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Old 09-07-2010, 08:46 AM
fred398's Avatar
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carb settings

I have a 2000 400 and am trying to get it to run. I cleaned the carb but do not know how many turns for the jets. The large knob is for idle i think and the other is high speed. Also what is the plastic tube coming from the bottom of the engine to the carb? I have good fuel and spark.
thanks
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Old 09-07-2010, 11:10 AM
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usually the stock setting is 1 1/2 turns out. The routine is bottom out the screw (gently do not over tighten!!). Then back it out 1 1/2 turns. That should get you in the ballpark however the carb should always be adjusted properly after the engine warms up. You need to set the idle and idle mixture properly and then start working on the mid range mixture and the main jets.
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Old 09-07-2010, 06:17 PM
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