Originally Posted by David Robinson
After spending 24 hrs assembling onex genesis bike and china motor kit , i took it to an experienced guy who have built them before . chain broke , but i had it going . nothing fit right . But it looks nice ! engine said 69cc , but papers said 49cc . i ordered 49cc ?????? Also i used opti 2 2 cycle oil 50: 1 ratio ,m mixed with gas . Is that ok ?
I'd suggest you follow the instructions on the container:
"A single mix for all 2-cycle engines".
One oz mixes w/100 oz of gasoline.....
One gallon mixes w/100 gallons of gasoline.....
One liter mixes w/100 liters of gasoline.....
The ratio is 100 parts gasoline to one part Opti-2 oil.