Briggs & Stratton 21000 - Manual (Page 10)

10
Fuel
Type of Fuel to Use
• Use clean, fresh, regular unleaded gasoline with a
minimum of 85 octane. Fresh fuel prevents gum
from forming in the fuel system or on essential
carburetor parts. Purchase fuel in quantity that can
be used within 30 days.
• For engine protection use Briggs & Stratton
Gasoline Additive available from your Authorized
Briggs & Stratton Dealer.
• Do not use gasoline which contains Methanol.
• Do not mix oil with gasoline.
• This engine is certified to operate on gasoline.
Exhaust Emission Control System: EM (Engine
Modifications).
Adding Fuel
1. Turn engine OFF and let engine cool at least 2
minutes before removing gas cap.
2. Tilt engine at angle shown to properly fill fuel
tank.
Fuel Fill
3. Remove cap and add fuel until level is
approximately 1’’ below top of fuel tank neck. Be
careful not to over fill.
4. Replace cap before starting.
Some fuels, called oxygenated or reformulated
fuels, are fuels blended with alcohols or ethers.
Excessive amounts of these blends can
damage the fuel system or cause performance
problems. If any undesirable operating
symptoms occur, use gasoline with a lower
percentage of alcohol or ether.
CAUTION