2010 Polaris Sportsman 850 Service Manual, Page 146Get this manual
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ENGINE Piston Ring Installed Gap
= In mmPiston Ring Installed Gap Top: 0.014" 0.008" (0.36 0.20 mm) Second: 0.014" 0.008" (0.36 0.20 mm) Oil Control Rails: 0.0196" 0.010" (0.50 0.25 mm)
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