Use and Care Manual
Pre-Operation Check
IMPORTANT: The engine is shipped without gasoline in the 
engine. See the Set-Up Section of this manual for instructions on 
adding gasoline.
IMPORTANT: Some engines are shipped with oil already in 
the engine, others without oil already in the engine. It is very 
important to check the oil before operating the engine and 
to add if necessary. See the Set-Up Section of this manual for 
instructions on checking and adding oil.
For your safety, and in order to maximize the service life of this 
equipment, it is very important to check its condition before you 
operate this engine. Make certain to service, correct or fix any 
problem that might be identified before attempting to operate 
this engine. 
WARNING! Improperly maintaining this engine, or 
failure to correct any problem before operation can 
cause a malfunction which could result in serious 
injury or even death.
Always perform a pre-operation inspection before 
each operation, and correct any problem.
Before you start the engine, always check the following items:
1.  Fuel Recommendations (See Set Up Section)
2.  Checking Oil Level (See Set Up Section)
3.  Air filter (if equipped) (See Maintenance Section)
4.  General Overall Inspection. Check for any fluid leaks or 
discharges, and loose or damaged parts.
5.  Check the owner’s manual provided with the equipment 
that is powered by this engine. Review the owner’s manual 
for any precautions and procedures that should be 
followed before starting the engine.
Starting the Engine
WARNING! Always keep hands and feet clear of 
moving parts. Do not use a pressurized starting 
fluid. Vapors are flammable.
WARNING! An adult should start the engine. Only 
allow children to start the engine if an adult has 
determined they are experienced and capable of 
such operation.
WARNING! If you are unable to start this engine 
after following instructions in this manual, contact 
you authorized MTD Service Dealer. To avoid serious 
burn injuries or damage to your engine, DO NOT 
attempt to start or troubleshoot this engine in any 
other way. for example:
•  DO NOT use starting fluid.
•  DO NOT spray flammable vapors into the 
carburetor.
•  DO NOT put flammable liquids into carburetor. 
•  DO NOT operate engine or pull on starter rope 
with spark plug removed. Fuel can spray from 
spark plug hole and ignite.
NOTE: Allow the engine to warm up for a few minutes after 
starting. The engine will not develop full power until it reaches 
operating temperatures.
Familiarize yourself with the engine symbols shown in Figure 
5-1 before attempting to start this engine. If this engine is 
remotely controlled by the equipment it is powering, be sure to 
familiarize yourself with the equipment Operator’s Manual as 
well. 
ChokeRun
Fast Slow/Idle Engine Off
Primer
Figure 5-1
NOTE: The following starting instructions are for several different 
types of engines. In order to locate the instructions that apply to 
your engine, first determine what type of starter you have. If you 
have an electric starter, see Engines With Electric Starters. If you 
have a manual recoil starter, see Engines with Recoil Starters later 
in this section.
Engines With Electric Starters
If you have a manual recoil starter, see Engines with Recoil 
Starters later in this section.
WARNING! DO NOT pull the starter handle while 
the engine is running. 
WARNING! The electric starter is equipped with 
a 120V A.C. Power Plug designed to operated 
with a grounded extension cord and on 120V A.C. 
household current. It must be properly grounded 
at all times to avoid the possibility of injury or death 
from electrical shock.
Operation
5
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