BMW G 450 X (K16 Enduro) — OEM Fluid, Tire Pressure & Maintenance Specs
449.5cc Liquid-Cooled Forward-Inclined Single DOHC 4-Valve · Source: BMW G 450 X (K16 Enduro) (2008–2011) Official Owner’s Manual Maintenance Specifications
According to the BMW G 450 X (K16 Enduro) (2008–2011) Official Owner’s Manual Maintenance Specifications, the 2008–2011 BMW G 450 X (K16 Enduro) (chassis K16/0143) requires 0.95 L (1.00 US qt) of SAE 10W-50 (JASO MA2, API SJ / BMW Advantec Pro 15W-50) engine oil for a drain-only change and 1.05 L (1.11 US qt) with filter service (11427715466 / HF611). Standard solo cold tire pressure is 150 kPa / 1.50 bar / 22 PSI front (90/90-21) and 150 kPa / 1.50 bar / 22 PSI rear (140/80-18), paired with 1× NGK LMAR9D-J spark plug(s) and a YTX9-BS battery.
Drain only: 0.95 L (1.00 US qt)
R 150 kPa (1.50 bar)
Est. Range: ~160 km (99 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-50 · JASO MA2 · API SJ / BMW Advantec Pro 15W-50 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 0.95 L (1.00 US qt) • With filter/strainer: 1.05 L (1.11 US qt) • Complete dry overhaul: 1.2 L (1.27 US qt) |
| OEM Oil Filter Code & Type | 11427715466 / HF611 |
| Correct Oil Level Check Method | Hold bike upright on level ground 3–5 min after warm shutdown; read crankcase sight glass |
| Oil Drain Bolt Torque | 20 N·m (14.8 lb-ft / 2.04 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 90/90-21 · Rear: 140/80-18 (Tube-Type Spoke Rim) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 150 kPa / 1.50 bar / 22 PSI Rear: 150 kPa / 1.50 bar / 22 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 180 kPa / 1.80 bar / 26 PSI Rear: 180 kPa / 1.80 bar / 26 PSI |
| OEM Spark Plug & Quantity | NGK LMAR9D-J × 1 (Gap: 0.8 mm) |
| OEM Battery Code & Rating | YTX9-BS (12V 8.0Ah MF AGM) |
| Final Drive Maintenance | 520 Sealed X-Ring Chain — Maintain 25–35 mm slack and clean/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 | 450 cc · 51 hp @ 9,000 rpm · 44 N·m (32.5 lb-ft) @ 7,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 955 mm (37.6 in) · 120 kg (265 lbs) |
| Fuel Tank & Est. Real-World Range | 8 L (2.1 US gal) · ~20 km/L → ~160 km (99 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 500 km • Engine Oil / Filter: 1,500 km / 1,500 km • Air Filter / Spark Plug: 1,500 km / 5,000 km • Valve Clearance Check: 3,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Radical K16 competition enduro mounting the countershaft sprocket concentrically around the swingarm pivot for constant chain tension throughout travel.
Oil & Clutch Mechanical Engineering Note
BMW reverse-inclined 313cc single (G 310 R / GS) taking 1.65 L of SAE 15W-50 JASO MA2 with spin-on filter HF160.