2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 14Get this manual
GENERAL INFORMATION 1-9 Technical Information-Kawasaki Smart Steering System (Carburetor Type)
Kawasaki Smart Steering system provides thrust (approx2 800 rpm-in water) when the these three conditions are metCondition 1: Condition 2: Throttle is release-The throttle opening angle of throttle sensor at idleThe handlebar is fully turned in either direction-The steering position sensor switches ONThe average engine speed for period of time before the system operates is 000 rpm or more-The igniter calculates the average engine speed based on the data sent from the crankshaft sensor
Condition 3:
The IC igniter will send digital signals for the most adequate actions to the Kawasaki Smart Steering actuator if three conditions mentioned above are completedThe Smart Steering cable [A] will be pulled if the actuator [B] with built-in servo motor [C] receives signalsEngine speed will be increased (up to approximately 800 rpm) by opening the throttle valvesThis will provide enough thrusts to allow your personal watercraft to turnCarburetor [D] Pulley [E]