Honda PCX 125 Gen 1 (JF28) — OEM Fluid, Tire Pressure & Maintenance Specs
125cc Liquid-Cooled Single SOHC 2V ACG Idling-Stop (Dry CVT) · Source: Honda PCX 125 Gen 1 (JF28) (2010–2013) Official Owner’s Manual Maintenance Specifications
According to the Honda PCX 125 Gen 1 (JF28) (2010–2013) Official Owner’s Manual Maintenance Specifications, the 2010–2013 Honda PCX 125 Gen 1 (JF28) (chassis JF28) requires 0.8 L (0.85 US qt) of SAE 10W-30 (JASO MB, API SJ or higher) engine oil for a drain-only change and 0.8 L (0.85 US qt) with filter service (15421-KPL-900 (Oil Strainer Screen)). Standard solo cold tire pressure is 200 kPa / 2.00 bar / 29 PSI front (90/90-14 M/C 46P) and 225 kPa / 2.25 bar / 33 PSI rear (100/90-14 M/C 57P), paired with 1× NGK CPR8EA-9 / MR8C-9N spark plug(s) and a YTZ7S / YTX7L-BS battery.
Drain only: 0.8 L (0.85 US qt)
R 225 kPa (2.25 bar)
Est. Range: ~260 km (162 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Dry Centrifugal CVT Belt Drive |
|---|---|
| Recommended Viscosity & Grade | SAE 10W-30 (Alt: SAE 10W-40) · JASO MB · API SJ or higher |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 0.8 L (0.85 US qt) • With filter/strainer: 0.8 L (0.85 US qt) • Complete dry overhaul: 0.9 L (0.95 US qt) |
| OEM Oil Filter Code & Type | 15421-KPL-900 (Oil Strainer Screen) |
| Correct Oil Level Check Method | Hold upright on level ground; rest dipstick UNTHREADED on filler neck (do NOT screw in) |
| Oil Drain Bolt Torque | 24 N·m (17.7 lb-ft / 2.45 kgf·m) — Use fresh crush washer |
| Final Drive / Bevel Gear Oil | 120 ml (0.12 L) — SAE 10W-30 JASO MB (120 ml final reduction gear oil) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 90/90-14 M/C 46P · Rear: 100/90-14 M/C 57P (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 225 kPa / 2.25 bar / 33 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 CPR8EA-9 / MR8C-9N × 1 (Gap: 0.8–0.9 mm) |
| OEM Battery Code & Rating | YTZ7S / YTX7L-BS (12V 6.0Ah MF AGM) |
| Final Drive Maintenance | Dry V-Belt CVT Drive — Inspect/replace V-belt and rollers every 20,000–24,000 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 | 125 cc · 11.7 hp @ 8,500 rpm · 11.7 N·m (8.6 lb-ft) @ 6,000 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 760 mm (29.9 in) · 128 kg (282 lbs) |
| Fuel Tank & Est. Real-World Range | 5.9 L (1.6 US gal) · ~44 km/L → ~260 km (162 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 12,000 km • Air Filter / Spark Plug: 18,000 km / 12,000 km • Valve Clearance Check: 12,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
First-generation halogen-headlight PCX with a 5.9 L tank and narrow 90/90-14 & 100/90-14 tires; mid-2012 JF28 updates introduced the low-friction eSP top end.
Oil & Clutch Mechanical Engineering Note
Honda small-displacement dry-CVT scooter platform requiring low-friction SAE 10W-30 JASO MB oil plus 120 ml rear gear oil; measure dipstick resting unscrewed.