8
Does not start
1. Dirty air fi lter. 1. Clean or replace air fi lter as
shown in the “Maintenance”
section of this manual.
2. Out of fuel. 2. Fill fuel tank as shown in the
“Maintenance” section
of this manual.
3. Stale fuel. 3. Empty fuel tank and refi ll tank
with fresh, clean gasoline.
4. Dirt or water in fuel. 4. Empty fuel tank and refi ll tank
with fresh, clean gasoline.
5. Spark plug wire is 5. Connect wire to spark plug.
disconnected.
6. Dirty or bad spark plug. 6. Clean or replace spark plug.
7. Bad spark plug wire. 7. Replace spark plug wire.
8. Piston ring is worn, 8. Clean or replace piston ring.
broken or sticking.
9. Leaking cylinder gasket. 9. Replace cylinder gasket.
10. Valves out of adjustment. 10. Adjust valve clearance
(see Product Specifi cations).
11. Vent in fi ller cap clogged. 11. Clean fi ller cap vent.
12. Carburetor fl oat is 12. Clean or replace the
sticking or damaged. carburetor fl oat.
13. Carburetor jet is 13. Clean or replace the
clogged or damaged. carburetor jet.
14. Control bar in released 14. Depress control bar to
position. handle.
15. Control bar defective. 15. Replace control bar.
Loss of power
1. Dirty air fi lter. 1. Clean or replace air fi lter as
shown in the “Maintenance”
section of this manual.
2. Dirt or water in fuel. 2. Empty fuel tank and refi ll tank
with fresh, clean gasoline.
3. Piston ring is worn, 3. Clean or replace piston ring.
broken or sticking.
4. Leaking cylinder gasket. 4. Replace cylinder gasket.
5. Valves out of adjustment. 5. Adjust valve clearance
(see Product Specifi cations).
6. Carburetor jet is 6. Clean or replace the
clogged or damaged. carburetor jet.
7. Muffl er clogged or damaged. 7. Clean or replace muffl er.
8. Oil level too high. 8. Check oil level as shown in
the “Maintenance” section
of this manual.
9. Excessive carbon buildup 9. Clean combustion chamber.
in combustion chamber.
TROUBLESHOOTING - See appropriate section in manual unless directed
to an authorized Service Center.
TROUBLESHOOTING
PROBLEM CAUSE CORRECTION
9
Engine stops
1. Dirty air fi lter. 1. Clean or replace air fi lter as
or does not
shown in the “Maintenance”
idle smoothly
section of this manual.
2. Dirt or water in fuel. 2. Empty fuel tank and refi ll tank
with fresh, clean gasoline.
3. Dirty or bad spark plug. 3. Clean or replace spark plug.
4. Excessive carbon buildup 4. Clean combustion chamber.
in combustion chamber.
5. Tie rod head is worn. 5. Replace tie rod.
Engine is
1. Cooling fi ns clogged. 1. Clean cooling fi ns.
overheating
2. Oil level too low. 2. Add oil as shown in the
“Maintenance” section
of this manual.
3. Engine speed too high. 3. Adjust governor screw
as shown in the
“Service & Adjustments”
section of this manual.
4. Muffl er clogged or damaged. 4. Clean or replace muffl er.
Excessive
1. Bent crankshaft, 1. Contact a qualifi ed service
vibration
disconnected fl ywheel center.
or noise
or broken piston ring.
Starter rope
1. Engine fl ywheel brake is on 1. Depress control bar to
hard to pull
when control bar is released. upper handle before
pulling starter rope.
2. Bent crankshaft. 2. Contact a qualifi ed service
center.
Engine is
1. Oil level too high. 2. Check oil dipstick. If oil level
emitting bluish
is over upper mark, drain oil
black smoke
until at recommended level.
TORQUE VALUES
Connecting Rod Bolt M10 12 N/m (1,2 kg/m)
Cylinder Head Bolt M12 22 N/m (2,2 kg/m)
Flywheel Nut M14 x 1.5 73 N/m (7.4 kg/m)
Crankcase Cover Bolt M8 x 1.5 26 N/m (2,6 kg/m)
Valve Clearance Adjusting Nut M6 x 0.5 10 N/m (1.0 kg/m)
Valve Rocker Arm Bolt M8 x 1.25 24 N/m (2.4 kg/m)
ITEM SPECIFICATION TORQUE VALUE
TROUBLESHOOTING
PROBLEM CAUSE CORRECTION
TROUBLESHOOTING - See appropriate section in manual unless directed
to an authorized Service Center.
