: Unleaded gasoline mixed with 2-stroke oil at a 50:1 ratio .
Q: How often should I change the air filter? A: Every 25 hours of use. pro user g850 generator manual
Approximately 5–6 hours on a full tank (at 50% load). 2. Pre-Operation: The Perfect Fuel Mix : Unleaded gasoline mixed with 2-stroke oil at a 50:1 ratio