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oil capacities on a fatboy

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Old 06-22-2011, 02:55 PM
mclldavidson mclldavidson is offline
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Default oil capacities on a fatboy

I have had a shop do my service but I want to do it myself this time. What is the capacity of the engine, transmission and primary on an 03 fatboy?
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Old 06-22-2011, 03:30 PM
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I don't know but I plan on doing all this myself as well and I bet all that info is in the service manual that I'm picking up next week : )




But.. I'm also curious as to what the bike takes in fluids.

Last edited by Totally Bored; 06-22-2011 at 03:35 PM.
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Old 06-22-2011, 04:44 PM
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Primary - 1 Quart
Transmission 22-24 Ounces
Engine 2.75 to 3 Quarts if you do not purge out all of the old oil.
3.5 Quarts if you do purge all the old oil out.

Remember to get all the gaskets, o-rings, new HD filter and some Teflon tape for the drain plugs.
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Old 06-22-2011, 04:56 PM
mclldavidson mclldavidson is offline
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thanks
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Old 06-22-2011, 07:52 PM
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Quote:
Originally Posted by Totally Bored View Post
I don't know but I plan on doing all this myself as well and I bet all that info is in the service manual that I'm picking up next week : ) But.. I'm also curious as to what the bike takes in fluids.
Good thing you are getting the service manual, because your 2011 Softail takes more oil in the transmission, 32 ounces.
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Old 06-22-2011, 08:04 PM
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Originally Posted by poppavein View Post
Good thing you are getting the service manual, because your 2011 Softail takes more oil in the transmission, 32 ounces.

+1 Yes, get the service manual. We must all remember that a quick glance at a post can lead you astray.

The original question referenced an 03 FatBoy obviously I assumed a five speed 2003 FatBoy.

My numbers are not valid for a six speed.
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Old 06-22-2011, 08:10 PM
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Yeah I was kinda saying that if you plan on doing all that it would be a good idea to get the service manual for your bike. I had one for my sportster and it was very helpful.
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03, 2003, 2011, boy, capacities, capacity, davidson, fat, fatboy, fluid, harley, iol, oil, primary, quarts, transmission

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