Hi fella's<br /><br />Going to show my inexperience again. Is 80w/90 automotive gear oil ok for marine gear box's or not. I have 20 litres sitting here and thought I may be able to use it.<br /><br />Thanks <br />Macca
Macca<br />In a word: NO! Automotive gear oil is not intended for late Model Marine use and will destroy your gearbox very soon. I assume you are talking about your 1975 Evinrude 135hp.
Hi Rick<br /><br />You have got a great memory, I am talking about my Evinrude 135 so I will leave this oil well alone.<br />Thanks again.<br /><br />Macca.