TECHNICAL SPECIFICATIONS

KTM 50 SX 2015 (UE)

2015–2015 50 SX (2015) EU

49 cc 2T

MotorDataBook

Key specifications

The essentials of this version at a glance.

2,50 - 12 42J TT
Front tyre size
✓
2,75 - 10 38J TT
Rear tyre size
✓
0.53 US qt
Coolant capacity
✓
DOT 4 / DOT 5.1
Brake fluid specification
✓
0.2 in
Drive chain slack minimum
✓
0.31 in
Drive chain slack maximum
✓
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: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 86 Verification: Verified Open document
Front brake disc diameter
6.3 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 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: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 Verification: Verified Open document
Rear brake disc diameter
6.3 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 Verification: Verified Open document
Rear brake disc minimum thickness
0.1 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 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: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 52 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: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 56 Verification: Verified Open document
2 items

Wheels and tyres

Front tyre size
2,50 - 12 42J TT ✓
El manual da el tamaño según la versión; se toma la fila «50 SX».
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 Verification: Verified Open document
Rear tyre size
2,75 - 10 38J TT ✓
El manual da el tamaño según la versión; se toma la fila «50 SX».
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 Verification: Verified Open document
5 items

Motorcycle Specific

Drive chain size
1/2 x 3/16” ✓
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: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 82 Verification: Verified Open document
Drive chain slack minimum
0.2 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 44 Verification: Verified Open document
Drive chain slack maximum
0.31 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 44 Verification: Verified Open document
Front axle torque
29.5 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 84 Verification: Verified Open document
Rear axle torque
29.5 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 84 Verification: Verified Open document
1 items

Engine & Fluids

Coolant capacity
0.53 US qt ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 81 Verification: Verified Open document
2 items

Filters & Service Parts

OEM spark plug reference
NGK LR 8 B ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 80 Verification: Verified Open document
Spark plug gap
0.02 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 80 Verification: Verified Open document
4 items

Torque Specifications

Spark plug torque
7.38 – 8.85 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 81 Verification: Verified Open document
Front brake caliper torque
14.75 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 84 Verification: Verified Open document
Rear brake caliper torque
7.38 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 84 Verification: Verified Open document
Transmission drain plug torque
14.75 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2015 – Manual de instrucciones, UE en español (15_3213170_es_OM) Reference: PDF p. 81 Verification: Verified Open document

How we handle technical data

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