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Troubleshooting
Case 1: Starting failure
CHECK
Fuel tank
Fuel filter
Carburettor adjustment screw
Sparking (no spark)
Sparking (no spark)
Spark plug
Case 2: Engine starts but does not keep running/re-starting is very hard
CHECK
Fuel tank
carburettor adjustment screw
Muffler, cylinder (exhaust port)
Air cleaner
Cylinder fin, fan cover
Important notice:
The reprint or reproduction, even of excerpts, and any commercial use, even in part, of this instruction
manual require the written permission of WilTec Wildanger Technik GmbH.
© by WilTec Wildanger Technik GmbH
http://www.WilTec.de
http://www.aoyue.eu
http://www.teichtip.de
PROBABLE CAUSES
Incorrect fuel
Fuel filter is clogged
Out of normal range
Spark plug is fouled/wet
Plug gap is incorrect
Disconnected
PROBABLE CAUSES
Incorrect fuel or staled fuel
Out of normal range
Carbon is built-up
Clogged with dust
Clogged with dust
Item 61493
ACTION
Drain it and fill in correct fuel.
Clean.
Adjust to normal range.
Clean/dry.
Correct (gap: 0.65 mm).
Re-tighten.
ACTION
Drain it and fill in correct fuel.
Adjust to normal range.
Wipe away.
Wash.
Clean.
Page 16
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2021-1
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