How do i set timing for thumpstar engine?

first u need to take off the timing cog plate on the left side of the head to do this on the other side of the plate is a bolt. one u have that off u need to take the fly wheel cover off. u will see on the timing cog that thers a marking that needs to be lined up with another marking on the head of the bike towards the front wheel. now take the 3 bolts off the cog. on the fly wheel is a t marking for timing spin the fly wheel around till the t is facing derecly upwards n u will c a slit u need to line the t up with the slit now take the chain off the timing cog n line the marking on the cog up to the on on the head then put the chain back on n make shaw they r exacly aline n your done