changing oil 91 softail

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Apr 14, 2008 | 07:36 PM

roadrashron

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Stage I

Joined: Apr 2008

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changing oil 91 softail

got a friend here that is changing the oil, no book or tech manual, where is drain plug? not same as my 07 FXDL so i cant help him.

Apr 15, 2008 | 01:33 AM

Javieret

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Joined: Sep 2006

Posts: 357

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From: Valencia, Spain

RE: changing oil 91 softail

Hello,

The 1991 Harley uses a dry sump oil system so there is no need for a drain plug on the crank case. Instead there is a black rubber hose directly in front of the rear tire that is connected to a plug on the frame with a hose clamp. Remove this hose from the plug and drain the oil tank thru the hose. Replace the hose and tighten the clamp. Then refill the tank with the correct amount of oil.
Unlike a car which uses a wet sump system and requires a oil pan, the Harley uses an oil tank. The oil is pumped from this thru the engine and back to the tank.

--
Javi