1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 148Get this manual

1996 Johnson Evinrude "ED" 60 LV 90, 115, 150, 150C, 175 Service Manual, P/N 507127, Page 148

151 7Measure each cylinder in at least two areas as shownEach The cylinder must not be out-of-round by more than 0.004 in(0,10
piston diameter 1f4 in (6,4 mm) above the bottom edge ofthe piston skirt The difference between the two piston measurements
must not exceed 0.003 in(0,08 mm)I,l 11For the new ring sets, make the following inspectionsLZ.J Place each ring, separately,
in its respective boreUse piston to square the ring in the cylinderUse feeler gauge to measure the ring end gap The ring
end gap must be within 0.011-0.023 in(0,280,58 mm) 101 12Use machinist's straightedge to check clearance on the L!J tapered
ringsInstall one tapered ring in the piston's upper ring grooveWhen 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 Remove upper ring from pistonInstall