Engine Manual

Operator’s Manual
Viper® 340cc 4-Cycle Engine
5
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• Allow fuel fumes/vapors to escape from the area
before starting engine.
• Test the fuel cap for proper installation before starting
and using engine.
• Always run the engine with fuel cap properly installed
on the engine.
• Never smoke while relling fuel tank or while
operating the engine.
• Do not store engine with fuel in fuel tank indoors. Fuel
and fuel vapors are highly explosive.
• Never pour fuel from engine fuel tank.
• Never siphon fuel by mouth to drain fuel tank.
• Always have an adult ll the fuel tank and never allow
children to ll the engine.
• Never allow an adult or anyone under the inuence of
drugs or alcohol to ll engine.
• When storing gasoline or equipment with fuel in the
tank, store away from furnaces, stoves, water heaters
or other appliances that have a pilot light or other
ignition source because they can ignite gasoline
vapors.
Burns and Fires
The muer, muer guard and other parts of the engine
become extremely hot during the operation of the engine.
These parts remain extremely hot after the engine has
stopped.
Prevention of Burns and Fires
• Never remove the muer guard from the engine.
• Never touch the muer guard because it is extremely
hot and will cause severe burns.
• Never touch parts of the engine that become hot after
operation.
• Always keep materials and debris away from muer
guard and other hot parts of the engine to avoid res.
SERVICE
• Always stop the engine whenever you leave the
equipment, before cleaning, repairing or inspecting
the unit. Engine should be turned o and cool, spark
plug wire must be removed from spark plug before
any repairs or adjustments are attempted. Never
make adjustments or repairs with the engine (motor)
running. Disconnect the spark plug wire, and keep
the wire away from the plug to prevent accidental
starting. Remove the ignition key if equipped with an
electric start.
• Always wear eye protection when you make
adjustments or repairs.
• Keep all nuts and bolts tight and keep equipment in
good condition.
• Never tamper with safety devices. Check their proper
operation regularly.
• When servicing or repairing the engine, do not tip the
engine over or up unless specically instructed to do
so in this manual. Service and repair procedures can
be done with the engine in an upright position. Some
procedures will be easier if the engine is lifted on a
raised platform or working surface.
• To reduce re hazard, keep engine free of grass,
leaves, or other debris build-up. Clean up oil or fuel
spillage. Allow engine to cool before storing.
• Stop and inspect the equipment if you strike an
object. Repair, if necessary, before restarting.
• Clean and replace safety and instruction decals as
necessary.
• To guard against engine over-heating, always keep
recoil housing clean.
• Inspect engine before storage. When not in use,
disconnect spark plug lead and store indoors in a dry
place locked or otherwise inaccessible to children.
• Use only original equipment parts from Viper®,
including all nuts and bolts.