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  Yamaha question ?

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Author Topic:   Yamaha question ?
whaler3 posted 06-04-2003 11:27 PM ET (US)   Profile for whaler3   Send Email to whaler3  
I have a 1997 Yamaha 130 hp 2cycle engine that I bought used. They have a flush/run hose on the engine. Someone told me that is only for flushing and not for running. Is this true? Thanks for a answer. Whalers are the best boats ever made !
Ogden Dunes posted 06-05-2003 03:35 AM ET (US)     Profile for Ogden Dunes  Send Email to Ogden Dunes     
Whaler 3

Yes that is correct. The motor uses more water than that hose connection can supply. For running the motor purchase one of those lower unit earmuffs usually 7 to 12 dollars.

Peter posted 06-05-2003 09:01 AM ET (US)     Profile for Peter  Send Email to Peter     
The water pump impeller needs water for lubrication. The flushing adapter does not wet the water pump and so you would do damage to your water pump if you were to run the motor hooked up to the flushing adapter because the pump impeller would be rotating in a dry state.
Bigshot posted 06-05-2003 11:31 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Depends! My manual states that you can run the engine on the flush port if engine is in the down position(on a trailer). If it is tilted at the slip then do NOT run it. Personally I se no need to run with hose attached. All you are doing is flushing it so if water pressure is there, why run it?
whaler3 posted 06-05-2003 10:32 PM ET (US)     Profile for whaler3  Send Email to whaler3     
Thanks for the replys. They make sense. I will run it in the yard with muffs to make sure no damage to the pump. Thanks again.

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