Honda Shadow 750 Phantom / Aero (RC50 / RC53) — OEM Fluid, Tire Pressure & Maintenance Specs
745cc Liquid-Cooled 52° V-Twin SOHC 6V Twin-Spark + Shaft Drive · Source: Honda Shadow 750 Phantom / Aero (RC50 / RC53) (2004–2023) Official Owner’s Manual Maintenance Specifications
According to the Honda Shadow 750 Phantom / Aero (RC50 / RC53) (2004–2023) Official Owner’s Manual Maintenance Specifications, the 2004–2023 Honda Shadow 750 Phantom / Aero (RC50 / RC53) (chassis RC50/RC53) requires 2.2 L (2.32 US qt) of SAE 10W-30 (JASO MA, API SG/SJ or higher) engine oil for a drain-only change and 2.4 L (2.54 US qt) with filter service (15410-MCJ-000 / HF204). Standard solo cold tire pressure is 200 kPa / 2.00 bar / 29 PSI front (120/90-17M/C 64S) and 200 kPa / 2.00 bar / 29 PSI rear (160/80-15M/C 74S), paired with 4× NGK DPR7EA-9 / DPR8EA-9 spark plug(s) and a YTZ14S / YTX14-BS battery.
Drain only: 2.2 L (2.32 US qt)
R 200 kPa (2.00 bar)
Est. Range: ~301 km (187 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 SG/SJ or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 2.2 L (2.32 US qt) • With filter/strainer: 2.4 L (2.54 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 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 |
| Final Drive / Bevel Gear Oil | 160 ml (0.16 L) — SAE 80W-90 Hypoid Gear Oil (shaft models) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 120/90-17M/C 64S · Rear: 160/80-15M/C 74S (Tube-Type Spoke Rim) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 200 kPa / 2.00 bar / 29 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 250 kPa / 2.50 bar / 36 PSI |
| OEM Spark Plug & Quantity | NGK DPR7EA-9 / DPR8EA-9 × 4 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ14S / YTX14-BS (12V 11.2–12Ah MF AGM) |
| Final Drive Maintenance | Enclosed Shaft Drive — Replace hypoid final-drive gear oil (SAE 80W-90 GL-5) on schedule |
| 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 · 45.5 hp @ 5,500 rpm · 65 N·m (47.9 lb-ft) @ 3,500 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 655 mm (25.8 in) · 249 kg (549 lbs) |
| Fuel Tank & Est. Real-World Range | 14 L (3.7 US gal) · ~21.5 km/L → ~301 km (187 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 / 16,000 km • Valve Clearance Check: 24,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Shaft-driven 745cc V-twin cruiser family spanning classic deep-fender Aero (RC50) and blacked-out PGM-FI bobber Phantom (RC53, 2010+), riding on spoked tube-type rims.
Oil & Clutch Mechanical Engineering Note
Honda V-twin cruiser family (Shadow 750/1100, Fury, VTX) running twin-spark cylinder heads (4 plugs) and SAE 10W-30/10W-40 JASO MA oil.