Suzuki Lower Unit SE521 – Replaces DF200/225/250TX/TXX 2004–Current – 25″ & 30″ Shaft
Original price was: $1,825.95.$1,695.00Current price is: $1,695.00.
Yamaha F250 Lower Units | V6 4-Stroke Bolt-In Carrier | 25″/30″ Shaft | 2007–2018 | New & Remanufactured | YA-G6-19 | 1-Year Warranty
Price range: $2,800.00 through $3,400.00
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Yamaha F250 V6 4-Stroke Lower Unit | Bolt-In Carrier | Fits 25″ & 30″ Shafts | 2005–2006 Models | New or Remanufactured | YA-G6-18 | 1-Year Warranty
Price range: $3,159.00 through $3,999.00
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Description
Restore your Yamaha F250 V6 4-Stroke outboard to full performance with this OEM-quality Lower Unit, built for 2005–2006 engines.
Available in both New and Remanufactured options, this lower unit is designed with a bolt-in carrier for quick installation and long-lasting durability. Whether you need a 25″ or 30″ shaft configuration, this model ensures seamless compatibility and factory-level performance.
Each unit is precision-assembled, pressure-tested, and inspected to meet or exceed Yamaha’s engineering standards — giving you the same reliability as a factory original. With a 1-year warranty, this is the dependable choice for boat owners and marine service professionals alike.
Specifications
| Specification | Details |
|---|---|
| Product Code | YA-G6-18 |
| Compatible Engine | Yamaha F250 V6 4-Stroke |
| Horsepower | 250HP |
| Years | 2005 – 2006 |
| Carrier Type | Bolt-In Carrier |
| Shaft Length | 25″ / 30″ |
| Condition | New or Remanufactured |
| Warranty | 1 Year |
What’s the Difference: New vs. Remanufactured?
New Lower Unit (NEW):
Factory-built with 100% brand-new components. It’s never been used and offers OEM-level performance, longevity, and reliability.
Remanufactured Lower Unit (REMAN):
Professionally rebuilt from original OEM cores. Every component is inspected, refurbished, or replaced as needed, then tested to meet or exceed factory specs. Delivers the same power and performance as new — at a lower cost.
Why Choose the Yamaha F250 V6 4-Stroke Lower Unit
- OEM-Fit Replacement: Designed specifically for 2005–2006 Yamaha F250 V6 4-Stroke engines.
- Versatile Shaft Options: Supports both 25″ and 30″ shaft configurations for broader compatibility.
- Reliable Construction: Built with premium materials to ensure long-term performance and smooth operation.
- Bolt-In Carrier Design: Simplifies installation while maintaining factory-level alignment and strength.
- New or Remanufactured Choices: Select a brand-new or professionally rebuilt unit based on your budget and needs.
- 1-Year Warranty: Every unit is backed by a full 1-year warranty for peace of mind and dependability.
Frequently Asked Questions – Yamaha F250 V6 4-Stroke Lower Unit (2005–2006)
1. What Yamaha engine models are compatible with this F250 V6 4-Stroke lower unit?
This lower unit is specifically designed for Yamaha F250 V6 4-Stroke outboards from 2005 to 2006. It supports both 25” and 30” shaft configurations and provides OEM-level fit and performance for these engines.
2. What makes the bolt-in carrier design beneficial for this Yamaha lower unit?
The bolt-in carrier design enhances the structural strength and alignment precision of the lower unit, resulting in improved durability and smoother gear operation. It also simplifies installation and removal compared to traditional designs.
3. How do new and remanufactured lower units differ for this model?
New lower units are fully built with 100% new OEM parts, ensuring maximum reliability and service life. Remanufactured units use genuine Yamaha cores that have been carefully rebuilt and tested to meet Yamaha’s factory specifications, offering an affordable alternative with OEM-equivalent performance. Both types come with a 1-year warranty.
4. What maintenance is recommended to keep this lower unit in optimal condition?
Regular maintenance includes changing the gear oil every 100 hours or yearly, inspecting and replacing seals as needed, and applying marine grease to moving parts. After using in saltwater, flushing with fresh water is critical to prevent corrosion and ensure longevity.
5. Is installation of this Yamaha F250 lower unit complicated?
Installation is straightforward and requires no modifications. The lower unit is a direct OEM fit, arriving fully assembled and pressure-tested, ready for bolt-on installation. Using the recommended Yamaha marine gear lube during installation is advised for optimal performance.
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 | 90 lbs |
|---|---|
| Dimensions | 23 × 13 × 31 in |
| Product Type |
New Lower Unit ,Re-manufactured Lower Unit |
| HP/Shaft/Years/Ratio |
F250 / 25'' Shaft / 2005-2006 ,F250 / 30'' Shaft (U) / 2005-2006 ,F250 Counter Rotation / 25'' Shaft / 2005-2006 ,F250 Counter Rotation / 30'' Shaft (U) / 2005-2006 |
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