Honda CB400X (NC47 / NC56) — OEM Fluid, Tire Pressure & Maintenance Specs
399cc Liquid-Cooled Parallel-Twin DOHC 8V Crossover · Source: Honda CB400X (NC47 / NC56) (2013–2023) Official Owner’s Manual Maintenance Specifications
According to the Honda CB400X (NC47 / NC56) (2013–2023) Official Owner’s Manual Maintenance Specifications, the 2013–2023 Honda CB400X (NC47 / NC56) (chassis NC47/NC56) requires 2.5 L (2.64 US qt) of SAE 10W-30 (JASO MA, API SJ or higher) engine oil for a drain-only change and 2.7 L (2.85 US qt) with filter service (15410-MCJ-000 / HF204). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 PSI front (110/80R19M/C 59H) and 290 kPa / 2.90 bar / 42 PSI rear (160/60R17M/C 69H), paired with 2× NGK CPR8EA-9 spark plug(s) and a YTZ8V / YTZ10S battery.
Drain only: 2.5 L (2.64 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~485 km (301 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-30 (Alt: SAE 10W-40) · JASO MA · API SJ or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.5 L (2.64 US qt) • With filter/strainer: 2.7 L (2.85 US qt) • Complete dry overhaul: 3.2 L (3.38 US qt) |
| OEM Oil Filter Code & Type | 15410-MCJ-000 / HF204 |
| 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 | 30 N·m (22.1 lb-ft / 3.06 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 110/80R19M/C 59H · Rear: 160/60R17M/C 69H (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 CPR8EA-9 × 2 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ8V / YTZ10S (12V 7.0–8.6Ah MF AGM) |
| Final Drive Maintenance | 520 Sealed O/X-Ring Chain — Maintain 25–35 mm slack and lube every 800–1,000 km |
| Brake Fluid & Coolant | DOT 4 · Silicate-free ethylene-glycol OAT coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 399 cc · 46 hp @ 9,000 rpm · 38 N·m (28.0 lb-ft) @ 7,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 800 mm (31.5 in) · 199 kg (439 lbs) |
| Fuel Tank & Est. Real-World Range | 17 L (4.5 US gal) · ~28.5 km/L → ~485 km (301 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 12,000 km / 24,000 km • Air Filter / Spark Plug: 18,000 km / 24,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Short-stroke 399cc Japanese/Singaporean twin sibling to the CB500X; gained a 19-inch front wheel and slipper clutch in 2019 (NC56) and USD forks + dual discs in 2022.
Oil & Clutch Mechanical Engineering Note
Honda’s bulletproof 471cc parallel-twin family (CB500F/X, NX500, CBR500R, CL500, Rebel 500) using 2.7 L of SAE 10W-30 JASO MA with filter HF204.