2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 65Get this manual
ELECTRICAL CAUTION SYSTEM
CAUTION SYSTEM
Two caution systems alert the operator when an abnormality occurs: Over-revolution Caution Low Oil Pressure Caution
Caution Type Lamp Buzzer
Over-Revolution Caution System
The COl unit engages the over-revolution limiter above 6500 RPM If the operator decreases engine speed to less than approximately 6200 RPM within 10 seconds, the over-revolution caution control will be cancelled If the engine is operated at speed above 6500 RPM for more than 10 seconds, the engine speed will be automatically lowered to approximately 300 RPM by intermittent ignition During operation of the over-revolution caution control, the caution lamp is ONTo cancel the over-revolution caution controlclose the throttle to reduce engine speed below approximately 2500 RPM for more than one second