isc

  1. M

    Yamaha Nytro xtx 220hp charged (isc) need help!

    Hey guys! I'd need a little help. I have a Yamaha Nytro XTX 220hp MPI charged, year 2012. The problem started when I updated from a 180hp kit to a 220hp kit. When the engine has run for about 2 minutes and I give it throttle so it goes over 4500 rpm and then release, the engine stays at 4200 rpm...
  2. M

    Yamaha Nytro XTX 220hp Charged (ISC) HELP NEEDED!!

    Hey guys! I'd need a little help. I have a Yamaha Nytro XTX 220hp MPI charged, year 2012. The problem started when I updated from a 180hp kit to a 220hp kit. When the engine has run for about 2 minutes and I give it throttle so it goes over 4500 rpm and then release, the engine stays at 4200 rpm...


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