KTM 450 SX-F (2017) — Specs
Identity
Manufacturer: KTM
Model: 450 SX-F
Category: MX-Offroad
Type: MX-Offroad
Years: 2017 → 2017
Engine
Displacement (cc): 450
Cylinders: 1
Torque (Nm): 49
Dimensions
Overall length: 2185 mm
Overall width: 825 mm
Overall height: 1280 mm
Wheelbase: 1490 mm
Ground clearance: 370 mm
Weight (kg): 100
Tires
Front tire: 80/100-21
Rear tire: 120/80-19
Drivetrain
Sprockets (front / rear): 13 / 48
Ignition
Spark plug: NGK LMAR9AI-8
Plug gap: 0.7 mm
Fluids & Filters
Engine oil: SAE10W-50, JASO MA
Engine oil (with filter, L): 1.2
Oil filter: Hiflofiltro HF652
Air filter: Hiflofiltro HFA6101
Coolant (L): 1.2
Brake fluid: DOT 4
Service
Battery: YTX5L-BS
Service interval (km): 6000
Service interval (months): 12
Valve check (km): 12000
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 6,000 km or 12 months, whichever comes first. Valve clearance check every 12,000 km. Valve clearance — intake cold 0.10-0.15 mm, exhaust cold 0.12-0.17 mm. Engine oil: oil grade SAE10W-50, JASO MA, 1.2 L with filter change. Spark plug: NGK LMAR9AI-8. Brake fluid: DOT 4. Coolant capacity: 1.2 L. Chain: chain 5/8X1/4 520, sprockets 13/48 teeth. Tire size: front 80/100-21, rear 120/80-19. 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: SAE10W-50, JASO MA, 1.2 L (with filter)
- OEM OEM recommended engine oil (SAE 10W-50)
- 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 |
- Standard Repsol Moto Racing 4T (Synthetic)
- Standard Elf Moto 4 Tech (Semi-Synthetic)
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 HF652
- Premium Hiflofiltro HF652
- Premium K&N KN-652
Air filter
Spec: Hiflofiltro HFA6101
- Standard Hiflofiltro HFA6101
Spark plug
Spec: NGK LMAR9AI-8
- OEM NGK LMAR9AI-8
- Premium NGK LMAR9AIIX-8
- Standard NGK LMAR9AI-8
Front brake pads
Spec: OEM front pad (EBC equivalent: FA181HH)
- Premium EBC FA181HH
- Standard EBC FA181 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA192HH)
- Premium EBC FA192HH
- Standard EBC FA192 (organic)
Drive chain
Spec: chain 5/8X1/4 520 | Sprockets 13/48 teeth / chain 5/8X1/4 520
Front tire
Spec: 80/100-21
- OEM OEM 80/100-21
Rear tire
Spec: 120/80-19
- OEM OEM 120/80-19
Battery
Spec: OEM battery: Yuasa YTX5L-BS
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 1.20 L coolant capacity
Service interval
Spec: 6 000 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: 12 000 km
- OEM Intake clearance: cold 0.10-0.15 mm
- OEM Exhaust clearance: cold 0.12-0.17 mm
Suspension
Spec: 48 mm USD fork / SAE 4W
- OEM Fork: 48 mm USD fork
- OEM Fork oil grade: SAE 4W
