Idle Speed Adjustment
ldle speed adjustment is carried out using the air screw and idle adjusting screw.
NOTICE
Do not force the air screw beyond the fully seated position, or the adjusting mechanism may be damaged.
Turn the idle adjusting screw to obtain the desired idle speed. If you do not wish the engine to idle turn out the screw until the engine stops.
A. Air Screw
B. Idle Adjusting Screw
WARNING
Operation with damaged cables could result in an unsafe riding conditions. Replace dam-aged control cables before operation.
NOTICE
This motorcycle’s radiator does not incorporate a cooling fan. Prolonged idling of the engine with no airflow through the radiator can cause coolant loss and engine overheating resulting in possible engine damage. Any riding conditions that increase engine temperature will further reduce idling time be- fore coolant loss occurs. These conditions include high ambient temperature, sandy or muddy terrain, or other conditions causing high engine loads at low speeds. Furthermore, warming the engine up excessively be- fore operation, or leaving idling with the hot engine temperature after operation results in the engine overheating, too.
A. Cable Housing Dust Cover
B. Screws
C. Throttle Case Cover
A. Locknut
B. Adjuster
C. Throttle Case
D. Upper End of the Throttle Cable
A. Carburetor Overflow Hose
B. Magneto Cover
C. Clamp
D. Fuel Hose
E. Carburetor Clamp Screws
F. Carburetor
G. Air Cleaner Duct
H. Cylinder Intake Joint
A. Fuel Drain Plug
NOTICE
Never drop the carburetor, especially on a hard surface. Such a shock to the carburetor can damage it. Remove the carburetor cap screws and take off the carburetor body.
A. Carburetor Cap Screws
B. Carburetor Body
WARNING
Gasoline and low flash-point solvents can be flammable and/or explosive and cause severe burns. Clean the carburetor in a well-ventilated area, and take care that there are no sparks or flame anywhere near the working area; this includes any appliance with a pilot light. Do not use gasoline or a low flash-point solvent to clean the carburetor.
NOTICE
Do not use compressed air on an assembled carburetor, the float may be deformed by the pressure. Remove as many rubber or plastic parts from the carburetor as possible before cleaning the carburetor with a cleaning solution. This will prevent damage or deterioration of the parts. Do not use a strong carburetor cleaning solution that could attack the plastic parts; instead, use a mild high flash-point cleaning solution safe for plastic parts. Do not use wire or any other hard instrument to clean carburetor parts, especially jets, as they may be damaged.
A. Compressed Air
NOTICE
If dirt gets through into the engine, excessive engine wear and possibly engine damage will occur. Lubricate the lower and upper end of the throttle cable (see Lubrication section) and reinstall it.
A. Lower End of the Throttle Cable
Tightening Torque
Carburetor Cap Screws: 2.1 Nm (0.21 kgfm, 19 in lb) Install the removed parts.
Tightening Torque
Carburetor Clamp Screws: 1.1 Nm (0.11 kgf m, 10 in lb)
WARNING
Operation with improperly adjusted, incorrectly routed, or damaged cable could result in an unsafe riding condition. Be sure the control cable is adjusted and routed correctly, and is free from damage. Adjust the throttle cable (see Throttle Cable section).
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