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With my work schedule as of late, I'm not able to ride that much. Maybe one or two short rides every few weeks. Is it best to keep the tank full in between rides? I've been adding seafoam lately because there has been times where it has sat for a month or longer between ride. I have a 2009 Sportster 883.
As mentioned above..keep full.
I think those short periods between rides don't require additives. All my engines run like crap for that first tank in the spring if I use storage additives...have to empty the tank and get good fresh gas in there until they run well. If you're just doing short rides every month or so...your bike will always run like ***.
Todays fuel has tons of stablizers 'n cleaners in it right from the pump. For the past "many many years" I've stopped using storage additives, and they always fire up just fine in the spring. Boats, bikes, lawn equip, whatever.
Over the winter.....tank full
Riding season....no matter how long between rides.... what ever is in the tank when I pull it into the garage is what is there
Keep the tank full as possible and as often as possible for a couple of reasons...First of all ethanol collects moisture in the air and it winds up in your tank. The more air space in your tank the more room for humidity and therefore moisture in the tank and yes it will rust the inside of a non coated tank.
Gas a few years ago would be okay to just sit in your tank for awhile. Gas today has at the minimum 10% ethanol. This ethanol will absorb moisture and start doing what's called phase separation. The moisture start's showing up. Maybe I fell for it but I have been using ethanol fuel treatments with full tank fill ups. No problems with fuel delivery, and the bikes run good.
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