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SKU 65414
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 refill 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.
Ignition Coil is shorted or
4.
damaged.
Spark Plug wire is shorting against
5.
engine body or frame.
Move Switch to ON position.
1.
Clean or replace spark plug. Reset
2.
gap to 0.030”.
Check connections at both ends.
3.
Check coil continuity and output.
4.
Check condition of spark plug wire,
5.
replace as needed.
Mechanical
problem
Engine Piston, Piston Rod, Valve
1.
or Crankshaft may be damaged.
Generator Shaft may be seized.
2.
Remove spark plug and attempt to
1.
rotate engine by hand. Repair or
replace as needed.
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.
Running out of fuel.
2.
Exhaust manifold, muffler or exhaust
3.
pipe damaged or clogged.
Intake Manifold leaking.
4.
Dirty or clogged Cylinder Cooling Fins.
5.
Cooling Fan loose or damaged.
6.
Bent Piston Rod
7.
Worn Piston, Piston Ring or Cylinder
8.
Wall.
Improper engine speed.
9.
Worn Crankshaft Main Bearing.
10.
Check and reset Ignition Timing.
1.
Check fuel level. Let engine cool
2.
down, then fill as necessary.
Check condition of exhaust system,
3.
repair as needed.
Check condition of intake manifold
4.
and gasket. Repair as needed.
Clean Cylinder Wall Cooling Fins.
5.
Check condition of cooling fan.
6.
Repair or replace as needed.
Replace Piston Rod.
7.
Check clearances, replace as
8.
needed.
Engine speed is self-regulating. Be
9.
sure choke if fully open. Reduce
electrical load on generator.
Check for wear. Replace as needed.
10.
