Checking and Filling Fuel
WARNING! TO PREVENT SERIOUS
INJURY FROM FIRE:
Fill the fuel tank in a
Do not smoke.
1.Clean the Fuel Cap and the area around it.
2.Unscrew and remove the Fuel Cap.
3.If needed, fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline. For the 68121, fill to the bottom of the fuel strainer ONLY, see below.
Engine Oil Change
CAUTION! Oil is very hot during operation and can cause burns. Wait for engine to cool before changing oil.
1.Make sure the engine is stopped and is level.
2.Close the Fuel Valve.
3.Place a drain pan (not included) underneath the crankcase’s drain plug.
4.Remove the drain plug and, if possible, tilt the crankcase slightly to help drain the oil out. Recycle used oil.
5.Replace the drain plug and tighten it.
6.Clean the top of the Dipstick and the area around it. Remove the Dipstick by threading it counterclockwise, and wipe it off with a clean lint free rag.
SAFETY
68121 Max Fuel
Full level
Full level
SETUP
DO NOT OVERFILL!
WARNING! TO PREVENT FUEL LEAKAGE AND FIRE HAZARD, do not fill fuel above the bottom of fuel strainer for the 68121, 212cc engine.
Note: Do not use gasoline containing more than 10% ethanol (E10). Do not use E85 ethanol.
Note: Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container. It can cause particles to enter the carburetor, affecting engine performance and/or causing damage.
4.Then replace the Fuel Cap.
5.Wipe up any spilled fuel and allow excess to evaporate before starting engine.
To prevent FIRE, do not start the engine while the smell of fuel hangs in the air.
7.Add the appropriate type of oil until the oil level is at the full level. SAE 10W‑30 oil is recommended for general use.
The SAE Viscosity Grade chart shows other viscosities to use in different average temperatures.
SAE Viscosity Grades
30
Average outdoor temperature
8. Thread the dipstick back in clockwise.
CAUTION! Do not run the engine with too little oil. The engine will be permanently damaged.
OPERATION
MAINTENANCE
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