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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...
Ductape's avatar
Ductape
Explorer
Dec 28, 2014
We change oil on standby gens at work based on used oil analysis. Works out to about 5 years typically.

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