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Yamaha Aftermarket Lower Unit – Replaces 75–100HP 2/4 Stroke – 2.0 & 2.3 Gear Ratios – 18 Spline – 20″ & 25″ Shafts – SEI 90-404
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New Yamaha 75–100HP 2/4-Stroke (1984–2017) Replacement Lower Unit – Aftermarket – Standard Rotation – Fits 20″ & 25″ Shafts – 2.0 & 2.3 Gear Ratios – 18 Spline – 3-Year Warranty

SKU: ST-90-404

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(26)
Original price was: $1,330.89.Current price is: $1,199.00.
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What Is a Lower Unit
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New Yamaha F200–F300 4-Stroke (2014–2021) Replacement Lower Unit – Aftermarket – Standard Rotation – Fits 30″ Shaft – 1.75 Gear Ratio – 3-Year Warranty

SKU: ST-90-423-B30F

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Original price was: $1,921.90.Current price is: $1,699.00.
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Yamaha Aftermarket Lower Unit – Replaces 115–130HP 4 Stroke – Fits 20″ & 25″ Shafts – SEI 90-405
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New Yamaha 115–130HP 2/4-Stroke (1984–2014) Replacement Lower Unit – Aftermarket – Standard Rotation – Fits 20″ & 25″ Shafts – 3-Year Warranty

SKU: ST-90-405

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(28)
Original price was: $1,330.89.Current price is: $1,199.00.
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Yamaha Aftermarket Lower Unit – Replaces 115–130HP 4 Stroke – Fits 20″ & 25″ Shafts – SEI 90-405
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New Yamaha 150–200HP 2/4-Stroke (1984–2024) Replacement Lower Unit – Aftermarket – Standard Rotation – Fits 20″ & 25″ Shafts – 3-Year Warranty

SKU: ST-90-416

In stock

(14)
Original price was: $1,330.89.Current price is: $1,199.00.
-10%
Yamaha Aftermarket Lower Unit – Replaces 115–130HP 4 Stroke – Fits 20″ & 25″ Shafts – SEI 90-405
Compare
Add to wishlist
Select options This product has multiple variants. The options may be chosen on the product page

New Yamaha 200–250HP V6 76° (1990–2019) Replacement Lower Unit – Aftermarket – Standard Rotation – Fits 20″, 25″ & 30″ Shafts – 3-Year Warranty

SKU: ST-90-421

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(8)
Original price was: $1,330.89.Current price is: $1,199.00.