Hi guys..
Im missing the exsaust system to finish my 3years K0 project....
Yamiya said the factory will produce in december...
I built the bike stock..except the 0.50 piston kit...
I was thinking if i dont find a very good used one set..to buy a 4-1 system till the factory will produce new one..
My question is...will i have to change the main jet for a 4-1 or 120 is ok??
Thanks