17 TUNING THE ENGINE
102
0
0
4
4
0
0
3
3
0
0
5
5
0
0
2
2
0
0
1
1
B00075-10
Clip position
1... 5
Clip position from above
The five possible clip positions are shown here.
The carburetor tuning depends on the defined ambient and operating conditions.
17.4
Carburetor - idle
S01331-10
The idle setting of the carburetor has a big influence on the starting behavior, stable
idling, and the response to throttle opening. This means that an engine with a cor-
rectly set idle speed is easier to start than if the idle speed is set wrongly.
Info
The carburetor and its components are subject to increased wear caused by
engine vibration. Wear can result in malfunctioning.
The factory setting for the carburetor is set for the following values.
(TE US, All 125/150 models)
Height above sea level
0… 300 m (0… 984 ft)
Ambient temperature
16… 24 °C (61… 75 °F)
Super unleaded (95 octane) mixed with 2-stroke engine oil (1:60) (
(TE 250/300 EU/AU)
Height above sea level
301… 750 m (988… 2,461 ft)
Ambient temperature
16… 24 °C (61… 75 °F)
Super unleaded (95 octane) mixed with 2-stroke engine oil (1:60) (
The idle speed is adjusted with adjusting screw
.
The idle mixture is adjusted using the idle air adjusting screw
.
17.5
Carburetor
–
adjusting the idle speed
S01332-10
–
Screw idle air adjusting screw
all the way in.
–
Turn the idle air adjusting screw to the specified basic setting.
Info
The basic adjustment is shown under the respective model.
–
Run the engine until warm.
Guideline
Warm-up time
≥
5 min
Danger
Danger of poisoning
Exhaust gases are toxic and inhaling them may
result in unconsciousness and death.
–
Always make sure there is sufficient ventilation when running the
engine.
–
Use an effective exhaust extraction system when starting or running
the engine in an enclosed space.
–
Adjust the idle speed with adjusting screw
.
Guideline
Choke function deactivated
–
The choke lever is pushed in to the stop.
Idle speed
1,400… 1,500 rpm
Содержание TX 125
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