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Factory Workshop SpecificationsPlatform Gen: 2006–2026

2026 Vespa GTS 300 / GTS 300 Super Specifications & Consumables

Official workshop technical reference: fluid capacities, spark plug codes, drive chain specs, and tire inflation pressures.

Gen 2006–2026

Factory Platform Compatibility: All workshop fluid capacities, maintenance milestones, torque specifications, and consumables on this specification sheet are factory-identical across model years 2006 through 2026.

Engine
278cc
Drive
Not Available
Cooling
Liquid-Cooled with Dual Lateral Front Radiators & Electric Fan

Engineering Subsystem Workbenches & Calculators

Dedicated deep-dive diagnostic tools, torque matrices, wiring pinouts, and calculators tailored for 2026 Vespa GTS 300 / GTS 300 Super.

10 Dedicated Engineering Spoke Pages
Subsystem Guide/torques

Fastener Torques

Engine drain plug, axle spindles, caliper mounts, triple clamp pinch bolts & thread lubrication derating guide.

Open Dedicated Workbench →
Subsystem Guide/fluids

Fluids & Capacities

Oil: 1.30 L (1.37 US qt) [1.20 L without filter; 1.40 L dry engine overhaul] • Coolant: 1.15 L (1.21 US qt) total [50/50 mix] • Brake: N/A

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Subsystem Guide/fuses-relays

Fuses & Relays

Main: N/A • Location: N/A

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Subsystem Guide/compression

Compression & Leakdown

Ratio: N/A

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Subsystem Guide/valves

Valve Clearances

Intake: N/A mm • Exhaust: N/A mm

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Subsystem Guide/fuel-delivery

Fuel Delivery & TB Sync

Idle: N/A • Rail Pressure: N/A • Vacuum: N/A

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Subsystem Guide/electrical

Charging & Battery

Battery: YTX12-BS

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Subsystem Guide/tires

Tires & Gearing

Front: 120/70-12 51P Tubeless • Rear: 130/70-12 62P Tubeless

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Subsystem Guide/suspension

Suspension & Sag

Front Travel: N/A • Rear Travel: N/A

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Subsystem Guide/maintenance

Maintenance Schedule

Oil: N/A • Valves: N/A • Plugs: N/A

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Fluids & Service Capacities
Shop Fluids →
Engine Oil (Drain & Filter Change)1.30 L (1.37 US qt) [1.20 L without filter; 1.40 L dry engine overhaul]
Engine Oil (Drain Only)N/A
Recommended Oil ViscosityEni i-Ride PG 5W-40 / Motul Scooter Power 5W-40 Full Synthetic (API SL/SM/SN, JASO MA/MA2)
Coolant System Capacity1.15 L (1.21 US qt) total [50/50 mix]
Brake Fluid StandardNot Available
Drivetrain, Chain & Gearing
Drive Chain PitchBelt Drive
Chain Link CountN/A
Front Sprocket TeethN/A
Rear Sprocket TeethN/A
Final Drive ConfigurationCarbon Belt Drive
Ignition & Electrical Specifications
Shop Plugs & Batteries →
OEM Spark Plug Part NumberNGK CR8EKB
Electrode Spark Plug Gap0.7–0.8 mm (0.028–0.031 in)
OEM Battery Reference CodeYTX12-BS
Battery Output & RatingNot Available
Spark Plug Inspection IntervalN/A
Wheels, Tires & Inflation Pressures
Shop Tires →
Front Tire Dimensions120/70-12 51P Tubeless
Cold Front Inflation PressureN/A
Rear Tire Dimensions130/70-12 62P Tubeless
Cold Rear Inflation PressureN/A
OEM Wheel Rim Widths (F / R)3.50" / 5.50"

Official NHTSA Safety Recalls & Technical Bulletins

0 Open Campaigns (Clean)
U.S. Department of Transportation compliance database (Title 49 U.S.C. Chapter 301).
Verify VIN on NHTSA.gov
No Active Federal Safety Recalls Reported
The U.S. DOT National Highway Traffic Safety Administration (NHTSA) records zero open safety recall campaigns for the 2026 Vespa GTS 300 / GTS 300 Super platform. Always check your individual 17-digit VIN at an authorized dealership or via NHTSA.gov for individual recall completions.
OEM Workshop Archives

Official Factory Service Bulletins & Field Updates

1 Documented Bulletin
Bulletin #FSB-VES-GTS-01Technical Service Bulletin FSB-VES-GTS-01: Single-Sided Trailing Link Front Spindle Bearing Overhaul, ASR Sensor Air Gap & Rear Hub Gear Oil Service
Source: Piaggio_Vespa_GTS300_Trailing_Link_ASR_Service.pdf
Mandated Torques:Torque: 90–110 N·m (66–81 lb-ft) (Front Wheel Hub Castle Nut & Cotter Pin)Torque: 40–45 N·m (30–33 lb-ft) (Front Trailing Link Shock Lower Mounting Bolt)Torque: 40–45 N·m (30–33 lb-ft) (Upper Steering Column Locking Ring Nut)Torque: 15–18 N·m (11–13 lb-ft) (Rear Hub Final Gear Oil Drain & Fill Plugs)
Consumable Specs:Eni i-Ride PG 5W-40 Full Synthetic OilEni Rotra Bike 80W-90 Hub Gear OilWaterproof Marine Calcium-Sulfonate Grease (Trailing Link Needle Rollers)
Genuine Part Numbers:B0181521A0082725638141R000564
Vespa Italian Heritage EngineeringGTS 300 / Super HPE

Vespa GTS 300 Trailing-Link Front Suspension, ASR Sensor & Hub Oil Architecture

Single-sided trailing link (40–45 N·m), front hub castle nut 90–110 N·m, ASR tone ring air gap 0.8–1.2 mm, and 250ml 80W-90 hub oil.

STEERING COLUMN (40–45 N·m)TRAILING LINK PIVOTNeedle Bearings RepackLOWER BOLT: 40–45 N·mCASTLE NUT: 90–110 N·mStainless Cotter PinASR / ABS SENSOR GAP0.8–1.2 mm (Brass Feeler)REAR HUB GEAR OIL250ml 80W-90 (15–18 N·m)
Click on Trailing Link Arm, Front Hub Castle Nut, ASR Sensor Gap, or Rear Hub Gear Oil to inspect factory service specs.

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2026 Vespa GTS 300 / GTS 300 Super Factory Workshop Specs & Maintenance Guide | WowShopper | WowShopper Motorsports