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ENGLISH
Cleaning the Exhaust Port and Mufer
Depending on the type of fuel used, the type and amount of oil used, and/or your
operating conditions, the exhaust port and mufer may become blocked with carbon
deposits. If you notice a power loss with your gas powered tool, a qualied service
technician will need to remove these deposits to restore performance.
MAINTENANCE
TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Engine not starting Empty tank Fill with mixed fuel
Flooded engine Close the throttle, start several times.
Take out the spark plug and dry if needed
Dirty spark plug (carbon deposit on
electrodes), electrode gap is too large
Clean spark plug, check its temperature, replace if needed
Adjust gap to 0.6 to 0.7 mm
Dirty carburetor or jets Clean carburetor with air
Damaged spark plug or spark plug
connection
Replace
No spark Check for short in spark plug lead, ignition module
Replace if necessary
Reduce spark plug gap to 0.3 to 0.4 mm
Engine runs too fast at idle Cold engine Warm up slowly or close the choke a bit
Idle set too high Adjust idle screw
Engine does not reach max capacity Dirty spark plug (carbon deposit on
electrodes), electrode gap is too large
Clean spark plug, check its temperature, replace if needed
Dirty carburetor or jets Clean carburetor with air
Dirty air lter Clean
Dirty exhaust or exhaust channel Take out and clean
Sealing ring in crankcase not seated properly Replace
Worn cylinder, piston, or piston rings Replace or reface the cylinder and piston assembly
Poor fuel mix (too much oil) Empty tank and remix & ll correctly
Bad ignition Adjust the ignition module lever (0.3 -0.4 mm)
Engine power loss or sudden stop Empty tank Fill with mixed fuel
Fuel mix does not reach the carburetor Clean the fuel lter in the tank
Water in fuel Drain and rinse the fuel system
Dirty air lter Clean
Carbon deposits in cylinder exhaust pipe or
mufer
Clean both and/or replace mufer
Engine does not stop Spark plug is light grey with signs of heating
(heat drops)
Install a spark plug with a higher thermal value
Remains of carbon in the combustion area Clean cylinder head, piston bottom, & cylinder channels
Poor quality cut Cutter overloaded due to too high grass or
too thick brush
Cut grass from top down
Not enough power for thickness of brush
If your tool requires service, ask your retailer or us at 1-888-267-7713 for an
authorized repair centre in your area.
IMPORTANT: If these solutions do not solve the problem contact your authorized
service facility.