88cc gy6 cold idle #gy6 #moped #139qmb

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Do you have a resistor pack or inverter on that m18 pack to step down to 12v? Or are you sending 18v to the entire bike? Cause I have 5 or 6 m18 batts

hfc-ul
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That's blueish colored smoke...he has bad oil rings or a scorned cylinder or piston or rings that are not clocked properly.. 4 strokes are not supposed to smoke like that maybe a little after some engine work upon first start, but not like that ....he needs to take it back apart and inspect the piston, cylinder and rings and probably just take that 52 mm off, with that you need to just get a brand new crank case and heavy duty crankshaft, not a stroker crankshaft, especially if it was originally a 39mm or 50 cc stock scooter scooter .... Or try a 50 mm cylinder and 23/20 performance head ..if you use the stock intake it decel pops ..

thundercatt
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