hey, the exact same thing happend to me, turned out my kickstart shaft had bent and rubbed on the outer casing and worn down the gear wich causes it to skip. you should take off the clutch side cover and check the case and look for wear on the inside if it is worn check the gear on the kickstart...
i just got a one industries helmet, scott goggles, fox pantz, fox jersey, fox trackers boots and one of them fox body armour suits (lol they look like a turtle shell). i dont have any pics of it though....
100% spot on, theres no point stuffing around with the 70cc try listing it on ebay or in the mini classifields section and someone will want to buy it. i would recomend for you to buy either a lifan or jialing engine. you can contact maylands performance or other sponsers they sell good engines.
jialing over lifan anyday!!!!! i had a motovert 110 with a jialing (which is now jackos) and i never had a problem with it. then i got a new bike with lifan and that engine shit itself so i bought the lifan 140 and the drive chain shaft snapped and the kickstart shaft bent. jialings are much...