KTM 450 EXC-F SIX DAYS (2018) — Specs
Identity
Manufacturer: KTM
Model: 450 EXC-F SIX DAYS
Category: Off-Road Bike
Type: Off-Road Bike
Years: 2018 → 2018
Engine
Displacement (cc): 450
Cylinders: 1
Torque (Nm): 47
Dimensions
Overall length: 2275 mm
Overall width: 820 mm
Overall height: 1290 mm
Wheelbase: 1485 mm
Ground clearance: 350 mm
Tires
Front tire: 90/90-21
Rear tire: 140/80-18
Drivetrain
Drive chain: chain 5/8 X 1/4
Ignition
Spark plug: NGK LMAR9AI-10
Fluids & Filters
Engine oil: SAE10W-50
Oil filter: Hiflofiltro HF652
Air filter: Hiflofiltro HFA6101
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. Engine oil: oil grade SAE10W-50. Spark plug: NGK LMAR9AI-10. Brake fluid: DOT 4. Chain: chain 5/8 X 1/4. Tire size: front 90/90-21, rear 140/80-18. 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
- OEM OEM recommended engine oil (SAE 10W-50)
- Premium Motul 7100 4T (100% Synthetic, Ester)
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
- OEM OEM oil filter
- Premium Hiflofiltro HF652
Spark plug
Spec: NGK LMAR9AI-10
- OEM NGK LMAR9AI-10
- Premium NGK LMAR9AIIX-10
Front brake pads
Spec: OEM front pad (EBC equivalent: FA181HH)
- OEM OEM front brake pads
- Premium Brembo Z04 / SC
- Premium EBC FA181HH
- Standard EBC FA181 (organic)
- Standard Ferodo Platinum
- Standard TRW Lucas Sintered
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA192HH)
- OEM OEM rear brake pads
- Premium Brembo SP
- Premium EBC FA192HH
- Standard EBC FA192 (organic)
- Standard Ferodo Platinum
- Standard TRW Lucas
Front tire
Spec: 90/90-21
- OEM OEM 90/90-21
- Premium Michelin Road / Power
Rear tire
Spec: 140/80-18
- OEM OEM 140/80-18
- Premium Michelin Road / Power
Brake fluid
Spec: DOT 4
- OEM OEM recommended brake fluid (DOT 4)
- Premium Motul RBF 600 / 660
Coolant
- OEM OEM recommended coolant
- Premium Motul Motocool Factory Line
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
Suspension
Spec: 48 mm USD fork
- OEM Fork: 48 mm USD fork
Air filter
- OEM OEM air filter (consult workshop manual)
- Premium K&N Replacement Air Filter
- Premium DNA High Performance
- Standard Hiflofiltro air filter – check by VIN
- Standard Champion CAF
Drive chain
- OEM OEM chain (matches OEM pitch and length)
- Premium DID VX3 X-Ring
- Premium DID ZVM-X Pro
- Standard JT Sprockets HDR
- Standard AFAM A5
Battery
- OEM OEM battery specification
- Premium Yuasa YTX / YTZ
- Premium Motobatt Quadflex
- Standard Exide AGM
- Standard Varta Powersports
