This is an odd question but I'm at a loss 50cc Maddog

[VOLD]

my moped used to go 60km on flat and the way i figured out something was wrong was when i went downhill achieved the top speed of 90 and it just kept going without loosing speed on flat ground. My rollers were too heavy and my variator couldnt open up all the way. the hill helped my variator open up. I made my rollers lighter and it worked. it would be helpful to know what rpm your scooter is at when you are going max speed.