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Cub Cadet MTD P90 Series User Manual

Page 99

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Crankshaft, piston and connecting rod

93

15.

Match mark the connecting rod and cap.

16.

Remove the connecting rod cap using a 10mm
wrench. See Figure 10.5.

NOTE: Rotating the crank shaft after the connecting rod

bolts are removed will help to separate the con-
necting rod from the cap.

17.

Push the piston out of the cylinder.

NOTE: Sometimes a ridge of carbon builds up where the

cylinder meets the head. If this happens, the piston
can be removed from inside of the cylinder block.

18.

Remove one of the piston pin retaining rings.
See Figure 10.6.

19.

Remove the piston pin.

20.

Remove the piston rings from the piston using a pair
of piston ring pliers. See Figure 10.7.

NOTE: The piston, rings and connecting rod are currently

not available as service parts. If they are damaged
or worn, the engine must be short blocked.

21.

Remove the crankshaft.

NOTE: The crankshaft bearings are pressed onto the

crankshaft and will come out with it.

Figure 10.5

Remove the connecting rod bolts

Figure 10.6

piston pin retainers

Remove one of the

Figure 10.7

Piston ring pliers