1999 arctic cat zl440 snowmobile service repair manual

Page 52

22. Using Piston Pin Puller (p/n 0644-328), remove the piston pin from each piston. Remove the piston, piston pin bearing, and the two shim washers. Keep each piston, piston pin, and bearing together as a set.

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$4

26. Remove the six cap screws securing the intake flanges and reed valve assembly to the crankcase. $4

23. Before lifting the cylinder base gasket from the crankcase, note how it is installed. The smaller of the three water passage holes must be positioned to the MAG-side of the crankcase when installing. Lift the gasket free of the crankcase.

27. Remove the intake flange and reed valve assembly. Be very careful not to damage the reed valve stops. Place the assembly on its flat side. Remove and discard the reed valve assembly gasket. )LJ

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$1

28. Using an impact driver, remove the four screws securing the PTO-end plate to the end of the crankcase; then slide the plate free of the crankshaft. $4

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24. Remove the two screws securing the oil-injection pump to the crankcase. Slide the pump free of the crankcase. Account for the O-ring located around the pump inner flange. 25. Remove the pump retainer and shaft. Account for the shaft thrust washer.

$4

29. Remove the twenty cap screws securing the two crankcase halves together.


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