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Old July 25th, 2018, 03:12 PM   #9
Mohawk
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Name: Chris
Location: Bristol, UK
Join Date: Feb 2016

Motorcycle(s): ZZR250, VFR800

Posts: 478
If there is a plug shaped hole in the piston, I’d check you have the right plugs installed, sounds like th3 thread it too long & the piston hit the plug !
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