PIN 90250-07M02 REC90250-07M02

Function and technical context

The 90250-07M02 pin is a fastening and retaining component used in the mechanical systems of Yamaha engines. This pin acts as a securing element in transmission, coupling or joint mechanisms within the motor, preventing unwanted movements between parts under vibration and operating load. Its correct installation guarantees the alignment and structural stability of adjacent components, preventing clearances that could lead to loss of performance, abnormal vibrations or progressive damage to adjacent parts.

When to replace this part?

Pins can suffer wear from marine corrosion, fatigue from continued vibration, or excessive tensile deformation during high-load operations. It is recommended to inspect its condition during each seasonal maintenance check and replace preventively if it shows signs of advanced rust, physical deformation or if unusual play is detected in the securing mechanism. Making the change preventively avoids unexpected failures in navigation and costly emergency repairs to critical engine systems.

Equivalent manufacturer part numbers