Yamaha Replacement Lower Unit | 1.86 | 20" | 2 Stroke | 90-416-A20

SE416 Replacement Lower Unit for Yamaha® 90° V6 & Select Inline-4 4-Stroke

OEM-fit performance at a better value. The SE416 is a dependable, direct-fit gearcase engineered for most Yamaha 90° V6 2-Stroke models and select inline 4-cylinder 4-Stroke engines. It arrives fully assembled and ready to install, delivering smooth shifting, long-term durability, and reliable on-water performance.

Highlights

• Direct-fit replacement for most Yamaha 90° V6 2-Stroke outboards
• Also fits select inline 4-cylinder 4-Stroke Yamaha engines
• Complete gearcase assembly — water pump and all internal components pre-installed
• OEM-quality construction — precision-machined gears, shafts, and bearings for smooth operation
• Durable finish — painted black; can be refinished to match your Yamaha outboard
• Cost-effective — dependable replacement at a fraction of OEM pricing

Application

Direct replacement for Yamaha 90° V6 2-Stroke lower units and select inline-4 4-Stroke lower units covered by the SE416 series.

Before you order, please verify:

• Engine model and model year
• Shaft length
• Gear ratio
• Rotation (if applicable)

Need help confirming fitment? Contact us for quick application assistance.

Yamaha® is a registered trademark of Yamaha Motor Co., Ltd. Use of the name is for reference only and does not imply affiliation or endorsement.