SE421 Lower Unit Yamaha | Sterndrive Engineering 90-421 Damper Plates - Crusader EFI engines from 1996-up with

EFI engines from 1996-up with Thunderbolt ignition systems

Constructed of heavy-duty aircraft grade

Seastar Solutions Quick Connect II Helm converter

stud length accepts multiple cable terminals

Quickly and easily removes scum lines

SE421 Lower Unit Yamaha | Sterndrive Engineering 90-421 Damper Plates - Crusader EFI engines from 1996-up withSE421 Lower Unit Yamaha SEI 90 421 SE421 Lower Unit Yamaha by Sterndrive Engineering part# 90 421 (Replaces some Yamaha V6 2 & 4 Stroke) Replaces most Yamaha 76 Degree V6 The paint color is Black. You can paint it to match. Not designed for Yamaha F250 four stroke 250 HP motors Addition Information SE421 Lower Unit Yamaha Sterndrive Engineering 90 421 These replacement lower units, including all of the internal parts, are fully compatible and