![]() Please note that all NIZPRO ECU Flashing Software is ONLY compatible with Windows Computers. *Performance Caveat : Engine must run on Minimum 89–90 USA grade / 95-98 AUS grade Octane fuel & have adhered to recommended Yamaha service intervals. You need to prove the engine cant be used for recreation. EPA has racing exceptions, like Bass Machines can still import 50hp carby tohatsu's for kneelers. Especially since Hardin, Teague and a bunch of others are still advertising ECU reprogramming for 4-stroke I/O Mercury racing engines. These tests underpin the performance of the thousands of engines currently in market using the Nizpro Marine 332HO Performance Repower 0 Thread (s) Originally Posted by David - WI. The same 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 Performance Repower on a standard Yamaha 250hp SHO engine utilizing the Nizpro Marine Endurance Test on our inhouse dyno cell. Increased Power, Improved Economy & Reliability? It’s all true! Use the DIY Kit to easily flash your ECU! Upgrading to a Nizpro Marine Performance Repower, your Yamaha 250hp SHO will make 332hp with extra torque through the rev range to get your boat up and out of the water faster. It’s not about turning your boat into a rocket ship – that’s what we made Nizpro 450s Superchargers for! Our state-of-the-art dyno also means we can log the 100’s of hours required to ensure that our tunes ensure the best performance possible.A Nizpro Performance Repower is about optimising the performance of your engine. Speed and boat movement – try sitting in a boat, holding onto a laptop computer at 100 mph while dodging waves and other boats and you understand why a static dyno is so important. We are able to listen and monitor audible spark knock and monitor internal cylinder pressure by measuring cylinder pressure through multiple sensors on individual cylinders all at one time, thousands of times per second. On water testing in a boat with boat & engine noise make it nearly impossible to hear and very inaccurate.cĬompare this to the engine working under every possible load, rpm and temperature condition that are adjustable on the dyno. Tuners will normally try and listen to the engine to hear for spark knock. You can only calibrate to the atmospheric conditions on that day. On the water, you do not have the range of input sensors available to provide real time results, which allow for adjustments and calibrations for climate including atmospheric pressure and temperature. No need to re-rig your boat which costs $1,000s.Improving throttle responsiveness.Īll NIZPRO tunes are first developed on our inhouse dyno cell and then we complete testing on the water. Increasing horsepower by improving fuel and timing maps. ![]() We do NOT tune to the limits of the engine, we optimise the existing performance, without impacting reliability.ĮCU Flashing is the process by whereby your outboard ECU can be re-programmed to in order to reach the maximum performance of the engine.Īn ECU Flash can help maximize your outboard engine performance by: ![]() When we started our Nizpro Supercharger program in the early 2000’s we choose Yamaha Outboards as we believe they are the best built outboard engine on the market, and we still do 10 years later.Īt no point do we attempt to push the engine to breaking point! (that would be a BAD business model!), and we wouldn’t be here all these years later! With a Nizpro ECU tune you can also expect your fuel economy and fuel efficiency improve.
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