Honda NC750X Manual (RC90 / RH09 MT) — OEM Fluid, Tire Pressure & Maintenance Specs
745cc Liquid-Cooled Parallel-Twin SOHC 8V 270° 6-Speed Manual · Source: Honda NC750X Manual (RC90 / RH09 MT) (2016–Present) Official Owner’s Manual Maintenance Specifications
According to the Honda NC750X Manual (RC90 / RH09 MT) (2016–Present) Official Owner’s Manual Maintenance Specifications, the 2016–Present Honda NC750X Manual (RC90 / RH09 MT) (chassis RC90/RH09) requires 3.1 L (3.28 US qt) of SAE 10W-30 (JASO MA, API SJ or higher) engine oil for a drain-only change and 3.2 L (3.38 US qt) with filter service (15410-MCJ-000 / HF204). Standard solo cold tire pressure is 250 kPa / 2.50 bar / 36 PSI front (120/70ZR17 M/C (58W)) and 290 kPa / 2.90 bar / 42 PSI rear (160/60ZR17 M/C (69W)), paired with 2× NGK IFR6G-11K spark plug(s) and a YTZ14S / YTZ12S battery.
Drain only: 3.1 L (3.28 US qt)
R 290 kPa (2.90 bar)
Est. Range: ~409 km (254 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: 3.1 L (3.28 US qt) • With filter/strainer: 3.2 L (3.38 US qt) • Complete dry overhaul: 3.7 L (3.91 US qt) |
| OEM Oil Filter Code & Type | 15410-MCJ-000 / HF204 |
| Correct Oil Level Check Method | Hold upright on level ground; rest dipstick UNTHREADED on filler neck (do NOT screw in) |
| 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: 120/70ZR17 M/C (58W) · Rear: 160/60ZR17 M/C (69W) (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 IFR6G-11K × 2 (Gap: 1.0–1.1 mm) |
| OEM Battery Code & Rating | YTZ14S / YTZ12S (12V 11.2Ah 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 | 745 cc · 58.6 hp @ 6,750 rpm · 69 N·m (50.9 lb-ft) @ 4,750 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 800 mm (31.5 in) · 214 kg (472 lbs) |
| Fuel Tank & Est. Real-World Range | 14.1 L (3.7 US gal) · ~29 km/L → ~409 km (254 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 12,000 km / 24,000 km • Air Filter / Spark Plug: 24,000 km / 48,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
6-speed manual version weighing 10 kg less than the DCT model (214 kg wet) with an assist/slipper clutch and only a single spin-on filter HF204 (3.2 L refill).
Oil & Clutch Mechanical Engineering Note
Honda 745cc DCT twin platform (NC750X/S, Integra, Forza 750, X-ADV) requiring JASO MA oil and dual filters (spin-on HF204 + DCT element HF117).