TECHNICAL SPECIFICATIONS

KTM 390 Duke 2023 (UE)

2023–2023 390 Duke (2023) EU

373 cc

MotorDataBook

Key specifications

The essentials of this version at a glance.

3.57 US gal
Fuel tank capacity
✓
110/70 R 17 M/C 54H TL
Front tyre size
✓
150/60 R 17 M/C 66H TL
Rear tyre size
✓
15W/50
Engine oil viscosity
✓
1.8 US qt
Engine oil capacity with filter
✓
8 Ah
Battery capacity
✓
JASO T903 MA2
Engine oil specification
✓
1.27 US qt
Coolant capacity
✓
1 items

Dimensions & Weights

Fuel tank capacity
3.57 US gal ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 115 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: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 123 Verification: Verified Open document
Front brake disc diameter
11.81 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Front brake disc minimum thickness
0.18 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Rear brake disc diameter
9.06 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 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: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 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: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 73 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: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 76 Verification: Verified Open document
6 items

Wheels and tyres

Front tyre size
110/70 R 17 M/C 54H TL ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 117 Verification: Verified Open document
Rear tyre size
150/60 R 17 M/C 66H TL ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 117 Verification: Verified Open document
Front tyre pressure - normal load
29.01 psi ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Rear tyre pressure - normal load
31.91 psi ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Front tyre pressure - full load
29.01 psi ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Rear tyre pressure - full load
31.91 psi ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
9 items

Motorcycle Specific

Drive chain size
520 ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 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: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 64 Verification: Verified Open document
Drive chain slack maximum
0.28 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 64 Verification: Verified Open document
Intake valve clearance minimum
0 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 112 Verification: Verified Open document
Intake valve clearance maximum
0.01 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 112 Verification: Verified Open document
Exhaust valve clearance minimum
0.01 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 112 Verification: Verified Open document
Exhaust valve clearance maximum
0.01 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 112 Verification: Verified Open document
Front axle torque
18.44 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 120 Verification: Verified Open document
Rear axle torque
72.28 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 120 Verification: Verified Open document
4 items

Engine & Fluids

Engine oil viscosity
15W/50 ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 115 Verification: Verified Open document
Engine oil specification
JASO T903 MA2 ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 123 Verification: Verified Open document
Engine oil capacity with filter Cambio de aceite y de filtro (el procedimiento del manual incluye siempre el filtro)
1.8 US qt ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 115 Verification: Verified Open document
Coolant capacity
1.27 US qt ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 115 Verification: Verified Open document
2 items

Filters & Service Parts

OEM spark plug reference
BOSCHVR6NEU ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 112 Verification: Verified Open document
Spark plug gap
0.04 in ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 112 Verification: Verified Open document
2 items

Electrical & Battery

12 V battery nominal voltage
12 V ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Battery capacity
8 Ah ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
5 items

Lighting

Low beam bulb
LED ✓
Un único faro de LED para luz de cruce y de carretera.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
High beam bulb
LED ✓
Un único faro de LED para luz de cruce y de carretera.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Front indicator bulb
LED ✓
El manual da un único dato para los intermitentes delanteros y traseros.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Rear indicator bulb
LED ✓
El manual da un único dato para los intermitentes delanteros y traseros.
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
Brake light bulb
LED ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 116 Verification: Verified Open document
3 items

Torque Specifications

Engine oil drain plug torque
9.59 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 115 Verification: Verified Open document
Spark plug torque
14.75 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 114 Verification: Verified Open document
Front brake caliper torque
21.39 lb-ft ✓
Sources and verification (1)
Primary source ✓ Official Publisher: KTM Sportmotorcycle GmbH (buscador oficial de manuales) Document: 390 Duke 2023 – Manual de instrucciones, UE en español (23_3214790_es_OM) Reference: 120 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.