Aprilia Tuono 125 (4T) — OEM Fluid, Tire Pressure & Maintenance Specs
124.2cc Liquid-Cooled 4-Stroke Single DOHC 4-Valve with Bosch ABS · Source: Aprilia Tuono 125 (4T) (2017–Present) Official Owner’s Manual Maintenance Specifications
According to the Aprilia Tuono 125 (4T) (2017–Present) Official Owner’s Manual Maintenance Specifications, the 2017–Present Aprilia Tuono 125 (4T) (chassis ZD4KCA00/ZD4XAA00) requires 1 L (1.06 US qt) of SAE 5W-40 (JASO MA2, API SN Full Synthetic 10W-50) engine oil for a drain-only change and 1.15 L (1.22 US qt) with filter service (Piaggio 82658R / HF563). Standard solo cold tire pressure is 190 kPa / 1.90 bar / 28 PSI front (100/80-17 52S) and 210 kPa / 2.10 bar / 30 PSI rear (140/70-17 66S), paired with 1× NGK MR8BI-8 spark plug(s) and a YTX7L-BS battery.
Drain only: 1 L (1.06 US qt)
R 210 kPa (2.10 bar)
Est. Range: ~529 km (329 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Wet Multi-Plate Manual Clutch NEVER use JASO MB |
|---|---|
| Recommended Viscosity & Grade | SAE 5W-40 (Alt: SAE 5W-40 (V4)) · JASO MA2 · API SN Full Synthetic 10W-50 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 1 L (1.06 US qt) • With filter/strainer: 1.15 L (1.22 US qt) • Complete dry overhaul: 1.3 L (1.37 US qt) |
| OEM Oil Filter Code & Type | Piaggio 82658R / HF563 |
| Correct Oil Level Check Method | Upright on level ground; screw dipstick ALL THE WAY IN, then remove to read level |
| Oil Drain Bolt Torque | 25 N·m (18.4 lb-ft / 2.55 kgf·m) — Use fresh crush washer |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 100/80-17 52S · Rear: 140/70-17 66S (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 190 kPa / 1.90 bar / 28 PSI Rear: 210 kPa / 2.10 bar / 30 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 200 kPa / 2.00 bar / 29 PSI Rear: 230 kPa / 2.30 bar / 33 PSI |
| OEM Spark Plug & Quantity | NGK MR8BI-8 × 1 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | YTX7L-BS (12V 6.0Ah MF AGM) |
| Final Drive Maintenance | 520 Sealed X-Ring Chain — Maintain 25–35 mm slack and clean/lubricate regularly |
| 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 | 124 cc · 15 hp @ 10,500 rpm · 11.2 N·m (8.3 lb-ft) @ 8,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 810 mm (31.9 in) · 144 kg (317 lbs) |
| Fuel Tank & Est. Real-World Range | 14.5 L (3.8 US gal) · ~36.5 km/L → ~529 km (329 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 6,000 km / 6,000 km • Air Filter / Spark Plug: 20,000 km / 20,000 km • Valve Clearance Check: 12,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Quarter-faired A1 hyper-naked sharing RS 125’s aluminum twin-spar frame, upgraded for 2021+ Euro 5 with a wider 140/70-17 rear tire and Marelli MIUG4 ECU.
Oil & Clutch Mechanical Engineering Note
Keep the high-RPM 124cc DOHC single protected with 1.15 L of full-synthetic SAE 5W-40 JASO MA2 and internal paper cartridge HF563.