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Recent content by zonez

  1. Z

    Yamaha f40 carb problems

    After driving at trolling speed for 30-60minutes and if i try to accelerate after that the motor starts to bog down and i have to pump the gas up and down for a while to get it to work again. But if running the motor a bit harder it works perfect. My float bowls arent parallel to the carb body...
  2. Z

    Yamaha f40betl 2000 yeae model bogging down

    The problem stays the same. I put new diaphgram in the fuel pump too.
  3. Z

    Yamaha f40betl 2000 yeae model bogging down

    Yes i dismantled the carburetors and have ran them trough ultrasonic cleaner many times and after that cleaned them by hand and used wire to ensure every hole is open. Accelerators work too. This problem i have happens only after low rpm driving. I have to use the throttoe carefully to get the...
  4. Z

    Yamaha f40betl 2000 yeae model bogging down

    After driving at low rpm or idle for longer durations the motors idle starts to slow down and engine might shut down and when trying to accelerate it hesitates for a while and if i push it to full gas straight the engine shuts down. But if i drive it faster and dont idle or drive at low rpm for...
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