could really use some help here.i have a 2003 z400 it runs great for about 15 to 20 mins into a ride and then it acts like it is running out of gas.if i let it sit for 2 maybe 3 mins it fire up and is fine for another 15 or 20 mins.its really bugging me.can anyone help with this?

 

check your gas cap it may not be venting

 

ill check that thank you