Northern Tier Tuning

Powersports and marine ECU tuning

Tuning excellence for the machines that are not cars.

Dyno-developed calibrations for Polaris, Can-Am, Honda, Sea-Doo and Yamaha outboards, installed in person by a local team across Minnesota, Wisconsin, Iowa, North Dakota, South Dakota, Nebraska, Kansas, Missouri and Ontario.

Book an install

Find your machine

Make, model, year and engine. One page shows the calibration, the parts that fit and the fluids it takes.

Side-by-Sides & ATVsPolaris, Can-Am and Honda, flashed through the diagnostic port on site.Snow & WatercraftPolaris ProStar S4 sleds and Sea-Doo, tuned for the season you are in.Yamaha OutboardsNIZPRO reflash for the F50 through the F450 XTO, installed dockside.

Makes we tune

How it works

  1. Pick your machine. Every platform lists its price, engine and ECM up front.
  2. Book. The installer for your territory confirms a date and a place.
  3. Flash. We save your stock file, license the ECM with 4 HP Tuners credits, and write the calibration on site.