Use and Care Manual

8
Difficult to start,“fuel is available,
but no SPARK at spark plug”.
Spark plug bridging?
Check gap,insulation or
replace spark plug
．
Carbon deposit on spark plug?
Clean or replace spark plug
．
Short circuit due to deficient spark plug
insulation?
Check spark plug insulation
，
replace if worn
．
Improper spark plug gap?
Sat to proper gap
．
Difficult to start
．
“fuel is available
，
and SPARK is present at the spark
plug”
．
ON/0FF switch is shorted?
Check switch wiring,replace switch
．
Ignition coil defective?
Replace ignition coil
．
Improper spark gap,points dirty?
Sat correct spark gap and clean
points
．
Condenser insulation worn or short
circuiting?
Replace condenser.
Spark plug wire broken or short
circuiting?
Replace defective spark plug
wiring
．
Difficult to start, “ fuel is
Available, spark is present and
compression is normal”
Wrong fuel type?
Flush fuel system
，
and replace
with correct type of fuel
．
Water or dust in fuel system?
Flush fuel system
．
Air cleaner dirty?
Clean or replace air cleaner
．
Choke Open?
Close Choke
．
Difficult to start
．
“fuel is available
，
spark is present and compression is low”
Suction/exhaust valve stuck or protruded?
Re-seat valves
．
Piston ring and/or cylinder worn?
Replace piston rings and or
piston
．
Cylinder head and/or spark plug not
tightened properly?
Torque cylinder head bolts and
spark plug
．
Head gasket and/or spark plug gasket
damaged?
Replace head and spark plug gaskets
．
No fuel present inside priming bulb.
Fuel not available in fuel tank?
Fill with correct type of fuel
．
Fuel filter clogged?
Replace fuel filter.
Fuel tank cap breather hole clogged?
Clean or replace fuel tank cap.
Air in fuel line?
Bleed fuel line
．