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Strange Discoveries when changing the piston - couple questions
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[QUOTE="robwbright, post: 1299389, member: 60515"] I don't know much, Pete - but I doubt that's it. In looking at it closer, the indentation is pretty deep (1mm maybe). It appears to have been cut in there with a grinder - the ports have that same appearance all the way around - and the grinds are angled in towards the opening. As I said, I don't know much about this stuff, but it looks unlikely to me that the ring could cut that far in in only one spot and only 1mm in length on the port. On top of that, I would be highly disappointed in the plating job if it's worn out after about 10 races and (relatively) not that much play riding/practice. My races are on a track with 1:03 lap times and only 4 or 5 lap heats and mains - and I'm no expert, so I'm not killing the motor. But maybe I'm wrong. As I said I don't recall what the ports looked like when I got them back from Eric and when I changed the ring the last time. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Strange Discoveries when changing the piston - couple questions
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