Vespa S 150 ie / S 150 3V — OEM Fluid, Tire Pressure & Maintenance Specs
154.8cc Forced Air-Cooled Single SOHC EFI · Source: Vespa S 150 ie / S 150 3V (2009–2016) Official Owner’s Manual Maintenance Specifications
According to the Vespa S 150 ie / S 150 3V (2009–2016) Official Owner’s Manual Maintenance Specifications, the 2009–2016 Vespa S 150 ie / S 150 3V (chassis ZAPM68200/ZAPM68401) requires 1.05 L (1.11 US qt) of SAE 5W-40 (JASO MA2, API SL / ACEA A3 Full Synthetic 5W-40) engine oil for a drain-only change and 1.2 L (1.27 US qt) with filter service (Piaggio 82635R / HF183). Standard solo cold tire pressure is 160 kPa / 1.60 bar / 23 PSI front (110/70-11 45L) and 200 kPa / 2.00 bar / 29 PSI rear (120/70-10 54L), paired with 1× NGK CR8EB / MR7BI-8 spark plug(s) and a YTX7L-BS / YB9-B battery.
Drain only: 1.05 L (1.11 US qt)
R 200 kPa (2.00 bar)
Est. Range: ~281 km (175 mi)
1. Engine Lubrication, Filter & Clutch Specifications
| Clutch Architecture | Dry Centrifugal CVT Belt Drive |
|---|---|
| Recommended Viscosity & Grade | SAE 5W-40 · JASO MA2 · API SL / ACEA A3 Full Synthetic 5W-40 |
| Oil Volume (Drain / With Filter / Overhaul) |
• Drain only: 1.05 L (1.11 US qt) • With filter/strainer: 1.2 L (1.27 US qt) • Complete dry overhaul: 1.35 L (1.43 US qt) |
| OEM Oil Filter Code & Type | Piaggio 82635R / HF183 |
| Correct Oil Level Check Method | Upright on level ground; screw dipstick ALL THE WAY IN, then remove to read level |
| Oil Drain Bolt Torque | 24 N·m (17.7 lb-ft / 2.45 kgf·m) — Use fresh crush washer |
| Final Drive / Bevel Gear Oil | 200 ml (0.20 L) — SAE 80W-90 GL-4/GL-5 (200–270 ml rear hub gear oil) |
2. Cold Tire Pressures, Wheels, Ignition & Drivetrain
| Front / Rear OEM Tire Sizes | Front: 110/70-11 45L · Rear: 120/70-10 54L (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 160 kPa / 1.60 bar / 23 PSI Rear: 200 kPa / 2.00 bar / 29 PSI |
| Cold Tire Pressure — 2-Up / Loaded Touring |
Front: 180 kPa / 1.80 bar / 26 PSI Rear: 220 kPa / 2.20 bar / 32 PSI |
| OEM Spark Plug & Quantity | NGK CR8EB / MR7BI-8 × 1 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | YTX7L-BS / YB9-B (12V 6.0–9.0Ah AGM) |
| Final Drive Maintenance | Dry Centrifugal V-Belt CVT — Inspect/replace V-belt and rollers every 15,000–20,000 km |
| Brake Fluid & Coolant | DOT 4 · Air/Oil-Cooled Engine (No liquid coolant) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 155 cc · 12.7 hp @ 7,750 rpm · 12.8 N·m (9.4 lb-ft) @ 6,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 785 mm (30.9 in) · 115 kg (254 lbs) |
| Fuel Tank & Est. Real-World Range | 7.5 L (2.0 US gal) · ~37.5 km/L → ~281 km (175 mi) |
| OEM Scheduled Maintenance Intervals |
• First Break-In: 1,000 km • Engine Oil / Filter: 10,000 km / 10,000 km • Air Filter / Spark Plug: 10,000 km / 10,000 km • Valve Clearance Check: 20,000 km |
4. Generation Cutoffs & Real-World Wrenching Gotchas
Model-Year & Chassis Generation Notes
Direct predecessor to the Sprint 150 featuring an open front legshield pocket and square headlamp, transitioning from 2V LEADER to 3V EFI in 2013.
Oil & Clutch Mechanical Engineering Note
Both 2V LEADER and 3V engines share spin-on filter 82635R and ~1.2 L of synthetic SAE 5W-40 oil, though spark plug and battery sizes differ by year.