2004 SR Johnson 2 Stroke 9.9, 15, 25, 30 HP Outboards Service Manual, Page 116Get this manual
IGNITION COMPONENTS
2530 MODELS The power pack used on these models has: RPM limiting circuit to protect the engine from damage due to overrevingMaximum RPM is limited to 6100 S.L.OWTM warning system which limits engine speed to approximately 2000 RPM if engine temperature exceeds 180F (82C)Once the S.L.oWwarning system has activated, the engine must cool to 155F (68C) and the outboard must be slowed to an idle before normal operation can be resumed
When the clip and lanyard assembly is removedthe emergency stop device is in the STOP positionWhen the clip and lanyard assembly is installed, the emergency stop device is in the RUN positionTo stop the engine when the clip and lanyard assembly is in place, press the stop button inward until the engine stops
Key Switch
A combination key switch and emergency stop switch is connected to the power pack through the engine wiring harness (remote electric models)When activated, this switch directs power pack output to ground, stopping the ignition system