Husqvarna 125 TC EU User Manual (English)

Questions and Answers:

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ccarsonAug 18, 2025
Why does my Husqvarna Motorcycle engine have too little power?
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  Kevin SimmonsAug 18, 2025
  If your Husqvarna Motorcycle engine has too little power, it could be due to several reasons: * Interrupted fuel feed: Check the fuel tank breather, clean the fuel tap, and inspect/adjust the carburetor components. * Very dirty air filter: Clean the air filter and air filter box. * Leaky or deformed exhaust system: Check the exhaust system for damage and replace the glass fiber yarn filling of the main silencer if needed. * Fault in the ignition system: Check the ignition system. * Damaged diaphragm or reed valve housing: Check the diaphragm and reed valve housing.
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Logan CarpenterAug 21, 2025
What to do if Husqvarna Motorcycle engine stalls or is popping into the carburetor?
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  Derrick RamosAug 21, 2025
  If your Husqvarna Motorcycle engine stalls or pops into the carburetor, consider these possible causes: * Lack of fuel: Turn the fuel tap to the ON position and refuel if necessary. * Engine taking in bad air: Check the intake flange and carburetor for tightness. * Loose or oxidized connector/ignition coil: Clean the connector and treat it with contact spray. * Too little coolant: Check the cooling system for leakage and inspect the coolant level. * Too little air stream: Switch off the engine when stationary.
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Carol HuberAug 25, 2025
Why does my Husqvarna Motorcycle engine overheat?
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  Janice MartinAug 25, 2025
  If your Husqvarna Motorcycle engine overheats, possible causes include: * Foam formation in the cooling system: Drain and refill the coolant. * Damaged cylinder head or cylinder head gasket: Check these components. * Bent radiator hose: Replace the radiator hose. * Incorrect ignition point due to a loose stator: Adjust the ignition.
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Timothy LeeAug 28, 2025
Why does my Husqvarna Motorcycle engine have no idle?
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  Tracy ThorntonAug 28, 2025
  If your Husqvarna Motorcycle engine has no idle, it might be due to: * A blocked idling jet: Check/set the carburetor components. * Distorted adjusting screws on the carburetor: Adjust the idle speed of the carburetor. * A defective spark plug: Replace the spark plug. * A defective ignition system: Check the ignition coil and spark plug connector.
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Kimberly ForbesAug 31, 2025
Why does my Husqvarna Motorcycle engine not speed up?
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  John CohenAug 31, 2025
  If your Husqvarna Motorcycle engine does not speed up, the following could be the reasons: * Carburetor running over because float needle is dirty or worn: Check/set the carburetor components. * Loose carburetor jets: Check/set the carburetor components. * Fault in ignition system: Check the ignition system.
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Raymond DiazSep 4, 2025
What causes white smoke emission in Husqvarna Motorcycle exhaust gas?
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  Mary WilsonSep 4, 2025
  White smoke emission (steam in exhaust gas) from your Husqvarna Motorcycle can be caused by a damaged cylinder head or cylinder head gasket. Check these components for damage.
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Heather JohnsonSep 7, 2025
Why is gear oil exiting at the vent hose of my Husqvarna Motorcycle?
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  Linda McneilSep 7, 2025
  Gear oil exiting at the vent hose of your Husqvarna Motorcycle usually means that too much gear oil was added. Check the gear oil level.
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shirleyblevinsSep 10, 2025
Why is there water in the gear oil of my Husqvarna Motorcycle?
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  Micheal FrazierSep 10, 2025
  Water in the gear oil of your Husqvarna Motorcycle can be caused by a damaged shaft seal ring or water pump. Check these components.

Husqvarna 125 TC EU Specifications

General

Engine Type	Single cylinder, 2-stroke
Displacement	124.8 cm³
Bore/Stroke	54 mm / 54.5 mm
Compression Ratio	11.5:1
Starter	Kick starter
Transmission	6-speed
Fuel System	Carburetor
Rear Suspension	Monoshock
Seat Height	950 mm
Power	15 hp
Torque	12 Nm
Cooling	Liquid cooling
Clutch	Wet, multi-disc
Frame	Steel
Front Suspension	USD forks, 48 mm
Front Brake	Single disc, 260 mm
Rear Brake	Disc brake, 220 mm
Tank Capacity (approx.)	7.5 liters