Oil blowing from left pipe

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Robypvs
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Joined: Sun Jul 29, 2012 12:12 am

Oil blowing from left pipe

Post by Robypvs » Sat Aug 13, 2016 6:35 pm

Hi

Have just built a Kr from boxes and on start up it seams to be blowing oil out of the left hand pipe which looks like gear box oil .
Am I right The crank oil seals have gone or could I have over filled the gear box oil ?
If it is the crank oil seals which one or would I have to do a full crank rebuild ?

Regards

Rob

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Binetta Steve
Oil Injector
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Location: Lancashire

Re: Oil blowing from left pipe

Post by Binetta Steve » Sat Aug 13, 2016 9:03 pm

Do you have a window on your gearbox side case? .If its overfull you can drop out small amonts via the drain plug on the LHS

Robypvs
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Joined: Sun Jul 29, 2012 12:12 am

Re: Oil blowing from left pipe

Post by Robypvs » Sun Aug 14, 2016 8:39 am

Thank you for reply but was making sure it's the crank oil seal before I pull it apart as cannot work out if oil is topped up to much why it could go into the left barrel .

Gerrit
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Re: Oil blowing from left pipe

Post by Gerrit » Fri Aug 19, 2016 3:28 pm

If it's a crank seal then it's the LH inner seal. The oil can be sucked in from the balancer drive gear cavity- when the engine is running there will be an oil mist there. Chances are the centre shaft is worn, asuming the crank hasn't been rebuilt and fitted with a proper centre shaft.
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Robypvs
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Joined: Sun Jul 29, 2012 12:12 am

Re: Oil blowing from left pipe

Post by Robypvs » Sat Aug 20, 2016 12:49 pm

Hi
Thank you for that will start pulling it apart.

Regards
Rob

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