Service Manual
PERIODIC MAINTENANCE 2-5
Periodic Maintenance Procedures
Fuel system Cleanliness Inspection
Gasoline is extremely flammable and can be explosive under
certain conditions. Turn the ignition switch OFF. Do not
smoke. Make sure the area is well-ventilated and free from
any source of flame or sparks; this includes any appliance
with a pilot light.
•
Remove the air cleaner (see Fuel System chapter).
•
Place a suitable container [A] under the float chamber mounting bolt
[B] on the carburetor.
•
Remove the float chamber to drain the carburetor and check to see
if water or dirt has accumulated in the carburetor.
•
Tighten the float chamber mounting bolt.
Torque - Float Chamber Mounting Bolt: 4.5 N
1
m (0.46 kgf
1
m, 40 in
1
lb)
•
If any water or dirt is found, clean the carburetor (see Fuel System
chapter), and fuel tank, and check the fuel filter.
Fuel Pump Inspection
•
Check the vent hole [A] and filter [B] for plugging or clogging.
If vent hole and filter are plugged or clogged, remove the foreign
matter from them.
Fuel Flow Test:
Gasoline is extremely flammable and can be explosive under
certain conditions. Turn the ignition switch OFF. Do not
smoke. Make sure the area is well-ventilated and free from
any source of flame or sparks; this includes any appliance
with a pilot light.
•
Disconnect the fuel pump outlet nozzle from the tube.
•
Connect a suitable hose [A] to the outlet nozzle.
•
Run the lower end of the hose into a container.
•
Start the engine, Check the fuel flow.
If fuel flow is none or little, replace the fuel pump.
Check for clogged or damaged tubes and fuel fillter. Replace the
faulty parts.
Fuel Filter Inspection
•
Visually insect the fuel filter [A].
If the filter is clear with no signs of dirt or other contamination, it is
OK and need not be replaced.
If the filter is dark or looks dirty, replace with a new one. Also check
the rest of the fuel system for contamination.