Troubleshooting - Honda HS621 Owner's Manual

TROUBLESHOOTING
When the engine will not start:
1, Is the engine switch on?
2. Is the fuel valve on?
3. Is there enough fuel?
If any fuel is spilled, make sure the area is dry before testing the spark
plug or starting the engine. Spilled fuel or fuel vapor may ignite.
4. Is gasoline reaching the carburetor?
To check, loosen the drain knob with the fuel valve on. Fuel should flow
freely.
5. Is there a spark at the spark plug?
a. Remove the spark plug cap. Clean any dirt from around the spark plug
base, then remove the spark plug.
b. Install the spark plug in the plug cap.
c. Turn the engine switch on.
d. Ground the side electrode at any engine gronud and crank the engine
to see if sparks jump across the gap.
e. If there are no sparks, replace the plug.
If OK, try to start the engine according to the instructions.
6. If the engine still does not start, take the snowthrower to an authorized
Honda dealer.
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