Honda Outboards BF40A/BF50A Service Manual, Page 429Get this manual
BF40A-SF50A 3) Push the "ON" side 01 the power trimtilt switch and compress the piston rod fully4) Push the "UP" side of the power trimtilt switch againWith the piston rod extended fully, measure the lower chamber blow pressure by reading the pressure
BLOW PRESSURE' (Lo:er side)
19323.0 (197 -235 kglcm' 2,8023,342 psi)
If the blow pressure is out of the specified range, each part 01 the power trimltilt assembly for oil leakage If there is no oil leakage but the blow pressure below the specified pressure quiCkly, the power trimtilt motor assembly can be faultyReplace the motor assembly with new one and measure the blow pressure again After measuring the lower chamber blow pressure, measure the upper chamber blow pressure
UPPER CHAMBER BLOW PRESSURE
1) Remove the special tool (gauge joint body B) that is
for measurement of the lower chamber blow pressure from the valve bodyInstall the special tool (gauge