Honda WD20X Owner's Manual page 27

When the engine will not start:
1. Is the engine switch ON?
2. Is there enough fuel?
3. Is the fuel valve ON?
4. Is gasoline reaching the carburetor?
5. To check, remove the drain screw and turn the fuel valve ON.
Fuel should flow out freely.
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.
DRAIN
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 to any engine ground. Pull the recoil starter
to see if sparks jump across the gap.
e. If there are no sparks, replace the plug.
If OK, install the new' plug and try to start the engine.
6. If the engine still does not start, take the pump to an authorized Honda
water pump dealer.
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