The Log

Notes from the dyno.

Articles, breakdowns, and straight talk about Yamaha outboard tuning, fuel economy, offshore performance, and what we see across hundreds of installs in South Florida.

Fuel & Economy May 2026 · 5 min read

The Real Math on a Tuned Yamaha — Why Fuel Costs Make ECU Tuning a No-Brainer

A typical twin-rigged center console burns $20,000+ a year in marine fuel. Here's what a Nizpro tune actually does to that number — and why the math works whether gas goes up, down, or sideways.

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How It Works May 2026 · 6 min read

Yamaha Outboard Tuning Explained — How ECU Reflashing Actually Works

What's actually happening when a Yamaha outboard gets a Nizpro tune? A plain-English walkthrough of fuel maps, ignition timing, the dyno-and-water validation process, and why marine ECU tuning is a different animal from automotive.

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Why Nizpro May 2026 · 5 min read

Nizpro Marine vs. The Rest — Why Calibration Matters Most

Anyone with a laptop can claim to tune a Yamaha. What separates the real calibration work from a bolt-on module is process: dyno development, water validation, and a refusal to push the engine outside its design envelope. Here's why we work with Nizpro and what to look out for elsewhere.

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If you've got an honest question about ECU tuning, fuel economy, or your specific Yamaha — call or message us. The best articles come from real customer questions.

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Nizpro Marine performance tunes require a minimum of 89-octane US pump fuel and adherence to Yamaha's recommended service intervals. Performance gains vary by engine model, year, propeller setup, hull configuration, and operating conditions. ECU tuning is a modification — implications for any factory warranty depend on Yamaha and the specific issue.