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Tech Tip "Cylinder prep before instalation"
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[QUOTE="Pete Payne, post: 310185, member: 20445"] Wanrep, I would use the slightly smaller hone if the cylinder has original factory plating, If aftermarket nicasil go for the larger one. The aftermarket nacasil applied in the USA ia way tougher. Muscle, A fairly good mechanic should be able to handle the ball honing that is needed to rough up the bore to properly seat new rings. The process involves an electric or air drill and a ball hone of proper size. Youy should apply some honing oil to the bore then insert the hone attatched to the drill and hone for 10 seconds and check your work until you get familiar with the process. A proper cross hatch is at 22 - 32 degrees to the bore . A cross hatch that is too flat (zero degrees ) will wear the rings fast. And one that is to steep (65 degrees ) will not allow the rings to seat in properly and on 4- strokes will promote oil consumption . Spanky250, You only need a light coat of oil on the cylinder wall. Ring seating is directly related to the finish of the cross hatch on the cylinder wall. Hope this helps ----Pete. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Tech Tip "Cylinder prep before instalation"
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