18 hours is where its totally out of break in you running in ethanol or non ethanol mode 8100 rpms change clutching to get that up some more what elevation are u riding in with the factory weights installed
This ^^.
Mine turned 20+ hours last weekend and is a beast now. Revving at 8300, throttle got "snappier" and track speed increased as well.
Everyone I ride with that hops on it can't believe the improvements from the Pro chassis and even the Doo riders compliment the handling and power.