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Valve Adjustment
Remove cylinder cover, rocker arm cover, and set piston at TDC-compression. 1.
Loosen adjuster locknut so that the 2.
2.5 mm Allen socket head adjustment screw can turn freely.
Insert feeler gauge .004 (0.10 mm) for both intake and exhaust; between valve 3.
stem tip and rocker arm.
Turn adjustment screw (clockwise = tighter, counter-clockwise = looser) until 4.
feeler gauge is almost snug. Back off just enough to allow gauge to slip out with
limited resistance.
While holding adjustment screw in place with Allen driver, tighten locknut with wrench. 5.
Turn engine over several times, and return to TDC-compression. Recheck with proper 6.
feeler gauge to make sure clearance adjustment did not change as a result of tighten-
ing locknut. Readjust as necessary.
Replace rocker arm cover gasket to assure proper sealing and install cover. 7.
IMPORTANT!
If new gasket is not available and/or old gasket is not damaged, old gasket may
be reused. Never use cracked or damaged gaskets!
Figure 24
Figure 25
Figure 23