New Yamaha F75–100 | F75/90A 4-Stroke (1999–2017) Replacement Lower Unit | Aftermarket | Fits 20″ & 25″ Shafts | New or Remanufactured | 1-Year Warranty
Original price was: $2,685.09.$2,299.00Current price is: $2,299.00.
Yamaha F150 | F175 | F200 4-Stroke Lower Unit (2004–2024) | 150–200HP | Fits 20″ & 25″ Shafts | New or Remanufactured | 1-Year Warranty
Price range: $2,799.00 through $3,099.00
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Yamaha F75B | F90B | F115B | VF115 4-Cyl 4-Stroke Lower Unit (2014–2023) | New or Remanufactured | Fits 20″ & 25″ Shafts | 1-Year Warranty
Price range: $2,499.00 through $2,699.00
Need help finding the right lower unit?
- Unsure about compatibility? Our team can verify the perfect fit for your Yamaha model.
- Call us at 888 868 7880 — we’re happy to guide you.
- Or fill out the form below in chatbox and we’ll respond quickly with the right match.
Description
Restore peak performance to your Yamaha outboard with this premium-quality replacement lower unit. Designed for 4-cylinder, 4-stroke Yamaha engines — including F75B, F90B, F115B, and VF115 models (2014–2023) — this lower unit ensures smooth operation, reliability, and long service life.
Available in both new and remanufactured options, it’s preassembled for quick installation with no modifications required. Choose between 20″ or 25″ shaft lengths to match your engine setup. Backed by a 1-year warranty, it’s a cost-effective and dependable alternative to OEM replacements.
Specifications
| Feature | Details |
|---|---|
| Product Name | Yamaha F75B/F90B/F115B/VF115 Lower Unit |
| Compatible Models | F75B, F90B, F115B, VF115 (4-Cyl, 4-Stroke) |
| Horsepower Range | 75HP to 115HP |
| Years Supported | 2014 – 2023 |
| Condition | New or Remanufactured |
| Shaft Length | 20″ / 25″ |
| Engine Type | 4-Cylinder 4-Stroke |
| Gearcase Type | OEM Style |
| Warranty | 1 Year |
| Part Code / SKU | YA-G4-03 |
| Included Items | Complete Lower Unit Assembly |
| Installation | Direct Fit – No Modifications Required |
| Usage | Freshwater & Saltwater Compatible |
Why Choose This Yamaha F75B–F115B Lower Unit?
Direct OEM replacement – no modifications required
Fits F75B, F90B, F115B, and VF115 outboards (2014–2023)
Available in both new and remanufactured conditions
Supports 20″ and 25″ shaft lengths for flexible compatibility
Backed by a 1-year warranty for reliability and peace of mind
Frequently Asked Questions – Yamaha F75B/F90B/F115B/VF115 Lower Unit
1. Which Yamaha outboard models are compatible with this replacement lower unit?
Compatible with Yamaha F75B, F90B, F115B, and VF115 4-cylinder 4-stroke outboards manufactured from 2014 through 2023. It supports both 20″ and 25″ shaft lengths with a direct fit replacement.
2. Can I choose between new and remanufactured lower unit assemblies?
Yes. Both brand-new and remanufactured lower unit options are available to match your budget and performance needs. Each is preassembled and rigorously tested for quality and reliability.
3. Will this lower unit perform well in different water environments?
The unit is designed for long-lasting durability in both freshwater and saltwater. It includes corrosion-resistant materials and finishes to maximize operational lifespan.
4. Is installation complicated, and are modifications needed?
Installation is simple with a direct bolt-on fit. No special tools or modifications are required, making it a convenient plug-and-play replacement.
5. What warranty comes with this Yamaha F75B/F90B/F115B/VF115 lower unit?
This product includes a 1-year limited warranty covering defects in materials and workmanship, offering peace of mind with your purchase.
Looking for other models or gear ratios?
Browse all Yamaha Lower Units here — find compatible options for 40HP, 60HP, 115HP, 150HP, and more Yamaha outboards.
Additional information
| Weight | 85 lbs |
|---|---|
| Dimensions | 23 × 13 × 26 in |
| New / Remanufactured |
New Lower Unit ,Re-manufactured Lower Unit |
| HP/Shaft/Years/Ratio |
F75B, F90B, F115B/L(20inch)/2014-2023/4-storke ,F75B, F90B, F115B/XL(25inch)/2014-2023/4-storke ,VF115/L(20inch)/2015-2023/4-storke |
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