New Aftermarket Yamaha Outboard Jet Drive Lower Unit 90-403 50-60HP 4-Stroke

New Aftermarket Yamaha Jet Drive Unit for 50-60HP 4-Stroke Outboards

Navigate Shallow Waters with Confidence

Purpose-built for shallow-water operation, this SEI aftermarket jet drive replaces your Yamaha propeller-driven lower unit with a powerful jet propulsion system. Perfect for river running, flats fishing, and navigating rocky shallows where propellers can't go.

Key Features:

• Jet Drive Propulsion – Impeller-driven system (no exposed propeller)
• Shallow Water Capability – Operate in water as shallow as 6-8 inches
• Stainless Steel Impeller Included – Corrosion-resistant, long-lasting performance
• 20" Drive Shaft – 16-tooth driveshaft for L-Model motors
• Complete Assembly – Ready to install, includes shift cable for tiller models

Fits:

• Yamaha 50HP 4-Stroke (2005-Present) – 20" shaft, 16-tooth driveshaft
• Yamaha 60HP 4-Stroke (2002-Present) – 20" shaft, 16-tooth driveshaft
• L-Model motors designed for 25" transom boats

What's Included:

• Complete jet drive assembly
• Stainless steel impeller
• Shift cable (for tiller models)
• Installation instructions

Important Notes:

• ✅ Tiller Models: Use included shift cable
• ⚠️ Remote Control Models: Require longer shift cable (not included) – must be installed at your remote control. Included cable is NOT used.
• ✅ Compatible with: Outboard Jets AJL-44 16T

Why Choose a Jet Drive?

• Operate in 6-8" of water depth
• No propeller to damage on rocks or debris
• Safer around swimmers and in crowded areas
• Ideal for river running, flats, and shallow bays
• Less maintenance than traditional lower units

Not Sure if This Fits Your Motor? Call us at 888-812-6287 with your engine model number. Our experts will confirm compatibility before you order.

3-Year Fault-Free Warranty Included