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CPI MOTOR
TROUBLE SHOOTING
GTR50
《
2-3
》
7
TEST CYLINDER
COMPRESSION
NORMAL
COMPRESSION
LOSS OF COMPRESSION
(1)VALVE STUCK OPEN
(2) WORN CYLINDER AND PISTON RINGS
(3) BLOWN CYLINDER HEAD GASKET
(4) INCORRECT VALVE TIMING
(5) FLAWS IN CYLINDER HEAD OR
CYLINDER
8
CHECK CARBURETOR
FOR CLOGGING
CARBURETOR NOT
CLOGGED
CARBURETOR CLOGGED (1) CARBURETOR JETS CLOGGED
9
REMOVE SPARK PLUG
PLUG FOULED OR
DISCOLORED COLORED
(1) FOULED PLUG
(2) INCORRECT HEAT RANGE PLUG
10
CHECK OIL LEVEL
AND CONDITION
CORRECT ENGINE OIL
LEVEL
OIL DIRTY OR LEVEL
INCORRECT
(1) LEVEL TOO LOW OR HIGH
(2) CONTAMINATED OIL
11
REMOVE CYLINDER
HEAD COVER AND
CHECK
SUFFICIENTLY
LUBRICATION
INSUFFICIENTLY
LUBRICATED
(1) CLOGGED OIL PASSAGE
(2) POOR OIL PUMP DELIVERY
12
CHECK IF ENGINE
OVERHEATS
ENGINE DOES NOT
OVERHEAT
ENGINE OVERHEATS
(1) EXCESSIVE CARBON IN
COMBUSTION CHAMBER
(2) INCORRECT FUEL
(3) SLIPPING CLUTCH
13
RAPIDLY
ACCELERATE OR URN
AT HIGH SPEEDS
ENGINE DOES NOT
KNOCK
ENGINE KNOCKS
(1) WORN PISTON OR CYLINDER
(2) MIXTURE TOO LEAN
(3) INCORRECT FUEL
(4) EXCESSIVE CARBON IN
COMBUSTION CHAMBER
(5) LGNITION TIMING TOO EARLY