M melon New Member Local time 3:15 AM Joined Dec 24, 2011 Messages 1 Location Austraila Dec 24, 2011 #1 i have 49cc zbox motorized push bike with expansion chamber but i am still having troubles with speed any one got advice i have $200 to spent and i want it to go fast and whats a good petrol to oil ratio for a zbox
i have 49cc zbox motorized push bike with expansion chamber but i am still having troubles with speed any one got advice i have $200 to spent and i want it to go fast and whats a good petrol to oil ratio for a zbox