Primary oil amount?
#11
06-01-2015 | 10:53 AM
Club Member
Joined: Apr 2013
Posts: 7,352
Likes: 7,598
From: Utah
Hey all, was my first time changing the fluids in my 2015 Ultra Classic Low,
I drained the primary and went to fill it, says 32 oz, I put almost a quart in and it starts spilling out, the bike was on the kick stand for the change, when I took off the derby cover nothing spilled out, when I drained it the fluid stopped coming out and I assumed it was empty. I also thought does this have anything to do with the Low model having a narrower primary cover? thanks
I drained the primary and went to fill it, says 32 oz, I put almost a quart in and it starts spilling out, the bike was on the kick stand for the change, when I took off the derby cover nothing spilled out, when I drained it the fluid stopped coming out and I assumed it was empty. I also thought does this have anything to do with the Low model having a narrower primary cover? thanks
This is from the 2015 Service Manual:
Have a good trip.
#12
06-01-2015 | 11:02 AM
Stellar HDF Member
Joined: Mar 2013
Posts: 2,456
Likes: 1,199
From: In a house
Maybe they changed the definition of "wet" and "dry" for the Rushmore bikes, but in the past wet has meant just a straight fluid change - pull the drain plug (and filter for engine oil), replace drain plug/filter, and refill. Dry refers to doing the above and then pulling the primary cover to do additional work such as changing clutch plates or a compensator because additional fluid is lost when the cover and other components are removed - therefore more fluid required for a "dry" fluid change compared to a "wet" fluid change. It is not referring to a dry or wet clutch assembly.
#16
06-01-2015 | 12:13 PM
Seasoned HDF Member
Joined: Mar 2010
Posts: 35,712
Likes: 5,132
From: Honah Lee
I would be very concerned you drained the wrong hole if 32 oz spills out. I know you know how and maybe it's just different. It takes 1 extra qt above the proper amount to get mine even with the top edge when level (son thought that was level and we were using SYN3 then). I also think when Harley from 32 to 38 was to help the compensator since it's at a higher level in a 38 bike (over the spring) then in a 32 (under the spring) on the clutch ..
Last edited by Jackie Paper; 09-14-2018 at 11:10 AM.
#18
06-01-2015 | 12:47 PM
Thread Starter
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Road Warrior
Joined: Jun 2012
Posts: 1,672
Likes: 17
From: Orange, VA,
I would be very concerned you drained the wrong hole if 32 oz spills out. I know you know how and maybe it's just different. It takes 1 extra qt above the proper amount to get mine even with the top edge when level (son thought that was level and we were using SYN3 then). I also think when Harley from 32 to 38 was to help the compensator since it's at a higher level in a 38 bike (over the spring) then in a 32 (under the spring) on the clutch ..
My 1,000 service was done at the dealer, they told me it was mandatory I have it done at the dealer, $310, I have driven the bike almost 2,000 miles since that service and wanted to change all the fluids before my trip, will be about 2,500 miles total.