my maxim start fine but after some kms it stall while driving and when i turn the switch to off it backfire making a sound exactly like a gun,unable to restart until after 5 minute,then it will restart normally but also stall again after a while about 2 to 3 kms , wait another 5 min it restart fine, and after the motorcycle run fine for the rest of the day like normal . next day the same process but some days two stall some other days 3 stalls then after it warms up it runs normal. please help me with this problem because i like this moto.