KTM 125 SX EU 2015, Owner'S Manual

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8 RIDING INSTRUCTIONS
23
8.1 Checks and maintenance work when preparing for use
Info
Before riding the vehicle, always check its condition and operating safety.
The vehicle must be in perfect technical condition when used.
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Check the gear oil level. ( p. 89)
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Check the front brake fluid level. ( p. 64)
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Check the rear brake fluid level. ( p. 68)
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Check the front brake linings. ( p. 65)
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Check the rear brake linings. ( p. 69)
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Check that the brake system is functioning properly.
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Check the coolant level. ( p. 81)
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Check the chain for dirt. ( p. 54)
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Check the chain, rear sprocket, engine sprocket and chain guide. ( p. 56)
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Check the chain tension. ( p. 55)
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Check the tire condition. ( p. 73)
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Check the tire air pressure. ( p. 74)
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Check the spoke tension. ( p. 74)
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Clean the dust boots of the fork legs. ( p. 40)
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Bleed the fork legs. ( p. 39)
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Check the air filter.
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Check the settings of all controls and ensure that they can be operated smoothly.
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Check all screws, nuts and hose clamps regularly for tightness.
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Check the fuel supply.
8.2 Starting
Danger
Danger of poisoning Exhaust gases are toxic and inhaling them may result in unconsciousness and/or death.
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When running the engine, always make sure there is sufficient ventilation, and do not start or run the engine in an enclosed
space without an effective exhaust extraction system.
Note
Engine failure High engine speeds in cold engines have a negative effect on the service life of the engine.
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Always warm up the engine at low engine speeds.
Info
If the motorcycle is unwilling to start, the cause can be old fuel in the float chamber. The flammable elements of the fuel
evaporate after a long time of standing.
If the float chamber is filled with fresh fuel, the engine starts immediately.
Engine has been out of use for more than 1 week
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Empty the carburetor float chamber.
x
( p. 85)
(All SX models)
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Turn handle

of the fuel tap to the ON position. (Figure B02072-10 p. 14)
Fuel can flow from the fuel tank to the carburetor.
(All XC models)
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Turn handle

of the fuel tap to the ON position. (Figure L00904-10 p. 15)
Fuel can flow from the fuel tank to the carburetor.
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Remove the motorcycle from the stand.
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Shift gear to neutral.
The engine is cold
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Pull choke lever out as far as possible.