Inner primary leak
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Novice
Joined: Jun 2012
Posts: 18
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From: McGregor, Texas
Inner primary leak
I recently purchased a 2007 Ultra Classic and after riding a couple of days I found a leak...or it found me. The leak doesn't seem to happen until about 30-50 miles into a ride, but when it starts, it drips pretty good. It leaves about a tuna can size spot in te garage when I get home.
I took the bike to the place where I bought it, and they took the inner primary off and said they replaced the inner primary gasket. I am new to Harley, but I know it isn't leaking up by the Stator, it is leaking back by the belt pulley area. I am not sure what gasket that is called 'maybe an inner primary gasket as well?". It could be the benzit/starter drive gasket too. I took it by and showed tem that the leak is still there and still going strong
I am dropping it off again tomorrow and I pray to God they get it fixed as I hate being down and missing rides. Anyone else have issues with having to take the bike in multiple times to fix an inner primary leak?
I took the bike to the place where I bought it, and they took the inner primary off and said they replaced the inner primary gasket. I am new to Harley, but I know it isn't leaking up by the Stator, it is leaking back by the belt pulley area. I am not sure what gasket that is called 'maybe an inner primary gasket as well?". It could be the benzit/starter drive gasket too. I took it by and showed tem that the leak is still there and still going strong
I am dropping it off again tomorrow and I pray to God they get it fixed as I hate being down and missing rides. Anyone else have issues with having to take the bike in multiple times to fix an inner primary leak?
Last edited by Ricky Bobby; Jun 18, 2012 at 01:36 PM. Reason: spell check
Cruiser
Joined: Oct 2005
Posts: 205
Likes: 6
From: South Jersey
I had the inner primary leak last year. Mine was not as big as yours. Only a dime size spot. I pulled the inner primary and replaced all the seals and no problems since. Mine was the sifter shaft seal which is the normal culprit. Not uncommon to damage seals on reinstall of primary.
Don
Don
Stellar HDF Member
Joined: Aug 2009
Posts: 3,212
Likes: 212
I had the inner primary leak last year. Mine was not as big as yours. Only a dime size spot. I pulled the inner primary and replaced all the seals and no problems since. Mine was the sifter shaft seal which is the normal culprit. Not uncommon to damage seals on reinstall of primary.
Don
Don
Most people I know replace the seals when they pull the inner just because they tend to be old and prone to leaking. There are a lot of small spots back there that can leak and look like an IP leak, but they're not.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
to find the source of a leak, spray the suspect area with drugstore spray on foot powder- the seep will wash it away.
1. could be primary, could be tranny.
determine which.
too tight a belt can can a tranny leak a common cause of tranny leak is mud dauber wasp blocking the vent hose for the tranny.
also the tranny end cover bolt spec is now 25 ft lbs. and that can be the source of a seep esp the 2 lower bolts that hold the exhaust mount.
the primary itself is pretty easy to seal- if in doubt a dye can be added to the primary fluid and a blacklight will indicate the source.
some guys run redline for a "performance/cost" reason. i have run it in the tranny for leak detection, same as in a car...black= oil, red= tranny
mike
1. could be primary, could be tranny.
determine which.
too tight a belt can can a tranny leak a common cause of tranny leak is mud dauber wasp blocking the vent hose for the tranny.
also the tranny end cover bolt spec is now 25 ft lbs. and that can be the source of a seep esp the 2 lower bolts that hold the exhaust mount.
the primary itself is pretty easy to seal- if in doubt a dye can be added to the primary fluid and a blacklight will indicate the source.
some guys run redline for a "performance/cost" reason. i have run it in the tranny for leak detection, same as in a car...black= oil, red= tranny
mike
Road Master
Joined: Dec 2010
Posts: 1,048
Likes: 263
From: Fresno Ca
I just had my primary off. On an 09 the inner has a gasket at the stator, a seal where the trans main shaft comes through, an o-ring on the starter nose, and 5 special bolts with sealing heads that hold the inner primary on. All of that should be changed and for mine it came in a kit at the dealer.
Banned
Joined: Mar 2012
Posts: 11,232
Likes: 16
From: Socialist Republic of the USA
Mine was more the dime size type and a few years ago. Had an Indy fix it pretty cheap. Better to have it done right than keep with dealing with it. Some techs at dealers are not gonna get you going straight but they may yet have that MMI flag to fly.
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Novice
Joined: Jun 2012
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From: McGregor, Texas
Thanks for the information guys. Gonna take it in tomorrow morning. I am going to ask them to replace all the mentioned gaskets.
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Novice
Joined: Jun 2012
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From: McGregor, Texas
I'd be lying if I said I understood what you just said.