61/65/70/75 Series Horizontal Shaft Engines
94
7. Remove the muffler by following the steps
described in Chapter 8: Exhaust.
8. Remove the heat baffle. See Figure 9.3.
9. Remove the four screws securing the valve cover
using a 10mm wrench. See Figure 9.4.
10. Remove the rocker arms and push rods:
61/65/70 Series heads:
A. Loosen the jam nuts and fulcrum nuts that
secure the rocker arms using a 10mm wrench
and a 14mm wrench. See Figure 9.5.
B. Pivot the rocker arms aside, or remove them
completely, and remove the push rods.
NOTE: Once broken-in, the rocker arm should be
kept with its corresponding valve.
NOTE: The intake and exhaust push rods are iden-
tical and interchangeable. It is preferable,
but not absolutely necessary to return the
same push rods to their original locations on
engine with substantial (>
100 hours) operat-
ing time.
Figure 9.3
Heat baffle
Remove these screws
Figure 9.4
Remove valve cover
Figure 9.5
Jam nut
Fulcrum nut
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