2005-2007 Polaris Ranger 500 service manual, Page 64Get this manual
ENGINE Engine Fastener Torque Patterns
Tighten cylinder head, cylinder base, and crankcase fasteners in steps following the sequence outlined belowCylinder Head Cylinder Base Pattern mm 4
GENERAL ENGINE SERVICE
Piston Identification
The piston may have an identification mark or the piston may not have an identification mark for piston placementIf the piston has an identification mark, follow the directions for piston placement belowIf the piston does not have an identification mark, the direction for placement of the piston does not matterNote the directional and identification marks when viewing the pistons from the topThe letter "F", "g",4" or ":" must always be toward the flywheel side of the engineThe other numbers are used for identification as to diameter, length and designFour stroke engine rings have rectangular profileSee text for oil control ring upper rail installationUse the information below to identify pistons and ringsEngine Model NoOversize Available (mm) .25 .50 Piston Length 72 mm Standard Piston Identification C