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KTM 125 SX 2021 User Manual

KTM 125 SX 2021
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21 TECHNICAL DATA
130
POS Needle position from top
MJ Main jet
Info
Do not use on sandy terrain.
21.3.3 Carburetor - basic setting for sandy surfaces (All 125 models)
Idle air adjusting screw
Open 2 turns
Idling jet 37.5
Jet needle 6BFY42‑71
Needle position 3rd position from top
Main jet 580
Info
If the engine is not running smoothly, use a smaller main jet.

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Preview: Setup Instructions
Setup Instructions23 pages

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KTM 125 SX 2021 Specifications

General IconGeneral
Engine Type1-cylinder, 2-stroke engine
Displacement124.8 cm³
Bore x Stroke54 mm x 54.5 mm
StarterKickstarter
Transmission6-speed
Front SuspensionWP XACT-USD, Ø 48 mm
Rear SuspensionWP XACT Monoshock with linkage
CoolingLiquid cooled
Front Tire80/100-21"
Rear Tire100/90-19"
Seat Height950 mm
Ground Clearance375 mm
FrameCentral tube frame made of chrome molybdenum steel
Front BrakeDisc brake
Rear BrakeDisc brake
Fuel Tank Capacity7.5 liters
Fuel SystemMikuni TMX carburetor

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