Ⅲ
MAINTAINENACE - TROUBLESHOOTING
TROUBLESHOOTING (ENGINE, CONTINUED)
SYMPTOM
POSSIBLE CAUSE
SOLUTION
Air cleaner not clean?
Clean or replace air cleaner.
Check float adjustment.
Improper level in carburetor?
Rebuild carburetor.
Defective spark plug?
Clean or replace spark plug.
"Weak in power"
compression is
proper and does
not misfire.
Improper spark plug gap?
Set to proper gap.
Water in fuel system?
Flush fuel system and replace with
correct type fuel.
Ignition coil defective?
Replace ignition coil.
"Weak in power"
compression is
proper but misfires.
Dirty spark plug?
Clean or replace spark plug.
Wrong fuel type?
Flush fuel system, and replace
with correct type of fuel.
Spark plug heat value improper?
Replace with correct type of spark
plug.
Engine overheats.
Cooling fins dirty?
Clean cooling fins.
Governor adjusted correctly?
Adjust governor.
Governor
spring
defective
or
missing?
Replace governor spring.
Rotational speed
fluctuates.
Fuel flow restricted?
Check entire fuel system for leaks or
clogs.
Recoil mechanism clogged with dust
and dirt?
Clean recoil assembly with soap and
water.
Recoil starter
malfunction.
Spiral spring loose?
Replace spiral spring.
