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#1
D
daddy jim
why wont the valves stay adjusted on an 18.5 briggs
#2
I
ILENGINE
Combination of camshaft lobe wear, push rod tip wear, rocker pivot wear and other things that change due to heating and cooling of the engine.
#3
T
Tinkerer200
why wont the valves stay adjusted on an 18.5 briggs
Long term, as above. Short term, rocker arm loose in head casting. Adusting mechanism not properly locked.
Walt Conner
