YS Engine YSF2084 Piston Pin Access Screw for Engine Overhaul  [YSF2084]

Overview of piston pin access screw

The YS Engine YSF2084 piston wrist pin access screw is a service spare intended to facilitate access to the piston wrist pin and to hold the pin in place during disassembly and reassembly operations. This component is a maintenance aid and is not intended to modify engine performance.

Use it to simplify wrist pin inspection, to keep the piston positioned during pin removal or refit, and to aid routine teardown work. Before installing, verify the YS Engine YSF2084 part reference against your engine's service parts listing to ensure correct fitment.

Practical tips: the screw is for temporary use during wrist pin maintenance only. Observe standard teardown practices, maintain a clean working area, and confirm alignment before final assembly to prevent damage to the piston, wrist pin, or connecting rod.