BMW R 1300 RS (KA5) — OEM Fluid, Tire Pressure & Maintenance Specs
1,300cc Air/Liquid-Cooled Boxer Twin ShiftCam · Source: BMW R 1300 RS (KA5) (2025–Present) Official Owner’s Manual Maintenance Specifications
According to the BMW R 1300 RS (KA5) (2025–Present) Official Owner’s Manual Maintenance Specifications, the 2025–Present BMW R 1300 RS (KA5) (chassis KA5/0M61) requires 3.7 L (3.91 US qt) of SAE 5W-40 (JASO MA2, API SL / BMW Advantec Ultimate 5W-40) engine oil for a drain-only change and 4.1 L (4.33 US qt) with filter service (11425B69258). 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 (190/55 ZR17), paired with 2× NGK LMAR8D-J / LMAR8AI-10 spark plug(s) and a YTZ14S / BMW AGM 12Ah battery.
Drain only: 3.7 L (3.91 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~354 km (220 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 5W-40 · JASO MA2 · API SL / BMW Advantec Ultimate 5W-40 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 3.7 L (3.91 US qt) • With filter/strainer: 4.1 L (4.33 US qt) • Complete dry overhaul: 4.6 L (4.86 US qt) |
| OEM Oil Filter Code & Type | 11425B69258 |
| 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 | 42 N·m (31.0 lb-ft / 4.28 kgf·m) — Use fresh crush washer |
| Final Drive / Bevel Gear Oil | 180 ml (0.18 L) — Hypoid Axle Oil G3 SAE 70W-80 / 75W-90 (180 ml exact) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/70 ZR17 · Rear: 190/55 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 LMAR8D-J / LMAR8AI-10 × 2 (Gap: 0.8–1.0 mm) |
| OEM Battery Code & Rating | YTZ14S / BMW AGM 12Ah (12V 12.0Ah MF AGM) |
| Final Drive Maintenance | Cardan Shaft Final Drive — Replace rear bevel-gear hypoid oil at exact measured volume |
| 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 | 1300 cc · 145 hp @ 7,750 rpm · 149 N·m (109.9 lb-ft) @ 6,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 790 mm (31.1 in) · 245 kg (540 lbs) |
| Fuel Tank & Est. Real-World Range | 17 L (4.5 US gal) · ~20.8 km/L → ~354 km (220 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
KA5 next-gen Boxer sport-tourer offering radar-assisted riding aids, Dynamic Suspension Adjustment (DSA), optional ASA clutchless shifting, and 4.1 L SAE 5W-40 service.
Oil & Clutch Mechanical Engineering Note
BMW liquid-cooled/ShiftCam Boxer family (K50/K51 R 1200/1250 & KA1 R 1300) running wet-clutch SAE 5W-40 JASO MA2 (4.0 L) plus 180 ml shaft bevel oil.