oil change ?
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Tourer
Joined: Aug 2008
Posts: 378
Likes: 34
From: Tennessee
oil change ?
I have a 2008 annver ultra. I used to have a 93 anniv wide glide. I used to change the oil every fall on the WG. I changed the oil with harley syn-3 on the ultra (ive owned this bike for 2 yrs now) last fall. I then still rode it about 600 miles before putting it up for winter. I think the oil should be ok this spring after sitting but want some opinions. I also want to change over to Mobil 1 v-twin 20 50 syn since its chaper and on sale right now for 7.20 qt. when I switch how do I go about switching out all the old oil to replace with the mobil. Or does it really make that much difference if a little bit mixes. The Harley stuff is just too much to do a oil change. thanks Jeff
Road Warrior
Joined: Jun 2009
Posts: 1,943
Likes: 3
From: NYC
realizing when the bike sits for a while more oil is at the bottom of the pan and when we fire it up and do a shut down more oil is on the internal walls of the engine, and oil passages, how does firing it up and draining get more oil out....if it even mattered either way?
Seasoned HDF Member
Joined: Aug 2011
Posts: 11,814
Likes: 5,120
From: SW Ohio
Warm oil flows better than cold oil. Starting the engine and bringing it to operating temp ensures that all the oil leaves the oil tank.
Additionally, HDs are dry sump engines. Sometimes when they sit for a while the sump (the part of the cases under the crankshaft) fills with oil. If you just drained the oil tank (every HD has one) only that oil would be drained or changed. Starting the bike cycles out the excess oil in the sump back to the tank making it available for draining and changing.
Does that answer what you asked?
Additionally, HDs are dry sump engines. Sometimes when they sit for a while the sump (the part of the cases under the crankshaft) fills with oil. If you just drained the oil tank (every HD has one) only that oil would be drained or changed. Starting the bike cycles out the excess oil in the sump back to the tank making it available for draining and changing.
Does that answer what you asked?
Last edited by Campy Roadie; Feb 21, 2013 at 02:39 PM.
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