F350 5.3L V8
400 ECO PLUS REPOWER KIT
2010 to 2019

USD $2,299.00USD $4,799.00

Why purchase a Nizpro Marine 400 ECO Plus Performance Repower?

It's all about optimising performance.

The Nizpro Marine 400 ECO PLUS Performance Repower is a cost and time effective way of increasing the power of your engines to 400hp running on 87 MON Octane fuel (91 RON AUS Octane) and also with up to a 9.86% average fuel saving across the entire throttle range! More power and better range - Win! Win!  

A Nizpro Marine Performance Repower is about optimising the performance of your engine.

Use the DIY Repower Kit to easily flash your ECU!

Upgrading to the Nizpro Marine 400 ECO PLUS Performance Repower, your Yamaha V8 350hp OFFSHORE will make 400hp with a 6,600rpm rev limiter and have extra torque where you need it, all  running on minimum 87 MON US Octane/91 RON AUS Octane fuel!

Increased Power, Improved Economy & Reliability? It’s all true!

Testing: We have rigorously tested the Nizpro Marine V8 400 ECO PLUS Performance Repower on a standard Yamaha V8 350hp OFFSHORE engine utilizing the Nizpro Marine Endurance Test on our inhouse dyno cell. The engine passed with no adverse effects*.

That same engine has also been extensively water tested for 250+ hours to further validate the dyno results. These tests underpin the performance of the hundreds of engines currently in market using the Nizpro Marine 400 ECO PLUS Performance Repower & are undertaken to ensure complete confidence in the Nizpro Marine 425HO Performance Repower.

*Performance Caveat:

Engine must run on Minimum 87 MON USA grade Octane / 95-98 AUS grade Octane fuel & have adhered to recommended Yamaha service intervals. 

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

Suitable for Yamaha V8 OFFSHORE F350         2010 to 2019

 

*Performance Caveat:

Engine must run on Minimum 87 MON USA grade Octane / 95-98 AUS grade Octane fuel & have adhered to recommended Yamaha service intervals. 

STOCK YAMAHA V8 F350 OFFSHORE VS NIZPRO 400 ECO PLUS Performance Repower
• Power increase to 400 hp
20% Torque increase up to 405Ftlbs
• Nizpro Performance 6600rpm Rev Limiter
• Improved fuel economy – saving up to an avarage of 9.8% 

*Performance Caveat:

Engine must run on Minimum 87 MON USA grade Octane / 95-98 AUS grade Octane fuel & have adhered to recommended Yamaha service intervals. 

 

DIY Kit includes

  • ECU Flash Interface & USB Cable
  • OFFSHORE Flash Harness
  • 12V  Power Cable
  • AC Power supply
  • 2 x Nizpro 400 ECO PLUS Decals
  • 1 x Nizpro 400 ECO PLUS Performance Repower
  • Exclusive Nizpro Cap
  • Nizpro USB preloaded with Instructions

NIZPRO-Yamaha 5.3L V8 ECU Flashing Instructions

 

*Performance Caveat:

Engine must run on Minimum 87 MON USA grade Octane / 95-98 AUS grade Octane fuel & have adhered to recommended Yamaha service intervals.