Viper 39570 Mode D'emploi page 12

NOTE: RUN position is when the choke lever is all the way to the
right and FULL CHOKE position is when the choke lever is all
the way to the left.
4. Turn the ON/OFF switch to the ON position. SEE FIGURE 8.
NOTE: Some engine powered products will have the ON/
OFF switch located on the handlebar instead of on the
engine.
5. Grasp starter handle and pull out slowly, until resistance
is felt. Without letting it retract, pull rope with a rapid
stroke. DO NOT pull the rope out all the way. Let it return
to its original position slowly. Repeat this step until engine
starts.
6. After engine begins operating, move choke lever 1/2 way
between the RUN and FULL CHOKE positions. This position
is considered the HALF CHOKE position. SEE FIGURE 6.
Run engine for 30 to 45 seconds at HALF CHOKE position
7.
until engine warms up.
8. Once engine is warmed up, slowly move the choke lever
to the RUN position. SEE FIGURE 7.
Move throttle lever to desired speed. SEE FIGURE 3.
9.
NOTE: Middle to Low Throttle is meant for use as the engine
idles and Full Throttle for when the engine is in use.
TO STOP THE ENGINE:
1. Move the throttle lever to the LOW THROTTLE position
and allow the engine to run at low speeds for 1-2 minutes.
SEE FIGURE 4.
Turn the ON/OFF switch to the OFF position. SEE FIGURE
2.
9.
NOTE: Some engine powered products will have the ON/
OFF
switch located on the handlebar instead of on the engine.
Move the fuel lever to the OFF position. SEE FIGURE 10.
3.
4. Pull the starter handle slowly and return the handle to its
original position when resistance is felt. This operation will
prevent outside moisture from entering the combustion
chamber.
STOPPING THE ENGINE WITH THE FUEL LEVER:
Move the fuel lever to the OFF position and wait until the
engine stops. Avoid letting fuel remain in the carburetor over
long periods, or the passages of the carburetor may become
clogged with impurities and malfunction may result.
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OPEN
CHOKE
(RUN)
POSITION
Note: Some engine
powered products
will have the ON/OFF
switch located on the
handlebar instead of
on the engine.
Note: Some engine
powered products
will have the ON/OFF
switch located on the
handlebar instead of
on the engine.
FUEL LEVER
OFF POSITION
Operator Manual
39570 ENGINE
FIGURE 7
FIGURE 8
FIGURE 9
FIGURE 10