Service Manual

2-8 PERIODIC MAINTENANCE
Periodic Maintenance Procedures
WARNING
Always keep your hands clear of the moving parts.
•
Loosen the locknut [A], and unscrew the high idle set
screw [B] few turns.
•
Move the throttle lever on dash to obtain the specified high
idle speed and leave it there.
High Idle Speed
3 600 r/min (rpm)
•
Turn the high idle set screw so that the end of it just
touches the speed control lever [C], and tighten the lock
nut.
•
Check the idle speed, and readjust the idle speed if nec-
essary.
CAUTION
Be sure to make the idle and fast idle speeds re-
spectively correspond to those of the equipment.
Fuel System Cleanliness Inspection
WARNING
Gasoline is extremely flammable and can be ex-
plosive under certain conditions. Turn the engine
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.
FX Models
•
Place a suitable container [A] under the drain screw [B]
on the carburetor.
•
Turn out the drain screw a few turns to drain the carbu-
retor and check if water or dirt has accumulated in the
carburetor.
•
Tighten the drain screw.
FR and FS Models
•
Place a suitable container under the carburetor.
•
Remove:
Solenoid Valve Connector [A]
Solenoid Valve [B]
Float Chamber [C] and Gasket
•
Check if water or dirt has accumulated in the carburetor.
•
Install the removed parts (see appropriate chapters).
If any water or dirt is found, clean the carburetor (see
Carburetor Cleaning in the Fuel System chapter) and fuel
tank. And check the fuel filter (see Fuel Filter Inspection
in the Fuel System chapter).