Cleaning Air Filter; Carburetor - Idle; Carburetor - Adjusting Idle - KTM 250 XCF-W USA 2010 Owner's Manual

MAINTENANCE WORK ON CHASSIS AND ENGINE

Cleaning air filter

x
11.107
Warning
Environmental hazard Hazardous substances cause environmental damage.
–
Oil, grease, filters, fuel, cleaners, brake fluid, etc., should be disposed of as stipulated in applicable regulations.
Info
Do not clean the air filter with fuel or petroleum since these substances attack the foam.
–
Remove the air filter.
x
–
Wash the air filter thoroughly in special cleaning liquid and allow it to dry properly.
Air filter cleaner ( p. 104)
Info
Only press the air filter to dry it, never wring it out.
–
Oil the dry air filter with a high quality filter oil.
Oil for foam air filter (
–
Clean the air filter box.
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Check carburetor connection boot for damage and tightness.
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Install the air filter. x (

Carburetor - idle

11.108

Carburetor - adjusting idle

11.109
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Put in both parts together, position them and fix them with the air filter support
–
Install the air filter box lid. (
500107-10
( p. 76)
p. 105)
p. 76)
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
600684-10
The idle mixture is adjusted with the idle mixture adjustment screw
x
–
Screw in the idle adjusting screw
setting.
Guideline
Idle mixture adjusting screw (250 EXC-F EU)
Open
Idle mixture adjusting screw (250 XCF‑W USA)
Open
Adjustment tool for mixture control screw (77329034000)
600684-10
–
Run the engine until warm.
Info
If the air filter is not correctly mounted, dust and dirt can penetrate into the
engine and can cause damage.
p. 76)

.


until it stops and then to the prescribed basic
1.25 turns
1.5 turns
77
.

.