3. TROUBLESHOOTING
44
FLOAT HEIGNT
GAUGE
f) Inspection
Float level height
Place the carburetor in the position as
shown and measure
the distance between the float top and
carburetor body
when the float just contacts the seat without
compressing
the valve spring.
Specified float height
13.7mm±1.5
If the height is out of specification, replace the float valve and recheck the float height
Tool: Float level gauge
g) Carburetor idle speed adjusting
Start the engine to preheat it to
normal running temperature.
Adjust the pilot screw to specified
idle speed.
3-4-5 Cylinder Head/Valve
1) Removal / Installation
①
Remove the muffler
②
Remove the air cleaner
③
Remove the recoil starter and shroud
④
Remove the carburetor and insulator
PILOT SCREW
