Lower Unit Gearcase – Fits Yamaha V4 115HP & 130HP 2-Stroke Outboards (Replaces 602-90-405-A20) 220HP 2L engines is determined by

2L engines is determined by serial number

Install the new impeller with the blades oriented in the same direction as the old one

Install the new idler pulley

Notes Yamaha 40X

or visible cracks and damage on the pulley itself

Lower Unit Gearcase – Fits Yamaha V4 115HP & 130HP 2-Stroke Outboards (Replaces 602-90-405-A20) 220HP 2L engines is determined byProduct Details This Lower Unit Gearcase Fits Yamaha V4 115HP & 130HP 2 Stroke Outboards is an aftermarket solution designed for Yamaha V4 115HP and 130HP 2 stroke engines requiring a 20" shaft, standard right hand rotation, and a 2: 1 gear ratio. It offers a reliable, direct fit replacement to get your outboard back in service. It directly cross references with SEI part number 602 90 405 A20. Engineered for direct bolt on installation. Finished in