KTM 790 Duke (Euro 5+) (2024–2025) — Specs
Identity
Manufacturer: KTM
Model: 790 Duke (Euro 5+)
Category: Naked
Type: Motorcycle
Years: 2024 → 2025
Engine
Displacement (cc): 799
Cylinders: 2
Power (hp): 95
Power (kW): 70
Torque (Nm): 87
Dimensions
Overall length: 2090 mm
Overall width: 820 mm
Overall height: 1090 mm
Wheelbase: 1475 mm
Ground clearance: 144 mm
Weight (kg): 188
Seat height (mm): 825
Tank (L): 14
Tires
Front tire: 120/70 ZR17
Rear tire: 180/55 ZR17
Front pressure (bar): 2.3
Rear pressure (bar): 2.6
Drivetrain
Drive chain: 520er chain
Sprockets (front / rear): 16 / 45
Ignition
Spark plug: NGK LMAR9AI-10
Plug gap: 1.0 mm
Fluids & Filters
Engine oil: 10W-50
Engine oil (with filter, L): 2.9
Oil filter: Hiflofiltro HF650
Air filter: Hiflofiltro HFA6301
Coolant (L): 1.6
Brake fluid: DOT 4 / DOT 5.1
Fuel consumption
Manufacturer / WMTC: 4.5 L/100 km
Real-world range: ~311 km on a full tank (14.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTZ14S
Service interval (km): 7500
Service interval (months): 12
Valve check (km): 15000
Parts and consumables for this motorcycle
Data is gathered with care, but without guarantee. Always confirm critical information with your dealer or workshop.
Service notes
Service interval: every 7,500 km or 12 months, whichever comes first. Valve clearance check every 15,000 km. Valve clearance — intake cold 0.10-0.15 mm, exhaust cold 0.15-0.20 mm. Engine oil: oil grade 10W-50, 2.9 L with filter change. Spark plug: NGK LMAR9AI-10 (gap 1.0 mm). Brake fluid: DOT 4 / DOT 5.1. Coolant capacity: 1.6 L. Chain: 520er chain, sprockets 16/45 teeth. Tire pressure: front 2.3 bar, rear 2.6 bar (cold). Tire size: front 120/70 ZR17, rear 180/55 ZR17. Always confirm critical values with the workshop manual or an authorised dealer.
OEM and quality aftermarket parts that fit this bike. Always confirm with your dealer before ordering.
Engine oil
Spec: SAE 10W-50, 2.5 L (with filter)
- OEM OEM recommended engine oil
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
Which Motul for this bike?
| Motul 7100 4T ✓ | Motul 5100 4T | |
|---|---|---|
| Product | Motul 7100 4T — 100% fully synthetic | Motul 5100 4T — semi-synthetic |
| Best for | Sport, Naked, Adventure (600cc+), track | Standard, Cruiser, Scooter, daily use |
| RPM protection | Excellent — ester base, stable under load | Good — for normal riding conditions |
- Premium Liqui Moly Motorbike 4T
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
- Standard TotalEnergies Quartz Moto 4T
Fully Synthetic vs Semi-Synthetic
| Fully Synthetic | Semi-Synthetic | |
|---|---|---|
| Base oil | 100% chemical synthesis (ester or PAO) | Mineral oil + synthetic additives |
| Heat resistance | Excellent — stable at extreme heat & RPM | Good — suitable for normal temperatures |
| Cold start | Better — reaches engine faster when cold | Good — adequate for normal climates |
| Change interval | Longer (up to 10,000 km) | Shorter (5,000–7,000 km typical) |
| Price | Higher | Lower |
Oil filter
Spec: Hiflofiltro HF650
- Premium Hiflofiltro HF650
- Premium K&N KN-650
Air filter
Spec: Hiflofiltro HFA6301
- Standard Hiflofiltro HFA6301
Spark plug
Spec: NGK LMAR9AI-8, gap 0.7-0.8 mm
- OEM NGK LMAR9AI-8
- Premium NGK LMAR9AI-8
- Standard NGK LMAR9AI-8
Front brake pads
Spec: OEM front pad (EBC equivalent: FA380HH)
- Premium EBC FA380HH
- Standard EBC FA380 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA213HH)
- Premium EBC FA213HH
- Standard EBC FA213 (organic)
Drive chain
Spec: 520er chain | Sprockets 16/45 teeth / 520er chain
Front sprocket
Spec: 16 teeth
Rear sprocket
Spec: 45 teeth
Front tire
Spec: 120/70 ZR17, 2.3 bar
- OEM OEM front: 120/70 ZR17
Rear tire
Spec: 180/55 ZR17, 2.6 bar
- OEM OEM rear: 180/55 ZR17
Battery
Spec: OEM battery: Yuasa YTZ14S
- OEM OEM battery: Yuasa YTZ10S
- Premium Yuasa YTZ10S
Brake fluid
Spec: DOT 4 / DOT 5.1
- Standard TotalEnergies HBF4
Coolant
Spec: 1.60 L coolant capacity
Service interval
Spec: 7 500 km / 12 months
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
Valve check
Spec: 15 000 km
- OEM Intake clearance: cold 0.10-0.15 mm
- OEM Exhaust clearance: cold 0.15-0.20 mm
Suspension
Spec: 470 +/- 5ml SAE 4
- OEM Fork oil grade: 470 +/- 5ml SAE 4
