2000 Polaris Indy 500 / 600 snowmobile service manual, Page 92Get this manual
ENGINES 500 Domestic Case Reed Twin Disassembly, Cont4Remove cylinder base nutsNote location of acorn nuts on exhaust side (where applicable)5Carefully remove cylinders while supporting pistons and connecting rods to prevent piston damageRefer to General Inspection Procedures in this chapter6Remove outer piston pin C-clips using scribe through access slot in piston