Carburetor - Idle; Carburetor - Adjusting Idle - KTM 450 SXS-F Owner's Manual

MAINTENANCE ON CHASSIS AND ENGINE

Carburetor - idle

Carburetor - adjusting idle

Fill the bleeding syringe
Bleed syringe (50329050000)
Hydraulic fluid (15) (
On the slave cylinder, remove the bleeder screw
500224-10
Inject the liquid into the system until it escapes from the bore hole
ter cylinder without bubbles.
To prevent overflow, drain fluid occasionally from the master cylinder reservoir.
Remove the bleeding syringe. Mount and tighten screws bleeder screw.
Correct the fluid level of the hydraulic clutch.
Specification
Fluid level under top level of container.
Check parts for damage and wear. Replace damaged or worn parts.
400247-10
Position the cover with the membrane. Mount and tighten screws.
The idle setting of the carburetor has a big influence on the starting behavior, stable
idling and the response to throttle opening. That means that an engine with a correctly
set idle speed is easier to start than if the idle is set wrongly.
Info
The carburetor and its components are subject to increased wear caused by
engine vibration. Wear can result in malfunctioning.
The idle speed is adjusted with the adjustment screw
200382-10
The idle mixture is adjusted with the idle mixture adjustment screw
x
Screw in the idle adjusting screw
setting.
Specification
Idle mixture adjusting screw
Open
Adjustment tool for mixture control screw (77329034000)
Run the engine until warm.
Specification
200382-10
Warm-up time
Adjust the idle speed with the adjusting screw
Specification
Choke function activated
Idle speed
Turn the idle adjusting screw
Note the position and turn the idle adjusting screw slowly counterclockwise until
the idle speed falls.
with the appropriate hydraulic fluid.
P. 82)
and fit the bleeding syringe
4 mm (0.16 in)
.
until it stops and then to the prescribed basic
1.5 turns
5 min
.
The choke lever is pushed in to the stop. (
1,600... 1,650 rpm
slowly until the idle speed begins to fall.
63
.
of the mas-
.
P. 11)