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850 Valve Stem Oil Seal Dimensions ?


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#1 fixitsan

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Posted 12 October 2016 - 09:30 am

I ordered some seals from a supplier who sent me the wrong ones.... and they've now given me a list of options and said 'choose one' !

I don't have a valve guide out and cannot get my calipers in to measure the seal seat diameter. I think its close to 10mm

I'm measuring a valve stem at just over 5mm.

They sent me seals for a 7.5mm guide and 4mm valve stem !

Yambits sell a set of 10 for all 850's...all the same size and i wish ild gone there first......does anyone know the actual dims I need ?

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#2 dablik

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Posted 04 April 2019 - 06:50 pm

Chris can you recall what the answer is to this question now you've been and done the job !! would of assumed the exhaust seals may be slightly larger but as you say the set from Yambits are all the same size so perhaps not.

 

Edit.. Fowlers only show one listing for them ie one size and as Yambits deliver 10 of one size i have concluded they are all the same size :)


Edited by dablik, 05 April 2019 - 10:20 am.

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