2006 Arctic Cat ATVs 400/400TBX/400TRV/500/500TBX/500TRV/650H1/650 V-Twin Service Manual, Page 53Get this manual
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CYLINDER, PISTON, AND RINGS
(max) (1st) (2nd) (oil)
Bore Stroke Piston Ring to Groove Clearance Piston Ring Groove Width (1st) (2nd) (1st) (2nd) Piston Ring Thickness (1st) (2nd)