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Author Topic: Blown piston - best way forward  (Read 2244 times)

Offline Andrewd2667

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Blown piston - best way forward
« on: January 22, 2017, 11:09:18 PM »
The no 3 piston has blown with what looks like piston ring split and damage, along with excessive carbon.

How much damage to barrel - before you have to re-bore?

looking at all the pistons is it a case of replacement for all?
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Offline kevski

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Re: Blown piston - best way forward
« Reply #1 on: January 23, 2017, 07:59:46 AM »
Any bore damage will require a re-bore, there is no other fix!
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Online Bryanj

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Re: Blown piston - best way forward
« Reply #2 on: January 23, 2017, 05:29:39 PM »
Used to be common on 175/250 twins if pushed hard from cold
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