BMW F 850 GS Adventure (K82) — OEM Fluid, Tire Pressure & Maintenance Specs
853cc Liquid-Cooled Parallel-Twin DOHC 8-Valve Semi-Dry-Sump · Source: BMW F 850 GS Adventure (K82) (2019–2023) Official Owner’s Manual Maintenance Specifications
According to the BMW F 850 GS Adventure (K82) (2019–2023) Official Owner’s Manual Maintenance Specifications, the 2019–2023 BMW F 850 GS Adventure (K82) (chassis K82/0K01) requires 2.8 L (2.96 US qt) of SAE 5W-40 (JASO MA2, API SL / BMW Advantec Ultimate 5W-40) engine oil for a drain-only change and 3 L (3.17 US qt) with filter service (11428562889 / HF160). Standard solo cold tire pressure is 220 kPa / 2.20 bar / 32 PSI front (90/90-21) and 250 kPa / 2.50 bar / 36 PSI rear (150/70 R17), paired with 2× NGK LMAR8J-9E / DCPR8E spark plug(s) and a YTX14-BS / YTZ14S battery.
Drain only: 2.8 L (2.96 US qt)
R 250 kPa (2.50 bar)
Est. Range: ~534 km (332 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 5W-40 (Alt: SAE 15W-50 (구형 F800 Rotax)) · JASO MA2 · API SL / BMW Advantec Ultimate 5W-40 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.8 L (2.96 US qt) • With filter/strainer: 3 L (3.17 US qt) • Complete dry overhaul: 3.5 L (3.70 US qt) |
| OEM Oil Filter Code & Type | 11428562889 / HF160 |
| Correct Oil Level Check Method | Hold upright on level ground; rest dipstick UNTHREADED on filler neck (do NOT screw in) |
| Oil Drain Bolt Torque | 38 N·m (28.0 lb-ft / 3.87 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 90/90-21 · Rear: 150/70 R17 (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 220 kPa / 2.20 bar / 32 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 240 kPa / 2.40 bar / 35 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| OEM Spark Plug & Quantity | NGK LMAR8J-9E / DCPR8E × 2 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTX14-BS / YTZ14S (12V 12.0Ah MF AGM) |
| Final Drive Maintenance | 525 Heavy-Duty X-Ring Chain — Maintain 25–35 mm slack and lubricate regularly |
| Brake Fluid & Coolant | DOT 4 · OAT ethylene-glycol coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 853 cc · 95 hp @ 8,250 rpm · 92 N·m (67.9 lb-ft) @ 6,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 875 mm (34.4 in) · 244 kg (538 lbs) |
| Fuel Tank & Est. Real-World Range | 23 L (6.1 US gal) · ~23.2 km/L → ~534 km (332 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 10,000 km / 10,000 km • Air Filter / Spark Plug: 20,000 km / 20,000 km • Valve Clearance Check: 20,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Long-range expedition variant of the K81 launched for 2019 with a 23 L tank, adjustable touring screen, factory stainless crash bars, and reinforced rear rack.
Oil & Clutch Mechanical Engineering Note
Built for heavy luggage loads at 244 kg wet, its self-reinforcing anti-hopping clutch depends on clean SAE 5W-40 JASO MA2 synthetic oil (3.0 L) changed with filter HF160.
Garage Wrenching Gotchas
- Reaching the airbox and NGK LMAR8J-9E plugs requires removing the wide 23 L tank shrouds—bag and label the mixed-length Torx fasteners carefully.
- Tap-check the tubeless cross-spoke wheels every 10,000 km or after rocky trail rides to catch loose spoke nipples before rim runout develops.
5. Frequently Asked Questions (FAQ)
What oil volume, JASO grade, and oil filter code does the BMW F 850 GS Adventure (K82) (2019–2023) require?
Because its wet multi-plate clutch shares engine oil with the gearbox, run SAE 5W-40 (JASO MA2) at 2.8 L (2.96 US qt) drain-only and 3 L (3.17 US qt) with filter (11428562889 / HF160).
How do you accurately check the oil level on the F 850 GS Adventure (K82), and what are its service intervals?
Hold the bike upright on level ground 2–3 minutes after shutdown, wipe the dipstick, and rest it on the filler threads without screwing it in (threading it in reads artificially high and risks oil starvation). Torque the drain plug to 38 N·m with a new crush washer. Factory oil change intervals are every 10,000 km, with valve clearance inspection every 20,000 km.
What are the cold tire pressures, puncture repair type, seat height, and range of the F 850 GS Adventure (K82)?
Fitted with 90/90-21 front and 150/70 R17 rear tubeless rims (compatible with roadside plug kits), set cold tire pressures to 32 / 36 PSI (220/250 kPa) solo or 35 / 42 PSI loaded. Seat height is 875 mm (34.4 in) at 244 kg wet weight, delivering ~534 km per 23 L tank.