Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 20Get this manual
1 Enginespeed does not increaset SE valve not returned properly y [ (SE valve type)Faulty SE thermal valve (SE therma1valveReadjust: P6-7
Clean or replace: P3-13 and 3-14 Replace with the correct propeller
Clean and adjust or replace: P3-6
Replace: P3-1I
+ no good, overhaul the carburetor: P65Valve timing incorrectReinstall the timing belt: P9-10