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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Bottom end rebuild? (pic heavy)
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[QUOTE="Joburble, post: 1391007, member: 108776"] That cylinder looks munted (stuffed, ruined). Even if you get it bored, sleeved, plated or whatever, it looks like some monkey has been chewing on the ports with a dremmel. Nothing like sharpening those port edges up eh! Sharpening port edges (in my understanding) means the guy who did it doesn't know what he is doing. Subsonic air flows better over a rounded surface not a sharp edge, all air flow through the ports is subsonic. Someone who is a retired aerospace engineer (Mudpack) may have to correct me on this one, but that is my understanding. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Bottom end rebuild? (pic heavy)
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