YAMAHA THROTTLE ROD 688-41217-00

Function and technical context

The throttle rod is the mechanical component that transmits the movement of the manual or electric throttle from the control lever to the carburetor butterfly or injector of the outboard motor. In Yamaha engines, this rod is part of the fuel and air flow regulation system, allowing the operator to modulate the power and revolutions of the engine. Its correct operation is essential to achieve a fluid and proportional response in acceleration, avoiding sudden jerks, choking or loss of control in critical maneuvers.

When to replace this part?

Symptoms of deterioration include slow or irregular acceleration, difficulty maintaining stable revs, or excessive play in the control lever that does not respond to movements. It is recommended to check the condition of the rod and its joints during each seasonal maintenance, especially after periods of prolonged storage, since salt corrosion can weaken the hold. Replacing this part preventively guarantees precision in engine control and avoids costly repairs resulting from imbalances in the power system.

Equivalent manufacturer part numbers