crankcase oil drain on evo?

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Jan 12, 2016 | 08:54 AM

#51

98hotrodfatboy

Seasoned HDF Member

Joined: Mar 2010

Posts: 21,114

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From: Poolville

Quote:

Originally Posted by glidein wide

Hey HOT ROD,look what I found !!!!! Thought I would drag it back from the dead incase you would like to look through it, if not we'll just let the thread die again. LOL .🍻😁👍

Thanx. I guess flushing would be better than possibly causing the case to crack. Thanx glide.....

Jan 12, 2016 | 10:14 AM

#52

panz4ever

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Joined: Oct 2005

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From: Santa Klaus County, Cali

Quote:

Originally Posted by Dan89FLSTC

I`ve never heard of anyone installing a drain plug on a Big Twin Crankcase.

Actually they were used on all Panheads and think they were used as far back as 1937.

Last edited by panz4ever; Jan 12, 2016 at 10:22 AM.

Jan 12, 2016 | 01:06 PM

#53

johnjzjz

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Joined: Nov 2006

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From: la la land jerzey

Quote:

Originally Posted by panz4ever

Actually they were used on all Panheads and think they were used as far back as 1937.

my 1926 JD and every thing to the first built bike has one, so does my 1948 chief - and all the harley VL series bikes 1930 / 36 had a mechanical lever to drain the lower unit before starting it as the hand pump (oil pump ) has a check ball that allowed a drop after drop and in a week the sump filled , the 1935 we take to the swap meets you can start it up with out draining it But the will smoke everyone out as they do not have oil control rings only 4 compression

every antique bike harley and indian has a plug to drain 1969 shovel still has one

Jan 13, 2016 | 08:06 PM

#54

Dan89FLSTC

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Joined: May 2008

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From: South Carolina

Quote:

Originally Posted by panz4ever

Actually they were used on all Panheads and think they were used as far back as 1937.

I still have never heard of anyone installing a drain plug on big twin crankcases.

Those Panheads and earlier bikes came from the factory with drain plugs on the cases...

Last edited by Dan89FLSTC; Jan 13, 2016 at 08:08 PM.

Jan 13, 2016 | 08:12 PM

#55

johnjzjz

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Joined: Nov 2006

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From: la la land jerzey

Quote:

Originally Posted by Dan89FLSTC

I still have never heard of anyone installing a drain plug on big twin crankcases.

Those Panheads and earlier bikes came from the factory with drain plugs on the cases...

after market cases almost always have a bottom drain or a removable hatch link a VW beetle has