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Author Topic: Crankcase pressure test fail :/  (Read 17409 times)

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gixxer6

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Re: Crankcase pressure test fail :/
« Reply #15 on: December 17, 2012, 11:27:57 AM »
Nice puller!  Looks alot like the one that I made... 

I was under the impression that your rebuild included splitting the cases and replaceing the seals.  This is a MUST.  From the look of it, I suspect the crank will have some bad/rusted bearings...
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shizznats

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Re: Crankcase pressure test fail :/
« Reply #16 on: December 17, 2012, 03:16:04 PM »
I noticed that there is a groove in the crankcase where the crank seal goes... but the replacement seal I have does not have a rib that would fit in there like the PTO crank seal does. Is this normal? Should I fill this groove with gasket maker when I am putting everything back together? Thanks!
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Interceptor398

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Re: Crankcase pressure test fail :/
« Reply #17 on: December 18, 2012, 07:59:11 AM »
The very first time I rebuilt an Invader motor I did not split the case.  It would have added maybe an hour to the job.  The motor ran one season and then needed to come back out for a correct rebuild.  When I split the case I found the seal had been torn when I tapped it in.  I use the Yamabond to seal the case and it has yet to fail me.
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