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Coolant leak on a Vespa GTV 300 2026

Is your Vespa GTV 300 2026 showing "Coolant leak"? Here's the most likely cause, the checks to run, and the parts that fit your bike.

Technical bulletin

Vespa GTV 300 2026 — owner breakdown

The Vespa GTV 300 2026 is small-displacement 278cc four-stroke machine, catalogued from 2016 to 2026. Checks below are ordered for this bike.

Engine
278 cm³ · four-stroke
Category
small-displacement
Production years
2016–2026
Newest model year
2026

Catalog data and maintenance points from cited sources — indicative markers, not a workshop manual.

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Manufacturer recalls

Check whether your Vespa GTV 300 is subject to an official recall (safety, manufacturing defect) on the French government database.

Check RappelConso (motorcycles & scooters) →

⚠️ This tool helps you understand what's going on with your motorcycle; it doesn't replace the inspection or judgment of a certified mechanic. If in persistent doubt, if a safety-critical part is involved (braking, steering, bearings, transmission), or if the problem keeps recurring, have the diagnosis confirmed at a workshop before doing any work.

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