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alank2's avatar
alank2
Explorer
Dec 28, 2014

How long does Mobil1 last if not used, but installed...

Hi Everyone, I've got a Yamaha ef3000iseb that just gets exercised 30-45 min every 3 months or so. The Mobil 1 in it now is about 2 years old, but it looks perfect and clean. Should I change it o...
joebedford's avatar
joebedford
Nomad II
Dec 30, 2014
Had a look at the Royal Purple I put in my Onan 2.5 years ago. It looked a bit used but not bad. I'll change it this summer when the RV isn't doing anything.

I have about 150 hours on that oil.

I run my PM longer than you - at least an hour a month - to get the condensation out.

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