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S and S OIL pump and Shovelhead OIL Lines

3830 Views 10 Replies 4 Participants Last post by  govmule84
Hey Guys,
Can someone tell me which of the four (4) connectors shown in the photo connect to what? Thanks -
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Forget to state - It's a S&S motor / OIl Pump on a 1980 Shovelhead
1)breather line to top of oil tank
2)vent to atmosphere usually aimed at rear chain if so equipped
3)feed from tank
4)return to tank thru filter and cooler if so equiped
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at this point you could fit a 'JBROSG' oil filter oil pump cover, I fitted one to my S&S pump & it works great, a propper oil filter fed direct from the pump & has feed & return lined at the bottom & hides ya oil lines as well,
1968-1984 Shovelhead Oil Filter Adapter by JBROSG – Rawhide Cycles
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To add to this there is another return to tank on the bottom next to #4. If you would like to use that one instead of the one in the back center of the cover.
at this point you could fit a 'JBROSG' oil filter oil pump cover, I fitted one to my S&S pump & it works great, a propper oil filter fed direct from the pump & has feed & return lined at the bottom & hides ya oil lines as well,
1968-1984 Shovelhead Oil Filter Adapter by JBROSG – Rawhide Cycles View attachment 273448
Thanks Pete - looks great but at $300 a little more than I want to spend.
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To add to this there is another return to tank on the bottom next to #4. If you would like to use that one instead of the one in the back center of the cover.
Thanks Joe,
appears that S&S have many variations on their pumps - mine appears to be the 31-6062 so in my photo
#4 is the oil return
#3 is the feed for oil tank
#2 is a breather that could also blow oil on the chain
#1 is the vent to the top of oil tank and also connected via a "T" piece to the inner primary case.
2

In your last post #3 should read, ''#3 is the feed FROM oil tank''.

You said, ''#1 is the vent to the top of oil tank and also connected via a "T" piece to the inner primary case''.

That is true if the bike is stock. But as your bike is a S&S and is using a Evo years pump cover that does not have the oil feed for the primary, I assumed a divorced primary. So no T needed. Item 6 in the following picture.

Also your pump does not have the rear chain oiler #8 in the above picture.
So divorce primary and you don't need the adjustable rear chain oiler/leak anyway.
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In your last post #3 should read, ''#3 is the feed FROM oil tank''.

You said, ''#1 is the vent to the top of oil tank and also connected via a "T" piece to the inner primary case''.

That is true if the bike is stock. But as your bike is a S&S and is using a Evo years pump cover that does not have the oil feed for the primary, I assumed a divorced primary. So no T needed. Item 6 in the following picture.

Also your pump does not have the rear chain oiler #8 in the above picture.
So divorce primary and you don't need the adjustable rear chain oiler/leak anyway.
Thanks Joe - yes I meant FROM - good catch..
I will just cap off the Inner primary and run it with some oil in it.
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