Crank seal leak - Stator side

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Crank seal leak - Stator side

Post  Chris_w_65 on Sat Jun 18, 2016 9:00 pm

Need some help/advice

I did a full motor rebuild - After 1000km I took of my magneto cover and found oil (less than a teaspoon) of oil beneath my flywheel - Cleaned it out and checked after another 1000km and it was back.
Ordered a new seal from Honda (about 8 weeks). Fitted the seal but when I was pushing it in with my fingers it suddenly went in too deep on the one side and the only option I had was to drive it in (a bit deeper than it should be all the way around) with a drift - Not surprisingly it leaked again (it looked a bit wavy).
Ordered another seal from Honda (about 10 weeks) and took my bike to a reputable bike shop, removed the flywheel myself and got the guy there to fit the new seal - I then noticed my oil level was dropping pretty fast and suspected the seal may be leaking again - Tipped the bike over on it's right side and took off the cover -There was at least 250ml in there.
Now I have ordered 2 more seals from Honda....

Any tips? Here is a pic of how it looks - Can I maybe drive it in deeper with an appropriate tool? Anyone have an open motor so they can see how far it can be knocked in? The seal is 6mm wide (54x34x6).

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Re: Crank seal leak - Stator side

Post  Chris_w_65 on Sat Jun 18, 2016 9:04 pm

Magnified photo



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Re: Crank seal leak - Stator side

Post  Mauser on Sat Jun 18, 2016 9:54 pm

Hi Chris, should have left the bike with the small amount of oil....I think mine had a small quantity present when I removed mine....
Looking at the book it doesn't say anything special about replacing the seal....cannot really see how it can go wrong, the book doesn't really say anything other than install the seal ?....you sure bearings are OK ?....wouldn't have thought seals would keep failing ? i

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Re: Crank seal leak - Stator side

Post  BuRP on Mon Jun 20, 2016 11:32 am

No worries, this is normal - don't do a thing!
Actually is does a thing...... preventing rust inside BRP smile
Serious, some seepage is normal.
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Re: Crank seal leak - Stator side

Post  Mauser on Mon Jun 20, 2016 4:08 pm

BuRP wrote:No worries, this is normal - don't do a thing!
Actually is does a thing...... preventing rust inside BRP smile
Serious, some seepage is normal.
Didn't I say that listen up

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Re: Crank seal leak - Stator side

Post  Chris_w_65 on Mon Jun 20, 2016 5:21 pm

Mauser wrote:
BuRP wrote:No worries, this is normal - don't do a thing!
Actually is does a thing...... preventing rust inside BRP smile
Serious, some seepage is normal.
Didn't I say that listen up

Hindsight is 20/20 Frustrated
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Re: Crank seal leak - Stator side

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