Honda BF115A, BF130A Outboard Motors Shop Manual., Page 211Get this manual
HONDA BF1I5Aa13OA
VALVE SEAT WIDTH
Measure the valve seat widthSTANDARD
SERVICE LIMIT 2.0 (0.08 in)
[I] VALVE SEAT TOO LOW
1.251.55 (0.0490.061 in)
If the valve seat width is under the standard, or over the service limit, or if the valve seat is too highflow, recondition the valve seat (I? 9-23),
VALVE INSTALLATION HEIGHT
Replace the cylinder head if the measurement exceeds the service limit (I? 9-9146.7547.55 (1.8411.872 in) 46.68 47.48 (1-8381.869 in)
t21 VALVE SEAT TOO HIGH
47.80 (1.882 in) 47.73 (1.879 in)
ROCKER ARM SHAFr O.DMeasure the O.Dof the rocker arm shaft
STANDARD IN 19.97219.993 rnm (0.78630.7871 in)