MAINTENANCE WORK ON CHASSIS AND ENGINE 85
100806-10
– Clean gear teeth of the shift lever and shift shaft.
– Mount the shift lever on the shift shaft in the required position and engage the
gearing.
– Mount and tighten the screw.
Guideline
Screw, shift lever M6 10 Nm
(7.4 lbf ft)
Loctite
®
243™
Info
The range of adjustment is limited.
The shift lever must not come into contact with any other vehicle compo-
nents during the shift procedure.
13.102Carburetor - idle
600684-10
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 .
The idle mixture is adjusted with the idle mixture adjustment screw .
13.103Carburetor - adjusting idle x
600684-10
– Screw in the idle adjusting screw until it stops and then to the prescribed basic
setting.
Guideline
Idle mixture adjusting screw (EXC‑F, EXC‑F SIX DAYS, SX‑F)
Open 1.25 turns
Idle mixture adjusting screw (XCF-W)
Open 1.0 turn
Adjustment tool for mixture control screw (77329034000)
– Run the engine until warm.
Guideline
Warm-up time ≥ 5 min
Danger
Danger of poisoning Exhaust gases are poisonous and inhaling them may
result in unconsciousness and/or death.
– When running the engine, always make sure there is sufficient ventila-
tion, and do not start or run the engine in an enclosed space without an
effective exhaust extraction system.
– Adjust the idle speed with adjusting screw .
Guideline
Choke function deactivated – The choke lever is pushed in to the stop. (XCF‑W,
SX‑F, EXC‑F AUS) ( p. 23)
Choke function deactivated – The choke lever is pushed back to the stop. (EXC-
F EU, EXC‑F SIX DAYS) ( p. 23)
Idle speed 1,400… 1,500 rpm
– Turn the idle adjusting screw slowly until the idle speed begins to fall.
– Note the position and turn the idle adjusting screw slowly counterclockwise until
the idle speed falls.
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