1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 203Get this manual

1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 203

ENGINElCOOLING Disassembly InspectionPro 785 Connecting Rod Small End Inspection With pin and bearing centered in rod, twist
piston-to-cylinder clearance measurementSubtract this measurement from the minimum cylinder measurement recorded previouslyIf
clearance exceeds the service limit, measure new pistoncalculate clearanceIf clearance is excessive with new piston, the
cylinder is worn and must be replaced( 90 to pin Measure 12" up from Skirt Bottom Piston Ring Installed Gap Position ring
12" (1.3mm) from the top of the cylind er using the piston to push it squarely into placeMeasure installed gap with feeler
gauge at both the top and botto of the cylinderNOTE: difference in end gap indicates cylinder taperThe cylinder should be
measured for excessive taper and out of roundReplace rin gs it the installed nd gap ex- Keystone style rings must be installed
correctlyMake sure the marking on the ring faces up ceeds the service limitIII ::::I I: III ;;0 III III NOTE: Always check