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Backfire Problem

terpi

New Member
My sparkplug is new. I have successfully got rid of the backfire issue, I disabled the AIS as what sir Traxx posted before. Now, having a hard time tuning my bike. :(
 

terpi

New Member
Afternoon, i set the a/f screw to 2 1/4 rotation. Next thing i need to do is to check sparkplug tomorrow after work and see if i was able to get the right mixture.

Once again, i say thank you to everyone who showed their willingness to help. :dance:
 

terpi

New Member
try to do the AIS mod, usually backfire is caused by the AIS,
after doing it and still having a backfire, its a jetting issue
Yes sir, I disabled the AIS based from your AIS thread and it worked. The only thing i need to do is finding the right A/F mixture. As starter, i did the 2 1/4 screw rotation, i will check the SP tomorrow if it needs few more turns.

Thank you for the TIPS that you shared. It is indeed very helpful. :thumbsup: :thumbsup::cool:
 

Jiou de Leon

Veteran
so bro hows ur bike? i have installed 60mm but i have smoke issues going out on my pipe still using stock carb. can't find the right jettings.

my set.up: 60mm bore faito, S4Evo Cams, Ported exhaust on my head. but still have smoke issues
 
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