
RFX Pro Engine Distribution Plug Set – Manufacturer Part No. FXEP 40400 99H2
Designed for off-road motorcyclists, this RFX Pro oil cover plug effectively replaces fragile plastic parts. CNC machined from 7075-T6 aluminum, it ensures increased dimensional stability against heat and engine stresses. Lightweight and hollow, it maintains its shape under pressure and accepts OEM O-rings for reliable sealing.
Suitable for the Cross environment, this plug is aimed at riders looking for a robust and lightweight part for the distribution cover. Examples of declared compatibility: YAMAHA YZ 450 F (2026), YAMAHA WR 450 F (2026), YAMAHA YZ 450 FX (2024).
Installation Tips
A simple replacement to enhance the reliability of the distribution cover without compromising on weight or finish.