I would greatly appreciate any help given. My son has an 08 RM85, and we rode over the weekend, and I noticed that is had lost a little snap. The bike has less than 20 hours on it. I just replaced the spark plug, because it is also fouling plugs. I ran a 30:1 ratio during break-in, and it fouled 5 plugs, before I increased the ratio to 32:1. We got a little more life out of the plugs then. Anyway, it always had good snap. I could roll the throttle hard, and it would instantly be wide open. Now its taking a little while ( not long, but noticeable) to rev into the powerband. The gas I have is a few months old, due inability to ride, because of the "lowcountry" heat, and little league baseball. Any thoughts, suggestions? Could the gas be old? Again, I would greatly appreciate any help!!!