Honda Outboards BF40A/BF50A Service Manual, Page 64Get this manual
HONDA BF3!5A45A
3) Then turn the crankshaft counterclockwise by teeth of the pulse rotorNOTE The timing belt tensioner is autopmatically adjustedDo not push the tensioner against the belt by hand
[1] PULSER ROTOR
4) Tighten the lOx 38 mm flange bolt to the specified torque
TORQUE: 45 Nm 14.5 kg-m32.5 ft-lbJ
After adjustment, install the following parts Exciter coil, charging coilflywheel (page 6-2) Engine hangertiming belt tensioner cap (page 6-3) Flywheel cover (page 6-2) Engine cover (page 4-2)