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Old 25 April 2012, 14:45   #21
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naff pump drive me finks

why would this fail so early in life?
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Old 25 April 2012, 16:59   #22
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The oil pump drive is the weak link it's prone to failure . The oil pump shaft is metal and the drive is composite/ plastic and wears out and fails causing major engine damage .
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Old 25 April 2012, 17:05   #23
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Found my old thread on Boatmad regarding oil pump drive failure .
For all those who use the Merc oil pump - Boatmad.com
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Old 26 April 2012, 02:09   #24
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chuff me that engines well toasted

time for oil block off then me finks,
am i right in saying it is recommended to fit and leave an oil drive thinger me jig on the crank even tho its not being used as it causes some kind of vortex or sumat in crank case?

ed
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Old 26 April 2012, 07:45   #25
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righto its on route to my machinist,
vapour clean then inspection before fitting this
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Old 26 April 2012, 11:18   #26
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Quote:
Originally Posted by nugent View Post
chuff me that engines well toasted

time for oil block off then me finks,
am i right in saying it is recommended to fit and leave an oil drive thinger me jig on the crank even tho its not being used as it causes some kind of vortex or sumat in crank case?

ed

I always had them removed , never made any difference .
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Old 26 April 2012, 13:14   #27
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roofer many thanks fore your input,
machinist just called all is well
should i wack a full set of new pistons in there or just 1 side?

my 135 i changed the lot for a sensible price but was advised should of just bored + changed damaged ones only

stuff it will enquire for new set all in do not want to do a half assed job
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Old 27 April 2012, 06:50   #28
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Quote:
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naff pump drive me finks

why would this fail so early in life?
Pretty clear cause indeed..
Good luck rebuilding!
Gr. W.
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