2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Manual, PN 5005483, Page 43Get this manual
INSTALLATION AND PREDELIVERY INITIAL RUNNING CHECKS
INITIAL RUNNING CHECKS
DO NOT run the outboard indoors or without adequate ventilationWhen running, the outboard emits potentially harmful fumes which, in sufficient concentrations can lead to unconsciousness, brain damage, or death
shut off the outboard to prevent damageFind and correct the cause before continuingVerify shift function by shifting into gear and observing that the boat moves and the movement is in the same direction as the shifterChange engine RPM oftenAvoid holding throttle setting longer than 15 minutes
First 10 minutes of operation outboard in gear at fast idle ONLYNext 50 minutes below 3500 RPM
Operate the
Operate outboard in gear