this post was submitted on 12 Jul 2023
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How long is gas still "good" in a tank? Premium gas, pretty sure it's 10% ethanol.

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[–] [email protected] 4 points 1 year ago (9 children)

Gas should be okay to sit for a while but will gradually lose its octane rating. FI bikes are especially tolerant. Carbed bikes can have issues as the gas evaporates out of the float bowls (jets can clog). Might be worth draining them or running them out before you leave it.

Don't park your bike under trees in a rainy region or the drain hole can clog, water could get in your tank which is a really bad time.

[–] JustAManOnAToilet 2 points 1 year ago (6 children)

Sitting for 3 months, FI bike (MT-09). Siphon out of the tank or run it?

[–] behohippy 3 points 1 year ago

I don't think the MT-09 needed premium either. Should be fine.

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