TECHNICAL SPECIFICATIONS

KTM 50 SX 2019 (mundial)

2019–2019 50 SX (2019) WW

49 cc 2T

MotorDataBook

Key specifications

The essentials of this version at a glance.

60/100 - 12 36M TT
Front tyre size
✓
2,75 - 10 38J TT
Rear tyre size
✓
Líquido refrigerante de alta calidad sin silicato con aditivo anticorrosión para motores de aluminio
Coolant specification
✓
0.74 US qt
Coolant capacity
✓
14.5 psi
Front tyre pressure - normal load
✓
14.5 psi
Rear tyre pressure - normal load
✓
DOT 4 / DOT 5.1
Brake fluid specification
✓
0.2 in
Drive chain slack minimum
✓
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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 135 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 129 Verification: Verified Open document
Front brake disc minimum thickness
0.09 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 129 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 129 Verification: Verified Open document
Rear brake disc minimum thickness
0.09 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 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: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 78 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 85 Verification: Verified Open document
4 items

Wheels and tyres

Front tyre size
60/100 - 12 36M 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 130 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 130 Verification: Verified Open document
Front tyre pressure - normal load Uso fuera de carretera (todoterreno)
14.5 psi ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 129 Verification: Verified Open document
Rear tyre pressure - normal load Uso fuera de carretera (todoterreno)
14.5 psi ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 130 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 130 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 67 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 67 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 133 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 133 Verification: Verified Open document
2 items

Engine & Fluids

Coolant specification
Líquido refrigerante de alta calidad sin silicato con aditivo anticorrosión para motores de aluminio ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 135 Verification: Verified Open document
Coolant capacity
0.74 US qt ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 50 SX 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 129 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 127 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 127 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 128 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 133 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 132 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 2019 – Manual de instrucciones, mundial en español (19_3213844_es_OM) Reference: 128 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.