2001-2014 Honda BF/BFP8D, BF/BFP9.9D Outboards Shop Manual, Page 309Get this manual
BF80-BF9.90 Faulty Power Tilt Assembly
Quick Reference Chart
Pressure Check point Does not hold Lowe chamber Upper chamber Does not Does not Contracted Extended hydraulic pressure hydraulic pressure See page 2-6 tilt down tilt up low or drops low or drops side side Symptom Checkrepair method
CD Motor
Check the motor
(2) Manual valve Check the manual valve for tightening, damage or foreign materi alCheck the O-ring for damag e, replace if necessaryReplace the manual valve if necessaryFree piston, O-ring, backup ring Check the O-ring and backup ring for damage, replace if necessaryReplace the piston rod assemb ly if necessaryCheck the O-ringdust sea for damage, replace if necessa ry Check the oil level and add if necessary age, wear or foreign materialClean and reassemb le the spool valve properlyCheck the valve for damage, wear or foreign materialClean and reassemble the spool valve properlyDo not disassembl th spool valveThe upper relief valv is built in the spool valveCheck the check valve for damage, wear or foreign materialClean and reassemble th spool valve properlyReplace the gear pump assembly Check the valve for damagewear or foreign materialClean and reassemble the spool valve properly