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  #351  
Old 1 Day Ago
Hippysmack's Avatar
Hippysmack Hippysmack is offline
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Sportster/Buell Model: Xl1250S
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A reservoir (or bathtub) was constructed to feed oil to the cam port inlet in the top of the pump.
A short piece of 1-1/2“ pipe was cut and and finished on the ends with cut pieces of flange paipe pressed into the 1-1/2” pipe.
Then the joints inside were sealed with 5 minute epoxy followed by POR 15 on the bottom and inside to seal the bathtub to the aluminum bed.
A tap was made in the side of the pipe for a 1/8“ NPT x 3/8” hose bibb fitting.



Here is the initial run showing air coming into the cam port inlet.
I have to seal that bathtub though so I can compare to the 97 pump.

http://www.sportsterpedia.com/lib/ex...hippysmack.mp4
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  #352  
Old 13 Hours Ago
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Hippysmack Hippysmack is offline
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OK, got a problem.
I fired up the pump trying to plug the cam port and knocked off a piece of something into the pump.
I believe it was part of the rubber cap.
I could find anything significant in the pump when I took it apart.
The pump locked up so I took it apart to find the return gerotors wouldn't turn.
I removed and cleaned them and didn't see any damage.
Put the pump back together and it spins fine.
But, the pump locking up ate the inside of the rubber cap so now it slips pretty bad.
The oil being on top of the pump spits oil up between the gear and the rubber causing it to slip.

The gear OD is app 1.22" and I don't have a socket that will fit it.
Anybody got an ideas on what I can turn the pump with?
I have one more rubber cap but the oil on top will cause this again.
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  #353  
Old 12 Hours Ago
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Steve9 Steve9 is offline
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Have a lathe?
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  #354  
Old 11 Hours Ago
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Sadly, no metal lathe.
I had first thought of a split collar bored to exact gear OD sliced around the gear and bolted.
But I no longer have access to shop equipment.
I'll probably just use the other rubber cap and try and shield the bottom of the gear.
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  #355  
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Have a mill?

I have made whitney punches putting the stock it the mill collet and holding the tool bit in the vise.

But I'm a butcher
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  #356  
Old 43 Minutes Ago
Iron Mike Iron Mike is online now
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Try a zip tie around your rubber cap. Might be a simple fix
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