Cub Cadet MTD P71 Series User Manual

Page 99

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background image

Crankshaft, piston and connecting rod

93

NOTE: The top ring is symmetrical and the middle ring has

a tapered profile. The larger radius of the middle
ring should face the crankshaft. See Figure 10.14.

NOTE: The piston ring end gaps need to be staggered 90

o

apart. See Figure 10.15.

7.

Measure the distance between the ring and the ring
land using a feeler gauge and compare the measure-
ment to the chart at the end of this chapter.
See Figure 10.16.

Top ring

Middle ring

3 piece oil ring

Figure 10.14

Figure 10.15

Oil ring

Middle
ring

Top ring

Piston ring end
gap stagger

Figure 10.16

Feeler gauge

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