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Yamaha 70hp ETLH

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thomasena789

New member
How do I replace the gear oil in lower gear case. I see a wash plug and an oil level plug but I cannot see the oil drain plug.

Please advise, thanks
 
Am70ETLD does not have a "wash" plug if by that you mean a port that is used to flush a motor with fresh water. There are two plugs. One for the drain/fill and one to vent air as the lower unit gets filled with oil. Both are on the right hand side of the lower unit towards the front.
 
Thanks Boscoe, I did locate the drain plug and have now changed the oil. THere is a second plug close to the oil vent which is engraved with the word 'wash" It is the same size as the oil vent. I can only assume it could be for flushing out the oil chamber after draining. What kind of flushing liquid could be used assuming it is there for that reason?
Thanks once again for your information,
 
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