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Page 19For technical questions, please call 1-800-444-3353.SKU 67561
Engine not run-
ning Smoothly
Poor Fuel quality. 1.
Incorrect choke setting.2.
Incorrect Timing.3.
Replace fuel with 91+ octane premium 1.
unleaded gasoline.
Adjust the choke.2.
Have the timing checked by a qualied 3.
technician.
Problem: Engine stops suddenly while running. See chart below:
Engine System Possible Cause Possible Solution
Fuel Supply
System
Fuel is used up.1.
Fuel Filter is clogged.2.
Carburetor Float is leaking.3.
Needle Valve sticks.4.
Check fuel level and rell as needed.1.
Clean Fuel Filter.2.
Replace if needed.3.
Clean and readjust.4.
Ignition System
Engine Switch is in OFF position.1.
Spark Plug tip is burned through 2.
or carbon fouled.
Spark Plug Wire is disconnected.3.
Spark Plug wire is shorting against 4.
engine body or frame.
Ignition Coil is shorted or 5.
damaged.
Move Switch to ON position.1.
Clean or replace spark plug. Reset 2.
gap to 0.024 - 0.031”.
Check connections at both ends.3.
Check condition of spark plug wire, 4.
replace as needed.
Check coil continuity and output. 5.
Mechanical
problem
Engine Piston, Piston Rod, Valve 1.
or Crankshaft may be damaged.
Generator Shaft may be seized.2.
Have serviced by a qualied 1.
technician.
Disconnect engine and attempt to 2.
rotate generator shaft by hand. Repair
or replace as needed.
Problem: Engine runs excessively hot. See chart below:
Problem Possible Cause Possible Solution
Engine runs
excessively
hot
Improper Ignition Timing.1.
Exhaust manifold, mufer or exhaust 2.
pipe damaged or clogged.
Intake Manifold leaking. 3.
Dirty or clogged Cylinder Cooling Fins.4.
Cooling Fan loose or damaged. 5.
Bent Piston Rod6.
Worn Piston, Piston Ring or Cylinder 7.
Wall.
Improper engine speed. 8.
Worn Crankshaft Main Bearing.9.
Check and reset Ignition Timing.1.
Check condition of exhaust system, 2.
repair as needed.
Check condition of intake manifold 3.
and gasket. Repair as needed.
Clean Cylinder Wall Cooling Fins.4.
Check condition of cooling fan. 5.
Repair or replace as needed.
Replace Piston Rod.6.
Check clearances, replace as 7.
needed.
Engine speed is self-regulating. Be 8.
sure choke if fully open. Reduce
electrical load on generator.
Check for wear. Replace as needed.9.