BMW F 850 GS (EURO 4/5) (2018–2023) — Specs
Identity
Manufacturer: BMW
Model: F 850 GS (EURO 4/5)
Category: Motorcycle
Type: Motorcycle
Years: 2018 → 2023
Engine
Displacement (cc): 853
Cylinders: 2
Power (hp): 95
Power (kW): 70
Torque (Nm): 92
Dimensions
Overall length: 2305 mm
Overall width: 922 mm
Overall height: 1496 mm
Wheelbase: 1593 mm
Ground clearance: 230 mm
Weight (kg): 229
Seat height (mm): 860
Tank (L): 15
Tires
Front tire: 90/90-21
Rear tire: 150/70 R17
Front pressure (bar): 2.2
Rear pressure (bar): 2.5
Drivetrain
Drive chain: 525 chain
Sprockets (front / rear): 17 / 44
Ignition
Spark plug: NGK LMAR8J-9E
Plug gap: 0.7-0.9 mm
Fluids & Filters
Engine oil: SAE5W-40, API SJ
Engine oil (with filter, L): 3
Oil filter: Hiflofiltro HF160
Air filter: Hiflofiltro HFA7917
Brake fluid: DOT 4
Fuel consumption
Manufacturer / WMTC: 4.2 L/100 km
Real-world range: ~357 km on a full tank (15.0 L)
Note: real-world ±15-30% depending on riding style
Service
Battery: YTZ14S
Service interval (km): 10000
Service interval (months): 12
Valve check (km): 20000
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 10,000 km or 12 months, whichever comes first. Valve clearance check every 20,000 km. Valve clearance — intake cold 0.11-0.20 mm, exhaust cold 0.26-0.35 mm. Engine oil: oil grade SAE5W-40, API SJ, 3 L with filter change. Spark plug: NGK LMAR8J-9E (gap 0.7-0.9 mm). Brake fluid: DOT 4. Chain: chain, sprockets 17/44 teeth. Tire pressure: front 2.2 bar, rear 2.5 bar (cold). Tire size: front 90/90-21, rear 150/70 R17. 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 5W-40, 3.5 L (with filter)
- OEM OEM recommended engine oil (SAE 5W-40)
- 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 HF160
- Premium Hiflofiltro HF160
- Premium K&N KN-160
Air filter
Spec: Hiflofiltro HFA7917
- Standard Hiflofiltro HFA7917
Spark plug
Spec: NGK LMAR8B-9DS, gap 0.7-0.8 mm
- OEM NGK LMAR8B-9DS
- Premium NGK LMAR8B-9DS
- Standard NGK LMAR8B-9DS
Front brake pads
Spec: OEM front pad (EBC equivalent: FA630HH)
- Premium EBC FA630HH
- Standard EBC FA630 (organic)
Rear brake pads
Spec: OEM rear pad (EBC equivalent: FA174HH)
- Premium EBC FA174HH
- Standard EBC FA174 (organic)
Drive chain
Spec: chain | Sprockets 17/44 teeth
Front sprocket
Spec: 17 teeth
Rear sprocket
Spec: 44 teeth
Front tire
Spec: 90/90-21, 2.2 bar
- OEM OEM 90/90-21
Rear tire
Spec: 150/70 R17, 2.5 bar
- OEM OEM 150/70 R17
Battery
Spec: OEM battery: Yuasa YTZ14S
- OEM OEM battery: BMW HVT-02 (12V 11.5Ah)
- Premium BMW HVT-02 (12V 11.5Ah)
Brake fluid
Spec: DOT 4
- Standard TotalEnergies HBF4
Coolant
Service interval
Spec: 10 000 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: 20 000 km
- OEM Intake clearance: cold 0.11-0.20 mm
- OEM Exhaust clearance: cold 0.26-0.35 mm
Suspension
Spec: 43 mm USD fork / L:670 R:570 ml
- OEM Fork: 43 mm USD fork
- OEM Fork oil grade: L:670 R:570 ml
