1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 211Get this manual
ENGINECOOLING AssemblyPro 785 8Apply engine oil to connecting rod small end bearing, piston pin bore, and piston pin
gInstall pistons with arrow on piston crown toward flywheel (Mag) side of crankcase
Lubricate Ring locating pins
face intake side
clip retainers open end should be straight up or
strai97own
NOTE: Alternate piston orientation marks: Piston ring locating pins always face the intake side of the engine11