Honda Outboards BF40A/BF50A Service Manual, Page 109Get this manual
HONDA BF35A45A
CAM HEIGHT
Measure the cam heightSTANDARD IN SERVICE LIMIT
34.928-35.248 mm (1.3751-1.3877 in) 34.973-35.293 mm (1.3769-1.3895 in)
34.708 mm (1.3665 in) 34.753 mm (1.3682 in)
Replace the camshaft if the cam height is lower than the service limit
CAMSHAFT JOURNAL 0.0Measure the camshaft 0.0STANDARD SERVICE LIMIT
22.959-22.980 mm (0.9039-0.9047 in)
22.93 mm (0.903 in)