What kind of oil for primary...

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#21

07-19-2011, 07:34 PM

Notgrownup

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Primary fluid...

#22

07-19-2011, 07:44 PM

chamokie

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Harley primary oil. Works fine

#23

07-19-2011, 07:48 PM

oct1949

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Drew. DREW. 5 1/2 yrs and 17k post... and u ask.!!!

Don't know if Ur being serious or kidding.

#24

07-19-2011, 07:55 PM

cbigbie191

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HD formula+ is all I ever put in and no problems. Primary's aren't picky.

#25

07-19-2011, 08:23 PM

SPaZZdOG

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Quote:

Originally Posted by oct1949

Drew. DREW. 5 1/2 yrs and 17k post... and u ask.!!!

Don't know if Ur being serious or kidding.

Well this was posted about 4 years ago,

#26

07-19-2011, 08:25 PM

streeteagle

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Have ya noticed this thread goes back to 2/07? Did it need to be rejuvenated?

#27

07-19-2011, 08:31 PM

RICHIEMACK

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Redline in all3 holes

#28

07-19-2011, 08:40 PM

oct1949

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OOOOphs didn't see how old it was.... now that makes more science. Bahaahawaaa...

#29

07-19-2011, 09:27 PM

Stubby3492

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Quote:

Originally Posted by mp

Do not use syn oil for the primary. You would be throwing away money. Use whatever dyno oil is on sale- 5w30, 10w30,whatever.
ATF works fine and is helpful in determining if oil leaks are engine, primary or tranny.
The splash lube environment in the primary doesn't require a super special oil.

You're exactly right on mp. You can use practically anything in the primary. It doesn't have to be synthetic. Mine came with ATF in it and it was fine. Last time I changed it I had a spare bottle of Amsoil 20/50 so I just dumped that in.
Just make sure whatever you use is wet clutch compatible. Most of them are.

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