replace or rebuild oil pump
Thread Starter
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Tourer
Joined: Sep 2009
Posts: 292
Likes: 3
From: Westland, Michigan
replace or rebuild oil pump
have a 1984 early EVO, i have to replace the oil pump.... and tricks or info on how to do it? i am going to look in the book but thought i woould ask here as well...
Seasoned HDF Member
Joined: Dec 2010
Posts: 7,736
Likes: 1,524
From: Coromandel Peninsula New Zealand
Rebuild it according to the manual and no one gets hurt. Prime it before starting the bike and also crank the motor over with no plugs until the oil light goes out before starting it.
Getting the seals to go in straight and level can be an art in itself.
Getting the seals to go in straight and level can be an art in itself.
Elite HDF Member
Joined: Sep 2007
Posts: 4,468
Likes: 12
From: Bluffton, South Carolina
If the body isn't to badly scored then rebuild is the way to go. However if there is a lot of scoring then a new one is needed. Plus you need to figure out where the junk is coming from that is doing it or you will be re-doing it again along with whatever part that is failing. Hope this helps.
John
John
Thread Starter
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Tourer
Joined: Sep 2009
Posts: 292
Likes: 3
From: Westland, Michigan
well, i guess i will try the rebuild... now how makes a good rebuild kit? here is what is happing... the oil is coming out of the breather in a fast flow... so i dont think the oil is going back to the tank. check ball is ok.
Road Master
Joined: Oct 2011
Posts: 957
Likes: 2
From: Carlsbad Springs Ontario
oil
Check all other possibilities before assuming the oil pump is the culprit.
I would suggest you ask your local HD Dealer mech. or service guy for advise before you start tearing into it .
Check for blocked oil lines ,oil tank sludge, deteriorated timed crank breather
gear screen , blocked up tappet oil screen , impacted/blocked oil filter etc.
Thread Starter
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Tourer
Joined: Sep 2009
Posts: 292
Likes: 3
From: Westland, Michigan
i just put in a differnt oil filter(harley) the leak got better but still flows out of breather.... i will try to reseat the ball. one thing the oil that is comming out of the breather smells like gas... but could just be me...
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Elite HDF Member
Joined: Sep 2007
Posts: 4,468
Likes: 12
From: Bluffton, South Carolina
If it smells like gas, what it probably is, is reversion. Could be your valves need to be adjusted if you have adjustables, or the intakes may be leaking and the top end needs to be freshened up. Hope this helps.
John
John
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