Vespa GTS 310 / GTS 310 SuperSport — OEM Fluid, Tire Pressure & Maintenance Specs
310cc Liquid-Cooled Single SOHC 4-Valve Euro 5+ Long-Stroke Engine · Source: Vespa GTS 310 / GTS 310 SuperSport (2025–Present) Official Owner’s Manual Maintenance Specifications
According to the Vespa GTS 310 / GTS 310 SuperSport (2025–Present) Official Owner’s Manual Maintenance Specifications, the 2025–Present Vespa GTS 310 / GTS 310 SuperSport (chassis ZAPMD3300/MD310) requires 1.2 L (1.27 US qt) of SAE 5W-40 (JASO MA2, API SL / ACEA A3 Full Synthetic 5W-40) engine oil for a drain-only change and 1.35 L (1.43 US qt) with filter service (Piaggio 82635R / HF183). Standard solo cold tire pressure is 180 kPa / 1.80 bar / 26 PSI front (120/70-12 51P) and 200 kPa / 2.00 bar / 29 PSI rear (130/70-12 62P), paired with 1× NGK MR7BI-8 spark plug(s) and a YTX12-BS battery.
Drain only: 1.2 L (1.27 US qt)
R 200 kPa (2.00 bar)
Est. Range: ~265 km (165 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: 1.2 L (1.27 US qt) • With filter/strainer: 1.35 L (1.43 US qt) • Complete dry overhaul: 1.55 L (1.64 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 | 250 ml (0.25 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: 120/70-12 51P · Rear: 130/70-12 62P (Tubeless) |
|---|---|
| Cold Tire Pressure — Solo Riding |
Front: 180 kPa / 1.80 bar / 26 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 MR7BI-8 × 1 (Gap: 0.7–0.8 mm) |
| OEM Battery Code & Rating | YTX12-BS (12V 10.0Ah MF 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 · OAT ethylene-glycol coolant for aluminum radiators (50:50 premix) |
3. Ergonomics, Range & Scheduled Service Intervals
| Displacement · Max Power · Peak Torque | 310 cc · 25 hp @ 6,500 rpm · 28.9 N·m (21.3 lb-ft) @ 5,250 rpm |
|---|---|
| Seat Height & Wet Curb Weight | 790 mm (31.1 in) · 163 kg (359 lbs) |
| Fuel Tank & Est. Real-World Range | 8.5 L (2.2 US gal) · ~31.2 km/L → ~265 km (165 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
Flagship 2025+ evolution stretching stroke from 63 mm to 70.4 mm (310cc) with 70% new engine internals for 25 hp at a relaxed 6,500 rpm and Euro 5+ compliance.
Oil & Clutch Mechanical Engineering Note
Refill the stroked 310cc crankcase with ~1.35 L of full-synthetic SAE 5W-40 using genuine Piaggio filter 82635R, checking level with the dipstick threaded in.