Yamaha Z300 Lower Units | V6 3.3L HPDI Bolt-In Carrier | 25″/30″ Shaft | 2004–2007 | New & Remanufactured | YA-G6-21 | 1-Year Warranty
- $3,899.00
$4,481.07- $3,899.00
- (-13%)
- Unit price
- per
MPN : YA-G6-21
SKU:
YA-G6-21-R
Availability:
In stock
Product type:
Lower Unit
Please hurry! Only 100 left in stock
Subtotal:
$3,899.00
Couldn't load pickup availability
Description
xUpgrade your Yamaha Z300 V6 3.3L HPDI outboard with this precision-engineered lower unit. Designed for 2004–2007 models, this bolt-in carrier lower unit fits both 25″ and 30″ shafts, offering smooth, reliable performance for high-powered applications. Choose between new or remanufactured units — both built to OEM standards for quality and durability. Every unit is backed by a 1-year warranty, ensuring long-term peace of mind on the water.
Specifications
| Specification | Details |
|---|---|
| Model | Yamaha Z300 V6 3.3L HPDI |
| Years | 2004–2007 |
| Horsepower | 300HP |
| Shaft Length | 25″ / 30″ |
| Carrier Style | Bolt-In Carrier |
| Condition | New or Remanufactured |
| Part Code | YA-G6-21 |
| Warranty | 1 Year |
Why Choose the Yamaha Z300 Lower Unit (2004–2007)
- OEM Fit & Finish: Designed to fit Yamaha Z300 V6 3.3L HPDI outboards perfectly.
- Bolt-In Carrier Strength: Provides solid alignment and increased durability.
- Flexible Options: Available in both 25″ and 30″ shaft configurations.
- Quality Assured: Offered in New or Remanufactured versions built to OEM specs.
- Guaranteed Performance: Covered by a 1-year warranty for complete confidence.
Frequently Asked Questions – Yamaha Z300 V6 3.3L HPDI Lower Unit (2004–2007)
1. Which Yamaha outboard models are compatible with this Z300 lower unit?
This lower unit fits Yamaha Z300 V6 3.3L HPDI outboards produced between 2004 and 2007. It is compatible with both 25” and 30” shaft configurations and features a bolt-in carrier design for direct OEM fit and strong alignment.
2. What are the benefits of the bolt-in carrier design in this Yamaha lower unit?
The bolt-in carrier design provides increased structural strength and precise gear alignment, which result in smooth operation and enhanced durability. This design also eases installation and maintenance for quick serviceability.
3. What is the difference between new and remanufactured Yamaha Z300 lower units?
New lower units are factory-built with 100% new OEM parts ensuring maximum lifespan and reliability. Remanufactured units are expertly rebuilt from original Yamaha cores, tested, and reconditioned to meet or exceed OEM specifications, offering a cost-effective alternative. Both come with a 1-year warranty.
4. How should I care for the Yamaha Z300 lower unit to maintain its performance?
Routine maintenance includes changing gear oil every 100 hours or annually, inspecting seals and bearings for wear, and applying marine grease to essential parts. Flushing with fresh water after saltwater use is critical to prevent corrosion and extend service life.
5. Is installation of the Yamaha Z300 lower unit straightforward?
Yes, this lower unit is designed for direct OEM fit, arriving fully assembled and tested. Installation requires no modifications, and it is recommended to use Yamaha marine-grade gear oil during installation 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.
Related Products
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Recently Viewed Products
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
Example product title
- From $3,399.00
$3,881.67- From $3,399.00
- (-13%)
- Unit price
- per
- Choosing a selection results in a full page refresh.