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Showing results for tags '20w40'.
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I put in AMSOIL 10w40 instead of the recommended 20w40. Noticed the other day when I saw the container under my work bench. Strange I hadn't noticed before. Got a few 1000km's on it. Should I be concerned?
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I have been using Yamalube 20W40 in my 07 Venture. I know there are other options but I decided I would use it a least for the first few years in case I had any warranty issues. I went to the yamaha dealer the other day to pick up a gallon of oil for my next change. Apparently 20W40 is not available anymore. They now have 20W50 instead. I asked why they changed. Dealer was not sure. Anyways I have a few questions that I was hoping some of our members could comment on. 1) Does anyone know why they changed? 2) I have 2 litres of 20W40 left over. Can I mix it with the 20W50 on the next change? Thanks Jim