coming onto the brackets from the base of the motor section housed inside the removeable cowling. I check the engine oil level every day, and it does not appear to be decreasing. What is causing the leak?
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  #2  
Old August 22nd, 2005, 02:48 PM
jk1162 jk1162 is offline
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Default Re: oil leak from Yamaha 115 HP 4 stroke

It isn't a hydraulic steering hose leak is it.
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  #3  
Old August 22nd, 2005, 05:04 PM
clanton clanton is offline
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Default Re: oil leak from Yamaha 115 HP 4 stroke

There is a replacement oil pump for some of these engines, to stop the oil leak. Dealer should have service bulletin with year and serial number of the engines needing this pump replace.
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Old August 22nd, 2005, 05:55 PM
rodbolt rodbolt is offline
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Default Re: oil leak from Yamaha 115 HP 4 stroke

what clanton says. there is a problem with a few . check with your dealer.
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  #5  
Old August 28th, 2005, 10:31 AM
Bahama Dawg Bahama Dawg is offline
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Default Re: oil leak from Yamaha 115 HP 4 stroke

Quote:
Originally posted by clanton: There is a replacement oil pump for some of these engines, to stop the oil leak. Dealer should have service bulletin with year and serial number of the engines needing this pump replace.
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  #6  
Old August 28th, 2005, 10:32 AM
Bahama Dawg Bahama Dawg is offline
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Default Re: oil leak from Yamaha 115 HP 4 stroke

Thank you for the info. I will check with a dealer reference the replacement oil pump.
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