F350 4.3L V6 376 ECO
TRIPLE ENGINE DIY KIT
2024 to Current

USD $3,797.00

Go further, faster, with Nizpro, all day, every day...

Optimize Speed. Maximize Power. Extend Your Range. Achieve Peak Efficiency.

Unleash the potential of your Yamaha F350 OFFSHORE 4.3L with the Nizpro Marine 376 ECO Repower.

Designed specifically to safely use 87 AKI US gas or 91 RON AUS, this repower will significantly extend your range with incredible fuel savings!

Delivering a horsepower boost while reducing fuel consumption gives you the performance you need offshore.

Purpose-built for the Yamaha F350 OFFSHORE 4.3L, the Nizpro Marine 376 ECO Repower is the perfect enhancement that will transform your engines capabilities.

Whether you're cruising open waters or pushing through challenging conditions, this upgrade delivers the perfect balance of power, fuel efficiency, extended range, and reliability.

Unlock the True Potential of Your Yamaha V6 F350s

Introducing the Nizpro Marine 376 ECO DIY Kit โ€“ Performance at Your Fingertips

Looking to get more out of your Yamaha F350 4.3L V6 Offshore?

A Nizpro 376 ECO Repower is all about optimizing engine performance without sacrificing reliability.

And with the 376 ECO DIY Kit, you can easily flash your ECUs and upgrade your outboards in just a few simple steps.

What You Get with the 376 ECO Repower:

  • Increased Power โ€“ Boost your F350 to a powerful 376hp

  • Exclusive Nizpro 6300 rpm Soft Rev Limiter

  • More Torque When You Need It Most โ€“ Confident performance in demanding conditions

  • Improved Fuel Efficiency and Maximised Range

  • Proven Yamaha & Nizpro Reliability

Built on Testing, Proven in the Real World

This isnโ€™t just theory. We’ve rigorously tested the 376 ECO Repower on a standard Yamaha F350 4.3L V6 Offshore engine through our in-house Nizpro Marine Endurance Test, including:

  • Extended dyno cell testing

  • Over 200+ hours of real-world water testing

These tests validate the performance gains experienced by thousands of engines in the market today โ€“ giving you complete confidence in every Nizpro Marine upgrade.

๐Ÿ’ก Note: To achieve optimal performance, the engine must use Minimum of 87 AKI (US) / 91 RON (AUS) octane fuel and be maintained according to Yamahaโ€™s recommended service intervals.

Please note that all NIZPRO ECU Flashing Software is ONLY compatible with Windows Computers.

Suitable for Yamaha OFFSHORE F350 4.3L V6ย  ย  ย  ย  2024ย  to Current

*Performance Caveat:

Engine must use Minimum 87 AKI US gas /91 RON AUS Octane fuelย & must have adhered to recommended Yamaha service intervals.ย 

 

 

 

 

 

 

 

STOCK YAMAHA F350 4.3L V6 OFFSHORE VS NIZPRO 376 ECO Repower

โ€ข Power to 376 hp – Increase 6.95%ย 
โ€ข Torque to 359 FtlbsIncrease 5.5%ย 
โ€ข Exclusive Nizpro 6300 rpm Soft rev limiter
โ€ข Improved fuel economy โ€“ย up to an average 12-13%ย saving over Yamaha stock

*Performance Caveat:

Engine must use Minimum 87 AKI US gas /91 RON AUS Octane fuel & must have adhered to recommended Yamaha service intervals.ย 

DIY Kit includes

  • ECU Flash Interface & USB Cable
  • AC Flash Power Supply โ€“ Region Specific
  • 12V DC Power Cable
  • Offshore F350 4.3L V6 Flash Harness
  • 2 x Nizpro Enhanced Decals per engine
  • 1 x Nizpro 376 FSR Licence per engine
  • Nizpro Cap
  • Nizpro USB preloaded with Instructions

 

NIZPRO – Yamaha 4.3L V6 F350 OFFSHORE ECU Flashing Instructions

 

*Performance Caveat:

Engine must use Minimum 87 AKI US gas /91 RON AUS Octane fuel & must have adhered to recommended Yamaha service intervals.ย