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16
TUNING THE ENGINE
85
Guideline
Idle air adjusting screw (125 SX EU, 125 SX US)
Open
2 turns
Idle air adjusting screw (150 SX EU, 150 SX US)
Open
2 turns
Idle air adjusting screw (250 SX EU, 250 SX US)
Open
2 turns
Idle air adjusting screw (250 XC EU/US)
Open
2 turns
Idle air adjusting screw (300 XC EU/US)
Open
2 turns
–
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/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. (
Idle speed
1,400… 1,500 rpm
–
Turn idle air adjusting screw
slowly in a clockwise direction until the idle speed
begins to fall.
–
Note the position and turn the idle air adjusting screw slowly counterclockwise until
the idle speed falls again.
–
Adjust to the point between these two positions with the highest idle speed.
Info
If there is a large engine speed rise, reduce the idle speed to a normal level
and repeat the above steps.
If the procedure described here does not lead to satisfactory results, the
cause may be a wrongly dimensioned idling jet.
If you can turn the idle air adjusting screw to the end without any change of
engine speed, you need to install a smaller idling jet.
After changing the idling jet, repeat the adjusting steps from the beginning.
Following extreme air temperature or altitude changes, adjust the idle speed
again.
16.5
Emptying the carburetor float chamber
x
Danger
Fire hazard
Fuel is highly flammable.
–
Never refuel the vehicle near open flames or burning cigarettes, and always switch off the engine first. Be careful that no
fuel is spilt, especially on hot vehicle components. Clean up spilt fuel immediately.
–
The fuel in the fuel tank expands when warm and may emerge if overfilled. Follow the instructions on refueling.
Warning
Danger of poisoning
Fuel is poisonous and a health hazard.
–
Fuel must not come into contact with the skin, eyes, or clothing. Do not breathe in the fuel vapors. If contact occurs with
the eyes, rinse with water immediately and contact a physician. Immediately clean contaminated areas on the skin with
soap and water. If fuel is swallowed, contact a physician immediately. Change clothing that is contaminated with fuel.
Store fuel properly in a suitable canister and keep away from children.
Содержание 125 SX EU 2015
Страница 2: ......
Страница 112: ...21 TECHNICAL DATA 110 NDL Needle POS Needle position from above MJ Main jet Info Not for sandy surfaces...
Страница 124: ...23 AUXILIARY SUBSTANCES 122 Universal oil spray Recommended supplier Motorex Joker 440 Synthetic...
Страница 129: ...3213173en 3213173en 04 2014 KTM Sportmotorcycle AG 5230 Mattighofen Austria http www ktm com Photo Mitterbauer KTM...