Yamaha WR 450 F (2023) — Specs
Identity
Manufacturer: Yamaha
Model: WR 450 F
Category: MX-Offroad
Type: MX-Offroad
Years: 2023 → 2023
Engine
Displacement (cc): 450
Cylinders: 1
Torque (Nm): 49
Dimensions
Overall length: 2185 mm
Overall width: 825 mm
Overall height: 1310 mm
Wheelbase: 1480 mm
Ground clearance: 330 mm
Weight (kg): 119
Seat height (mm): 955
Tank (L): 7.9
Tires
Front tire: 80/100-21
Rear tire: 110/100-18
Front pressure (bar): 1
Rear pressure (bar): 1
Drivetrain
Drive chain: chain drive 520
Ignition
Spark plug: NGK LMAR8G
Plug gap: 0.7-0.8 mm
Fluids & Filters
Engine oil: 10W-40, 15W-40, 20W-40, API SG
Oil filter: Hiflofiltro HF140
Air filter: Hiflofiltro HFA4905
Coolant (L): 1.03
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 10W-40, 15W-40, 20W-40, API SG. Spark plug: NGK LMAR8G (gap 0.7-0.8 mm). Brake fluid: DOT 4. Coolant capacity: 1.03 L. Chain: chain drive 520. Tire pressure: front 1 bar, rear 1 bar (cold). Tire size: front 80/100-21, rear 110/100-18. 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: 10W-40, 15W-40, 20W-40, API SG
- 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 |
- 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 HF140
- Premium Hiflofiltro HF140
- Premium K&N KN-140
Air filter
Spec: Hiflofiltro HFA4905
- Standard Hiflofiltro HFA4905
Spark plug
Spec: NGK LMAR8G, gap 0.7-0.8 mm
- OEM NGK LMAR8G
- Premium NGK LMAR8GIX
- Standard NGK LMAR8G
Front brake pads
Spec: OEM front pad (EBC equivalent: FA185HH)
- Premium EBC FA185HH
- Standard EBC FA185 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA208HH)
- Premium EBC FA208HH
- Standard EBC FA208 (organic)
Drive chain
Spec: chain drive 520 | chain drive 520
Front tire
Spec: 80/100-21, 1.0 bar
- OEM OEM 80/100-21
Rear tire
Spec: 110/100-18, 1.0 bar
- OEM OEM 110/100-18
Battery
Spec: OEM battery: Yuasa YTX5L-BS
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Spec: 1.03 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
Suspension
Spec: 48 mm USD fork
- OEM Fork: 48 mm USD fork
