Honda BF115A, BF130A Outboard Motors Shop Manual., Page 213Get this manual
HONDA BFI15AI30A
5) Remove the camshaft holder width of the the pressed part of the plastigauge using the scale printed on the bag of the plastigaugeMeasure the widest width on the plastigauge
[ PLASTIGAUGE-
STANDARD 0.0500.089 mm (0.0020 0.0035 in)
SERVICELIMIT 0.15 (0.006 in)
6) If the camshaft oil clearance exceeds the service limit, replace the camshaft
SCALE Measure the cam height of the new camshaftIf the oil clearance exceeds the service limit, replace the cylinder head or camshaft holders
CAMSHAFT AXIAL CLEARANCE
IPut the camshaft at the top dead center of the compression stroke of the No.1 piston (with groove toward up)Check the camshaft axial play by pushing and pulling the camshaft of the opposite side from the gauge