1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 150Get this manual

1995 Johnson Evinrude "EO" 9.9 thru 30, 2-Cylinder Service Manual, P/N 503146, Page 150

1221 9Measure the piston in two locations, 90 apart from each other, Vs in(3 mm) above the bottom of the piston skirt 10The
each square ring on its pistonWith the ring seated in its groove, make several checks around the piston The clearance 1251
13Use machinist's straightedge to check clearance on the upper tapered ringsInstall each ring on its pistonWhen checked with
the straightedge, there should be enough ring clearance to allow the straightedge to touch the piston on both sides of the
ring grooveMake several checks around the piston If straightedge does not touch piston, remove the ring and clean ring groove