Service manual

TROUBLESHOOTING
SERVICE MANUAL NUMBER 26
90-861329--1 MARCH 1999 Page 1C-17
Carburetor Malfunction (continued)
A. Accelerator pump
B. Leaking gaskets
C. Automatic choke
D. Power piston or power valve
Hesitation or acceleration flatness
E. Throttle valves
F. Throttle body heat passages plugged
G. Main metering jets
H. Float adjustment
I. Secondary air valve wind-up
A. Main metering jets
B. Leaking gaskets
C. Float adjustment
Engine surges
D. Saturated float
E. Power piston or valve
F. Throttle valves
A. Power piston or valve
B. Float adjustment
Low top speed or lack of power
C. Main metering jets
D. Leaking gaskets
A. Idle rpm too low
B. Idle mixture screws
Poor cold engine operation
C. Throttle valves
D. Automatic choke
E. Engine flooding
A. Idle rpm too low
B. Idle mixture screws
C. Engine flooding
Engine stalls
D. Automatic choke
E. Dirt in carburetor
F. Accelerator pump
G. Leaking gaskets
Hard starting Refer to “Engine Starts Hard”
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