Thread: New EC 250 98 owner
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Old 07-31-2019, 05:51 AM
Pygmygod Pygmygod is offline
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Join Date: Jun 2019
Location: Victoria - AUS
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Wow, that looks rooted!

Does pinging/pre-detonation cause those chunks taken out of the top of the piston?

Or a bit of broken metal or debris in the combustion chamber?
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