1985-1995 Polaris ATV and Light Utility Hauler Service Manual, Page 263Get this manual
ENGINES Cylinder Hone SelectionHoning Procedure Selecting hone which will straighten as well as remove material from the cylinder is very importantUsing common spring loaded finger type glaze breaker for honing is never advisedPolaris recommends using rigid type hone which also has the capability of oversizingTwo manufacturers of this type of hone are Sunnen Products Company of StLouis, Missouri and Ammco Tools, Inc of North Chicago, IllinoisThe photo at right shows the Ammco No3950 honeRoughing and finishing stone sets are available to service the large 75mm bore enginesCylinders may be wet or dry honed depending upon the hone manufacturer's recommendationsWet honing removes more material faster and leaves more distinct pattern in the bore
A finished cylinder should have cross-hatch pattern to aid in the retention of the fueloil mixture in the initial break in1Wash cylinder with solvent2Using vise, clamp cylinder around the exhaust port studsNOTE: Protect from vise jaw serrations with brass stock, wood or cardboard3Place hone in cylinderTighten stone adjusting knob until the stone contacts the cylinder wallsCAUTION: Do not overtightenCylinder damage may result