KTM 250 EXC 2018 User Manual

22 TECHNICAL DATA
156
IJ Idling jet
NDL Needle
POS Needle position from top
MJ Main jet
NJ Needle jet
Info
Do not use on sandy terrain.
22.3.5 EXC BR
Carburetor type MIKUNI TMX 38
Carburetor identification number TMX 38 86
Needle position 3rd position from top
Jet needle 6BFY43-73 (6BFY42-73, 6BFY42-74, 6BFY43-74)
Main jet 470 (460, 480, 490)
Idling jet 35 (32.5/37.5/40)
Starting jet 80
Needle jet S-4
Idle air adjusting screw
Open 2 turns
Throttle slide 4

KTM 250 EXC 2018 Specifications

General

Displacement	249 cm³
Bore x Stroke	66.4 mm x 72 mm
Transmission	6-speed
Fuel System	Carburetor
Cooling	Liquid cooled
Front Suspension	WP Xplor 48 upside-down fork
Rear Suspension	WP Xplor PDS shock absorber
Rear Tire	140/80-18
Front Wheel	1.60 x 21"
Rear Wheel	2.15 x 18"
Ground Clearance	370 mm
Seat Height	960 mm
Engine Type	1-cylinder, 2-stroke
Clutch	Wet multi-disc clutch, hydraulically operated
Frame	Central tube frame made of chrome molybdenum steel
Front Brake	Disc brake
Rear Brake	Disc brake, 220 mm
Front Tire	90/90-21
Starter	Kick and electric starter
Fuel Tank Capacity	9 liters