2000 Polaris Pro 785 Service Manual, Page 364Get this manual

2000 Polaris Pro 785 Service Manual, Page 364

ENGINECOOLING Connecting Rod Small End Inspection With pin and bearing centered in rod, twist ends back and forth in all
measurementSubtract this measurement from the minimum cylinder measurement recorded previouslyIf clearance exceeds the service
limit, measure new pistoncalculate clearanceIf clearance is excessive with new pistonthe cylinder is worn and must be replaced-
90 to Din Measure 12" up from Skirt Bottom Piston Ring Installed Gap Position ring 12" (1.3mm) from the top of the cylinder
using the piston to push it squarely into placeMeasure installed gap with feeler gauge at both the top and bottom of the
cylinderNOTE: difference in end gap indicates cylinder taperThe cyl inder should be measured for excessive taper and out
of round Replace rings it the installed end gap exceeds the service limitNOTE: Always check piston ring installed gap when
installing new rings andor cylinderKeystone style rings must be installed correctlyMake sure the marking on the ring faces