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Author Topic: Mechanical seal help...  (Read 418 times)

Offline 91250rider

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Mechanical seal help...
« on: June 10, 2015, 05:01:46 pm »
i need to replace the mechanical seal for water pump, 91 lt 250. i was wondering what sealant is a good choice for the process, assuming u need to use one?

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Offline Dutch_Rutter

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Re: Mechanical seal help...
« Reply #1 on: June 10, 2015, 10:51:49 pm »
Id probably use rtv, or the sealer used in between the case halves (forgot the name) but im not sure someone should chime in soon.
04 CRF 450R----> My Beast
03 LTZ 400------> Wife's Boy Friend
90 LT 250R------> Done and Ripping
01 CR 125-------> Traded For the LT

Offline Motoman991

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Re: Mechanical seal help...
« Reply #2 on: June 11, 2015, 01:02:37 pm »
RTV should work.  Yamabond, Hondabond, Threebond 1207B and Permatex Ultra Grey would work too.

Offline MotorGeek - Jerry Hall

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Re: Mechanical seal help...
« Reply #3 on: June 11, 2015, 02:01:38 pm »
It is best to use one of the case-bond glues between the cases (These sealers smell like airplane glue when curing).  Case-bond is oil resistant and semi drying.  RTV/Silicone that smells like vinegar when it cures is not really oil resistant.  Over time silicone swells up and looses it's adheasan.

Ultra grey and ultra blue is not a RTV type silicone it is more closely related to threebond 1211.

Offline 91250rider

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Re: Mechanical seal help...
« Reply #4 on: June 13, 2015, 06:52:43 am »
Thx too all for the guidance...

 

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