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yamaha phazer 480

  1. Phazer
    Hello, I have a 1984 Yamaha Phazer 480 that will start right up and idile fine. The problem is when at WOT it only goes about 50MPH and won’t rev over 5,000 RPM. However when stopped then going straight to WOT it will hit about 6,500 RPM then quickly bog back down to 5,000. I have the fuel air...
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