* Performance Notice: Engine must run on Minimum 89–90 USA grade Octane fuel & have adhered to recommended Yamaha service intervals. These tests underpin the performance of the hundreds of engines currently in market using the Nizpro Marine 332HO ECU Flash & are undertaken to ensure complete confidence in the Nizpro Marine 332HO ECU Flash. The engine has also been extensively water tested for 250+ hours to further validate the dyno results. The engine passed with no adverse effects*. Testing: We have rigorously tested the Nizpro Marine 332HO ECU Flash on standard Yamaha 200hp SHO engines utilizing the Nizpro Marine Endurance Test on our in house dyno cell.

It’s not about turning your boat into a rocket ship – that’s what we made Nizpro 450s Superchargers for! Cruise at your normal speed with lower revs and less engine noise with improved overall fuel economy that has an average increase of 3 - 8%Īn ECU Flash is about optimizing the performance of your engine. The Nizpro ECU Flash for 200, 225, 250 and 300 horsepower SHO's is a cost effective, simple way of turning your engine into a 332hp monster: improving hole shot, mid-range acceleration and top speed.