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2-166 CM150 14. Lift the pistons clear of the connecting rods and remove the small-end connecting-rod bearings (account for two washers); then remove the piston rings. Keep each piston with its rings; keep each piston pin and bearing together as a set. CM151 NOTE: Place a suitable length of rubber hose 15. Remove the cap screws securing intake flanges and reed valve assemblies to the crankcase. CM152 16. Remove the lower union cap screw securing the lower check valve assembly to the crankcase; then remove the two screws securing the oil-injection pump to the crankcase. Remove the pump, retainer, and O-ring and account for the two washer gaskets from the lower union. CM153A CM154A 17. Remove the four cap screws securing the thermo- stat cap; then remove the cap, gasket, and thermo- stat. CM155A NOTE: For assembling purposes, note that the ! CAUTION DO NOT use any type of punch to drive the piston |