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"What's this do?"
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Discussion Starter #1
2001 Softail Heritage

I am out in the garage now trying to figure out how many plugs to remove to drain the engine oil. The owner’s manual clearly shows the transmission drain and the primary drain, but skips the part about engine oil drain. And the service manual that I ordered five weeks ago still has not arrived.

Looks like two or maybe even three plugs to remove – one for the tank which is clear to see. But is that the only engine oil drain location? There are two hex-key drain plugs on the bottom of the case. They are on the starboard side about two inches from each other; one a little higher than the other. Are these drains, too?
 

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There is only one engine oil drain. Leave those plugs on the bottom of the engine case alone. There are not drains.

If in doubt about where the engine oil drain plug is, just find the oil hose on the back right side of the oil tank and follow it.
 

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"What's this do?"
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230 Posts
Discussion Starter #3
Thanks. I only got three qts out though. The owner's manual say 3.5 qts with filter.
 

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ibilintuc said:
Thanks. I only got three qts out though. The owner's manual say 3.5 qts with filter.
I changed out mine last weekend and all I got out was three quarts also. I wondered the same thing since the manual states 3.5 quart cap. Actually, I put 3 back in and slightly overfilled according to the dipstick.
 

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All you're going to get out is three quarts. That's just the way Fatboy's are. Put in three new quarts and ride.
 

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TXRoadrunner
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Remember you're going to have to take into account the oil in the filter. And after filling be sure to check the oil level again as if you don't fill the oil filter after installing, the oil level in the tank will fall somewhat because of the filter filling with oil.
 
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