Lawn-Boy M Series Service Manual page 91

Install piston rings. Fiat sided ring in bot-
tom groove. Semi keystone ring in top groove.
Taper side up as shown.
Holding crankshaft assembly vertically
slide governor assembly on crankshaft power
take off end. Push onto large diameter of the
shaft. Place governor balls into ramps and slide
alignment pin into the hole of crankpin.
Slide
two
(2) ball bearings onto crank-
shaft. Tight up against shoulder of crankshaft.
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