Oil and filter change
≈ 10,000 km or 1 year
JASO MA or MA2 approved four-stroke motorcycle oil (JASO MB on scooters): an “energy conserving” car oil makes the wet clutch slip. Change it more often in city use or on track.
Source [1]GTS (2005) · 2005–2008
The Vespa GTS (2005) 250 uses the Piaggio 250 Quasar petrol engine with 22 hp.
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
22 hp (16 kW), variator transmission, automatic variator (CVT). Built from 2005 to 2008.
AutoKarnet advice
On a scooter, have the variator belt and rollers checked when due, even if the scooter covers little distance in town. Also check the small-diameter tyres, which wear fast, the lights and the centre stand; a slipping belt is felt when pulling away.
AutoKarnet advice
Among the GTS (2005) pages, the 300 22 hp offers a comparison: 22 hp (16 kW), Piaggio 278 Quasar, 278 cm³, automatic variator (CVT), 2008–2018. The version on this page has 22 hp (16 kW), Piaggio 250 Quasar, 244 cm³, automatic variator (CVT), 2005–2008. When requesting a quote, specify the output and gearbox; the marketing name alone does not identify the correct parts.
AutoKarnet advice
≈: estimated reference — the vehicle’s service indicator prevails.
≈ 10,000 km or 1 year
JASO MA or MA2 approved four-stroke motorcycle oil (JASO MB on scooters): an “energy conserving” car oil makes the wet clutch slip. Change it more often in city use or on track.
Source [1]Every 2 years
Replace the fluid in both circuits (and the hydraulic clutch if fitted), whatever the mileage; dark fluid has absorbed moisture.
Source [1]≈ 30,000 km
Fork oil change and seal check; an oil film on the tubes means a seal needs replacing before it contaminates the brake caliper.
Source [1]≈ 20,000 km
The rear-wheel gearcase has its own oil, separate from the engine oil; replace it when the service book says, often with the variator belt.
Source [1]Every 10,000 km
Replace the full set; worn plugs raise consumption and cause misfires.
Source [1]Every 10,000 km
Replace more often in dusty conditions.
Source [1]Every 10,000 km
Check and adjust if needed, often together with the plugs; too little clearance burns the valves, too much makes the engine noisy.
Source [1]Every 20,000 km
Replace the belt and check the rollers and clutch; a worn belt makes the scooter slip and can snap while riding.
Source [1]Every 3 years
Replace the coolant and check the hoses and radiator; check the level cold between services.
Source [1]The Piaggio 250 Quasar petrol engine (244 cc), 22 hp (16 kW).
AutoKarnet advice
A JASO MA2 10W-40 four-stroke motorcycle oil suited to the Piaggio 250 Quasar engine.
AutoKarnet advice
This page covers Vespa GTS (2005) 250 22 hp, scooter, 2005–2008, with 22 hp (16 kW), Piaggio 250 Quasar, 244 cm³, automatic variator (CVT), 2005–2008. Compare these details with the registration document and gearbox identification. The designation Piaggio 250 Quasar may cover several revisions: a VIN is still needed to confirm part numbers.
AutoKarnet advice
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026