Check valve seat (1) for proper valve seating. If valve seats properly,
a n even wear ring (2) will be seen as shown. If valve does not seat
p r o p e r l y , wear ring (2) will be broken in places as shown.
There are two valve seats (1) in crankcase breather
v a l v e housing (3), one on each side of housing.
D o step 1 again for valve seat on other side of crankcase breather valve
I f either valve seat (1) is bad, get a new crankcase breather valve
END OF TASK