Quote:
Originally Posted by Ying li
I purchased a 2020 Yamaha drive 2 efi quietech from the villages golf cart in LSL. I was about to change the oil. While looking at my owners Manuel, it recommended yamalube oil viscosity 10W-30 for temperatures 10 to 70 degrees Fahrenheit or 10W-40 for temperatures 10 to 110 degrees Fahrenheit. So I went to TV golf cart LSL. Asked to purchase a quart of 10W-40 yamalube oil. They told me they didn't sell 10W40, just the 30. I said, but we will be in the mid 90s the whole summer. The Manuel says to use 10W40 in these temperatures. They had no answer for me other than, we only sell 10W30. So the oil changes they do, break down after 70 degrees. Tell me how how many engines get ruined by this practice. I'm going to buy the 10W40 for my oil change and do it myself.
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The owner's manual for my 2014 Yamaha cart calls for 10W30 Yamalube oil. I change the oil myself every 6 months.