When overhauling the engine, replacing as many of the wear items as possible will simplify the building process and subsequent adjustments required to set up the engine correctly. This is one of a number of components you may require, more are listed below.
Add as many components as you wish to the same shopping cart, new piston pins 4WM1163300 & retention circlips 9345024028 for example, and still only pay the same single fixed price shipping cost.
This component may have other applications and uses within the Yamaha model range.