Search results

  1. 2

    Yamaha Diagnostic System

    Does anyone know where I could obtain the Yamaha Diagnostic System software? It is a useful tool when trying to determine whats wrong with the engine. It runs on a laptop that is connected to the engine with a serial cable. Previously I had fuel injected Evinrudes, and did obtain the software...
  2. 2

    2001 Yamaha 200 HP HPDI O2 sensor

    I have twin 2001 Yamaha 200 HP HPDI with 525+ hours each. The starboard motor will not go over 5000 RPM. The local Yamaha techs say O2 sensor is dirty and asks "Have you been using ring free?". What's Ring Free? And how come nobody told me to use it? I've been reading this (excellent) forum, and...
Top