60
13. 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 pis-
ton pin and bearing together as a set.
CM151
14. Remove the intake flanges and reed valve assem-
blies.
FC030
15. Remove the three cap screws securing the thermostat
cap; then remove the cap, gasket, and thermostat.
FC032
16. Remove the six screws securing the water pump
cover to the crankcase and remove the cover.
Account for the O-ring gasket and the alignment
pins.
17. Remove the cap screw securing the water pump
impeller; then slide the impeller free of the shaft.
18. Remove either lower union cap screw securing the
lower check valve assembly; then remove the two
screws securing the oil-injection pump to the crank-
case. Remove the pump, retainer, and O-ring.
FC031
19. Turn the engine upside down on support blocks and
remove the coolant temperature sensor (if neces-
sary).
FC033
20. With its bottom side up on two support blocks,
remove the cap screws securing the crankcase
halves.
21. Separate the crankcase halves by installing two
crankcase cap screws in opposite corners leaving the
heads approximately 1/4 in. out. Using a plastic ham-
mer and lifting on the ends of the crankshaft, tap on
each cap screw head until the case halves separate.
Remove the cap screws.
CAUTION
DO NOT use any type of punch to drive the piston pin
free of the piston; damage may result. Use a piston pin
puller only.
CAUTION
Place rubber bands over the connecting rods and
around the cylinder studs to prevent the connecting
rods from damaging the crankcase.
CAUTION
DO NOT drive any tool between halves to separate the
crankcase. Damage to the sealing surfaces will result.
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