Honda BF35A-BF45A Outboard Motors Shop Manual., Page 435Get this manual
1) Draw the center line on the boat transom 3) Calculate the outboard motor installation heightOutboard motor installation height must be in the range between 50 mmDetermine the outboard motor installation height by subtracting the boat transom height from the outboard motor transom length
NOTE: The boat is symmetrical with respect to the keelIf the boat has no keel, measure the transom width and draw the center line-
BF40AIBF50A TRANSOM LENGTH: type: 521 mm (20.5 in) type: 416 mrn (16.4 in) type: 622 mm (24.5 in) type: 556 mm (21.9 in)
BOAT TRANSOM
0 AUXILIARY
EXHAUST PORT
KEEL CENTER LINE
BOAT TRANSOM HEIGHT
OUTBOARD MOTOR TRANSOM LENGTH
2) Measure the transom height of the boat
ANTICAVITATION PLATE