hello everyone been a while since I been here am riding a grubee 80 cc with a cns carb. Develop a problem yesterday while riding,bike cut off going up a hill and started a rattling noise in engine. I using a 32:1 mix of oil,I believe I have spark because it trieds to fire but when I pull the plug it is dry .put my old carb on and the same thing.Do anyone have any ideas what might be wrong, open to all advice.
Thank so much ,Richard
Thank so much ,Richard