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DannoXYZ · September 13th, 2020, 06:54 PM

Hi Duc & welcome to Ninjette!

White smoke is usually coolant. Typically from cracked head or blown headgasket.

Does it come out of body of O2-sensor? Or the threads? Or out end where wires are? Any white smoke out tailpipe?

Does white smoke come out anywhere after bike’s fully warmed up (about 10-15 min)?

September 13th, 2020, 06:54 PM	#2
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	Hi Duc & welcome to Ninjette! White smoke is usually coolant. Typically from cracked head or blown headgasket. Does it come out of body of O2-sensor? Or the threads? Or out end where wires are? Any white smoke out tailpipe? Does white smoke come out anywhere after bike’s fully warmed up (about 10-15 min)? Last futzed with by DannoXYZ; September 13th, 2020 at 10:24 PM.