Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke

Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke

$1,195.00
$1,799.00
$1,195.00
(-34%)
SKU: SE90-403
Please hurry! Only 200 left in stock
Subtotal: $1,195.00
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke

Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke

$1,799.00 $1,195.00
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke
Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke

Yamaha Outboard Jet Drive Conversion Kit | 90-403 | 50-60HP 4-Stroke

$1,799.00 $1,195.00

    Stop letting shallow water limit your reach. This Premium Aftermarket Replacement jet drive allows you to navigate technical terrain with ease, operating in as little as 6-8 inches of water. Designed to replace your standard propeller lower unit, this system utilizes a high-performance Stainless Steel Impeller to provide maximum thrust without the risk of prop damage.

    • River Running: Power through rocky rapids and debris-heavy channels.

    • Flats Fishing: Access the skinniest water where trophy fish hide.

    • Enhanced Safety: No exposed blades make it ideal for crowded areas or swimmer proximity.

    • Brand: SEI
    • Part Number: 90-403
    • Cross-Reference/OEM: Outboard Jets AJL-44 16T
    • Engine Compatibility: Yamaha 50-60HP 4-Stroke
    • Year Range: 2002–Present (Varies by HP)
    • Driveshaft: 20" L-Model, 16-Tooth
    • Impeller Material: Heavy-Duty Stainless Steel
    • Inclusions: Jet Pump Assembly, Stainless Steel Impeller, Tiller Shift Cable, Instructions.
    • Yamaha 50HP 4-Stroke: (2005–Present)
    • Yamaha 60HP 4-Stroke: (2002–Present)
    • Required Specs: L-Model motors (20" Shaft) with a 16-Tooth driveshaft.
    • Transom Note: Designed for L-Model motors on 25" transom boats.
    • Shaft & Spline: You must confirm a 20" Shaft Length and 16-Tooth Count before ordering; incorrect fitment is the leading cause of returns.
    • Remote Control Models: These units require a longer shift cable (not included) that must be installed at your remote control. The included cable is for Tiller models only.

    Mariners Warehouse vs Others

    Built to match OEM standards while delivering reliable performance and peace of mind.

    Features

    Mariners Warehouse

    Others
    Performance ✔️ ❌
    Warranty Support Reliable warranty Limited or unclear warranty terms
    Customer Trust Trusted by thousands of marine customers Unverified buyer trust
    Pre-tested before shipping for reliability ✔️ ❌
    OEM performance standards ✔️ ❌
    Simple return process ✔️ ❌

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