TECHNICAL SPECIFICATIONS

KTM 250 EXC 2015 (UE)

2015–2015 250 EXC (2015) EU

125 cc 2T

MotorDataBook

Key specifications

The essentials of this version at a glance.

2.51 US gal
Fuel tank capacity
✓
80/100 - 21 M/C 51M TT
Front tyre size
✓
140/80 - 18 M/C 70R TT
Rear tyre size
✓
1.27 US qt
Coolant capacity
✓
DOT 4 / DOT 5.1
Brake fluid specification
✓
JASO T903 MA
Transmission fluid specification
✓
2.17 in
Drive chain slack minimum
✓
2.28 in
Drive chain slack maximum
✓
1 items

Transmission & Drivetrain

Transmission fluid specification
JASO T903 MA ✓
Aceite del cambio (motor de 2 tiempos).
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 144 Verification: Verified Open document
1 items

Dimensions & Weights

Fuel tank capacity
2.51 US gal ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 129 Verification: Verified Open document
7 items

Brakes

Brake fluid specification
DOT 4 / DOT 5.1 ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 145 Verification: Verified Open document
Front brake disc diameter
10.24 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 129 Verification: Verified Open document
Front brake disc minimum thickness
0.1 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 129 Verification: Verified Open document
Rear brake disc diameter
8.66 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 129 Verification: Verified Open document
Rear brake disc minimum thickness
0.14 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 129 Verification: Verified Open document
Front brake pad minimum thickness
0.04 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 85 Verification: Verified Open document
Rear brake pad minimum thickness
0.04 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 90 Verification: Verified Open document
2 items

Wheels and tyres

Front tyre size
80/100 - 21 M/C 51M TT ✓
El manual da el tamaño según la versión; se toma la fila «200/250/300 EXC EU/AU».
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 131 Verification: Verified Open document
Rear tyre size
140/80 - 18 M/C 70R TT ✓
El manual da el tamaño según la versión; se toma la fila «200/250/300 EXC EU/AU».
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 131 Verification: Verified Open document
5 items

Motorcycle Specific

Drive chain size
5/8 x 1/4" ✓
Paso y ancho interior de la cadena en pulgadas, tal como los da el manual.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 130 Verification: Verified Open document
Drive chain slack minimum
2.17 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 75 Verification: Verified Open document
Drive chain slack maximum
2.28 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 75 Verification: Verified Open document
Front axle torque
33.19 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 135 Verification: Verified Open document
Rear axle torque
59 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 135 Verification: Verified Open document
1 items

Engine & Fluids

Coolant capacity
1.27 US qt ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 129 Verification: Verified Open document
1 items

Filters & Service Parts

Spark plug gap
0.02 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 124 Verification: Verified Open document
3 items

Lighting

Low beam bulb
HS1 ✓
Una sola lámpara para luz de cruce y de carretera; potencia según el manual: 35/35 W.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 130 Verification: Verified Open document
High beam bulb
HS1 ✓
Una sola lámpara para luz de cruce y de carretera; potencia según el manual: 35/35 W.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 130 Verification: Verified Open document
Brake light bulb
LED ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 130 Verification: Verified Open document
2 items

Torque Specifications

Spark plug torque
18.44 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 127 Verification: Verified Open document
Front brake caliper torque
18.44 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 125 EXC 2015 – Manual de instrucciones, UE en español (15_3213233_es_OM) Reference: PDF p. 134 Verification: Verified Open document

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MotorDataBook prioritises official documentation and shows conditions, notes and traceability whenever a figure needs context. Unconfirmed values should not be presented as facts.