Honda Outboards BF40A/BF50A Service Manual, Page 428Get this manual
BF40A-BF50A
fBLOW PRESSURE INSPECTION
After reassembling the power trimtilt assembly, perform the blow pressure inspectionInstall the power trimtilt assembly after the blow pressure inspection, Remove the power trimtilt assembly if it is mounted Before blow pressure inspection, perform the following:Connect each engine side wire and motor 2P connector so that the power trimtilt assembly can operate while it is isolated from the outboard motor- Extend the piston rod of the power trimtilt assembly fully after operating (moving up and down) the piston rod several times- Check ATF level in the power trimtilt assembly oil tankIt must be at the specified level (P13-28)- Perform the cylinder upper chamber side and lower chamber side blow pressure inspection using the special tools and commercially available pressure gauge- Use the pressure gauge which measures 40 MPa (400 kgfcm2, 5,600 psi) or above with PF 14 thread[1] For lower chamber side
GAUGE JOINT 070PJ-V150100