Oil on pistons

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Tweedy
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Post by Tweedy »

Do you think I should try new stems first then
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MarkyB
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Post by MarkyB »

You need to take the head off and evaluate its condition, and that of the bores/pistons.
Until you do that you wont know for sure what the problem is.
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bmcecosse
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Post by bmcecosse »

Stems = valve shanks = new vlaves, which would be fitted with new guides, and obviously new seals! No - not worth doing. But do pull the pistons and inspect the damage!
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