Yamaha marine diagnostics on a standalone 5-inch touchscreen — no laptop, no dealer software, no appointment. Talks directly to the ECU and EMM.

READS ENGINE HOURS. If you are buying a used outboard or WaveRunner, that is the number the seller cannot show you and the one that decides what the boat is worth.

Also does ECU information, DTC lookup with descriptions, read and clear codes, freeze frames, live data as text or graph, bi-directional active tests, and 15+ service resets including Tilt Limiter Set, Oil Change Table and Remote Control System Reset. Records and prints data.

Covers Yamaha WaveRunner and outboard models 2003-2022, with selected 2023-24 applications — EX, FX, GP, VX, EFI 4-stroke, HPDI, V MAX SHO, XF375, XF425 and more. Check your model year before booking.

In the box: MR500 tablet, main cable, M061 Yamaha diagnostic cable, 12V 2A charger. Corrosion-resistant waterproof housing — built to be used at the dock.

This unit is Yamaha only. It cannot diagnose other brands.