Fake Primary Leaks
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Seasoned HDF Member
Joined: Dec 2010
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From: Coromandel Peninsula New Zealand
Fake Primary Leaks
Had two bikes in this week (one Evo and one TC, one has 35K miles and the other 26K) both had been suffering from primary/tranny leaks but were still leaking after having the seals replaced.
Had a good look round and found that it was the sump bolts had worked loose...when the oil is all over the place you can't see the sump leak....once its cleaned you can't see it until the bike has done a few miles but the leak drips down from the same area as a primary oil seal or tranny oil seal and the place where the leak emerges is hidden by the inner primary.
My advice?...tighten your sump bolts from time to time, keep that area clean and inspect at every oil change.
Had a good look round and found that it was the sump bolts had worked loose...when the oil is all over the place you can't see the sump leak....once its cleaned you can't see it until the bike has done a few miles but the leak drips down from the same area as a primary oil seal or tranny oil seal and the place where the leak emerges is hidden by the inner primary.
My advice?...tighten your sump bolts from time to time, keep that area clean and inspect at every oil change.
Thread Starter
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Seasoned HDF Member
Joined: Dec 2010
Posts: 7,736
Likes: 1,524
From: Coromandel Peninsula New Zealand
The sump is under the tranny but not on Softies as they have oil tanks.
Dirt don't hurt
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From: Haslet Texas
I wonder what would happen if I came up there and took away your seafom for a week?
How bad do you think the withdrawals would be?
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From: Ladysmith, British Columbia
That's the reason I use different colored fluids Redline in the trans, Lucas in the primary. and any engine oil...can tell the difference between the three right away if there's a drip.
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