99 Warrior hanging idle

Discussion in 'Motor, Transmission, Electrical, Intake & Exhaust' started by james c coyer, Mar 16, 2019.

Yamaha Raptor 350 & Warrior Forum

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  1. Mar 16, 2019 #1

    james c coyer

    james c coyer

    james c coyer

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    My engine has been converted to a vm36 carb, I have a hanging idle issue I was told it was a lean condition but I have changed pilot jet several times up to a 50 or 55 still hangs,I have checked for air leaks and have found none,I've tried several different Mikuni VM carbs with no change. The plug is dark black after just 15-20 minutes of run time ( plug was new).It does smoke (white).What else could it be?
     

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