2007-2009 Yamaha F15/F20 Outboard Service Manual, Page 22Get this manual
GEN INFO
General information 21 hour at 3,000 rmin or 34 throttle and minute out of every 10 at full throttle38 hours with the engine at any speedHowever, avoid operating at full throttle for more than minutes at time
2Check for water flow at the cooling water pilot hole
S6AG1230
S69J1240
NOTE: Make sure that the cooling water hoses are securely connected and that the flushing hose joint adapter is not loose or damaged
After test run
1Check for water in the gear oil2Check for fuel leakage in the cowling