If your running a little hot and no carb insulator..............then winter grade fuel is going to boil in the carb.

It’s more about the vapor point but the symptom is fuel boiling. Some areas are in change over now. But if you had winter grade fuel from the fall ride.........that fuel on spring 80* day will behavior different than a summer grade Purchased in July.

http://haneperformance.com/techtips5.html

https://auto.howstuffworks.com/fuel-efficiency/fuel-consumption/summer-fuel1.htm


Motorcycle or ATV it is common for the gas to boil in the tank as the fuel is heated by the engine heat.

Last edited by showkey; 03/16/2019 11:10 PM.