BMW F 800 S (K71) — OEM Fluid, Tire Pressure & Maintenance Specs
798cc Liquid-Cooled Parallel-Twin DOHC 8-Valve (Clip-On · Belt Drive) · Source: BMW F 800 S (K71) (2006–2010) Official Owner’s Manual Maintenance Specifications
According to the BMW F 800 S (K71) (2006–2010) Official Owner’s Manual Maintenance Specifications, the 2006–2010 BMW F 800 S (K71) (chassis K71/0216) requires 2.7 L (2.85 US qt) of SAE 15W-50 (JASO MA2, API SL / BMW Advantec Ultimate 5W-40) engine oil for a drain-only change and 2.9 L (3.06 US qt) with filter service (11428562889 / HF160). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 PSI front (120/70 ZR17) and 290 kPa / 2.90 bar / 42 PSI rear (180/55 ZR17), paired with 2× NGK LMAR8J-9E / DCPR8E spark plug(s) and a YTX14-BS / YTZ14S battery.
Drain only: 2.7 L (2.85 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~392 km (244 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 15W-50 (Alt: SAE 15W-50 (구형 F800 Rotax)) · JASO MA2 · API SL / BMW Advantec Ultimate 5W-40 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.7 L (2.85 US qt) • With filter/strainer: 2.9 L (3.06 US qt) • Complete dry overhaul: 3.3 L (3.49 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 | 40 N·m (29.5 lb-ft / 4.08 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/70 ZR17 · Rear: 180/55 ZR17 (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 250 kPa / 2.50 bar / 36 PSI Rear: 290 kPa / 2.90 bar / 42 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 250 kPa / 2.50 bar / 36 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 | Lube-free Aramid Toothed Belt — Inspect eccentric rear hub play |
| 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 | 798 cc · 85 hp @ 8,000 rpm · 86 N·m (63.4 lb-ft) @ 5,800 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 820 mm (32.3 in) · 204 kg (450 lbs) |
| Fuel Tank & Est. Real-World Range | 16 L (4.2 US gal) · ~24.5 km/L → ~392 km (244 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
Inaugural 2006 F-series twin sporting clip-on bars, bikini half-fairing, single-sided swingarm, and toothed belt drive alongside a 2.9 L SAE 15W-50 wet clutch.
Oil & Clutch Mechanical Engineering Note
BMW F-series parallel-twin family (F 750/800/850/900 GS/R/XR) using semi-dry-sump lubrication and spin-on filter HF160.