TROUBLESHOOTING
Trouble
Possible cause
Solution
Engine will
not start
• Low fuel
• Stale or contaminated fuel.
• Fuel valve is in the “OFF”
position
• Loose spark plug
• Spark plug fouled or defective.
• Spark plug gap is incorrect
• Spark plug cap is not attached
• Choke is not in the “ON “ (left)
position for starting a cold
engine.
• Problem with the electrical
system
• Air filter dirty
• Valves not adjusted properly
• Fill with fresh fuel
• Have a service center flush
and fill with fresh fuel.
• Place fuel valve in the
“ON” position.
• Tighten spark plug
• Clean or replace plug
• Gap the plug
• Attach spark plug cap
• Place choke in the “ON”
(left) position
• Take to a service center for
repair
• Clean or replace air filter
• Take to a service center for
repair
Engine stalls
or runs
erratically
• Low fuel
• Stale or contaminated fuel
• Choke is left in the “ON” (left)
position
• Spark plug is fouled or defective
• Spark plug gap is incorrect
• Spark plug cap is loose
• Carburetor is clogged or has
water in it
• Idle is not adjusted properly
• Problem with the electrical
system
• Air filter dirty
• Valves not adjusted properly
• Fill with fresh fuel
• Have a service center
flush and fill with fresh
fuel.
• Place the Choke in the
“OFF” (right) position.
• Clean or replace plug
• Gap the plug
• Secure the spark plug cap
• Take to a service center
• Take to a service center
• Take to a service center for
repair
• Clean or replace air filter
• Take to a service center for
repair
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