Kawasaki KX 450 F (2018) — Specs
Identity
Engine
Dimensions
Tires
Drivetrain
Ignition
Fluids & Filters
Service
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 0.17-0.22 mm. Engine oil: oil grade SAE5W-40, 10W-40, API SG, 0.9 L with filter change. Spark plug: NGK CPR8EB-9 STD. (gap 0.8-0.9 mm). Brake fluid: DOT 4. Coolant capacity: 1.1 L. Chain: 114 links 520, sprockets 13/50 teeth. Tire pressure: front 0.8 bar, rear 0.8 bar (cold). 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.
- OEM OEM recommended engine oil (SAE 5W-40)
- Premium Motul 7100 4T (100% Synthetic, Ester)
- Premium Motul 5100 4T Technosynthese (Semi-Synthetic)
| 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 | 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 |
- Premium Hiflofiltro HF207
- Premium K&N KN-207
- Standard Hiflofiltro HFA2402
- OEM NGK CPR8EB-9
- Premium NGK CPR9EB-9
- Standard NGK CPR8EB-9
- Premium EBC FA185HH
- Standard EBC FA185 (organic)
- Premium EBC FA208HH
- Standard EBC FA208 (organic)
- OEM OEM 80/100-21
- OEM OEM 120/80-19
- Standard TotalEnergies HBF4
- OEM Engine oil + oil filter change
- OEM Air filter inspection
- OEM Spark plug check
- OEM Brake fluid replacement: every 2 years
- OEM Intake clearance: cold 0.10-0.15 mm
- OEM Exhaust clearance: cold 0.17-0.22 mm
- OEM Fork: 49 mm USD fork
