Speed Unstable; Exhaust Colour Abnormal - EMAK K 700 H Workshop Manual

4.3 Speed Unstable

SPEED
UNSTABLE

4.4 Exhaust Colour Abnormal

EXHAUST
COLOUR
ABNORMAL
FUEL SYSTEM
IGNITION
SYSTEM
GOVERNOR
SYSTEM
BLACK
WHITE
BLUE
FUEL low / poor quality / contaminated
(ADD CLEAN FRESH FUEL OF DESIGNATED QUALITY
INTO TANK)
FUEL FILTER clogged
(WASH FUEL FILTER)
CARBURETOR faulty or out of adjustment
(SEE 5-2-3)
SPARK PLUG faulty
(SEE 3-5)
IGNITION COIL loose
(SEE 5-2-6)
GOVERNOR SYSTEM ADJUSTMENT incorrect
(SEE 3-9)
GOVERNOR GEAR faulty
(REPLACE)
AIR CLEANER dirty
(SEE: 3-3)
CARBURETOR faulty
(SEE: 5-2-3)
LOAD excessive
(REMOVE EXTRA LOAD)
ENGINE temperature too low
(WHEN STARTING NORMALLY)
FUEL mixed with water
(USE CLEAN FRESH FUEL OF DESIGNATED QUALITY)
FUEL mixed with engine oil
(USE CLEAN FRESH FUEL OF DESIGNATED QUALITY)
CYLINDER / PISTON / PISTON RING worn
(SEE 5-2-8)
OIL too much
(SEE 3-2)
CYLINDER HEAD faulty
(SEE 5-2-7)
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