Lower Unit Drain Plug Screw Kit – Fits Yamaha 40HP-300HP (Replaces 90340-08002, 90430-08020, 688-45341-10-00) 85hp Overall Diameter: 90 mm (3

Overall Diameter: 90 mm (3

Clean all metal parts thoroughly with a dedicated carburetor cleaner

It is crucial to match your engine model

and V8-380 models

Lower Unit Drain Plug Screw Kit – Fits Yamaha 40HP-300HP (Replaces 90340-08002, 90430-08020, 688-45341-10-00) 85hp Overall Diameter: 90 mm (3Product Details This Lower Unit Drain Plug Screw Kit is designed for Yamaha outboard engines ranging from 40HP to 300HP. It provides a complete straight screw plug assembly for lower unit oil maintenance, fitting most engines in this horsepower range. Always verify fitment by matching your original part number rather than relying solely on engine horsepower. This kit directly replaces Yamaha OEM part numbers 90340 08002, 90430 08020, and 688 45341 10