2002 harley fat boy
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Road Warrior
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From: anywhere
2002 harley fat boy
hi. i have a 2002 harley fatboy with the frankensten kit on it. When i check the oil it is always at the k in check which is about 1/4 of an inch above the add oil mark. I used to fill it up to about 1/2 full on the dip stick but it always goes down to the k in check. My comprewssion is 153 psi on both cylinders and it does not show any smoke coming out of the exaust. my spark plugs are fine front and back have a little brown on them and it does not heat up. My question is, is theis ok to leave it at the k or what?
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Joined: Sep 2008
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From: San Diego, CA
hi. i have a 2002 harley fatboy with the frankensten kit on it. When i check the oil it is always at the k in check which is about 1/4 of an inch above the add oil mark. I used to fill it up to about 1/2 full on the dip stick but it always goes down to the k in check. My comprewssion is 153 psi on both cylinders and it does not show any smoke coming out of the exaust. my spark plugs are fine front and back have a little brown on them and it does not heat up. My question is, is theis ok to leave it at the k or what?
Does it stop at the 1/4" mark, or does it go lower still?
If it stops at the 1/4" mark, then in the future I would fill it to the 1/4" mark and see if it stays there until the next service?
If it doesn't stop at the 1/4" mark, IMHO, I wouldn't add oil until it gets to the add mark..... Then I would try filling it to the 3/4 full mark (or 1/2 full mark) and see how many miles you can run until you need to add oil again. You could then figure out how many miles you get per quart of oil used, and see if your oil usage is acceptable.
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From: Honah Lee
As long as you don't put too much in so it doesn't over flow the tank, your fine on a Softail.
Now as Softails get old, they tend to empty oil into the engine by the old o-ring in the oil pump.
So check it properly so you don't let the old girl get ahead of you.
Drive it till it's warmed up and check the oil immediately after cutting it off. It's save then to top it off at full mark.
Mine drains the oil tank setting 6 months . If someone didn't understand a Softail, and the added oil, it would be coming out the dip stick hole shortly.
Interestingly, when mine is empty, it take a good 10 minutes driving around 2000 rpm or so for it to refill the tank. It's only replacing slightly more than it's putting out to lubricate.
If you keep it properly full, it will probably be good for the life of that oil between changes.
I alway did the 2004 Duece I have like that. I never have had to add oil after an oil change and it has 50k on it.
Now I also rode reasonably rarely over 3000 rpm.
Your bike is not using oil because your putting too much in the tank. If you put too much in, it will tell you by coming out the dip stick fill hole.
Now as Softails get old, they tend to empty oil into the engine by the old o-ring in the oil pump.
So check it properly so you don't let the old girl get ahead of you.
Drive it till it's warmed up and check the oil immediately after cutting it off. It's save then to top it off at full mark.
Mine drains the oil tank setting 6 months . If someone didn't understand a Softail, and the added oil, it would be coming out the dip stick hole shortly.
Interestingly, when mine is empty, it take a good 10 minutes driving around 2000 rpm or so for it to refill the tank. It's only replacing slightly more than it's putting out to lubricate.
If you keep it properly full, it will probably be good for the life of that oil between changes.
I alway did the 2004 Duece I have like that. I never have had to add oil after an oil change and it has 50k on it.
Now I also rode reasonably rarely over 3000 rpm.
Your bike is not using oil because your putting too much in the tank. If you put too much in, it will tell you by coming out the dip stick fill hole.
Last edited by Jackie Paper; Today at 12:15 PM.
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