Vespa GTS 250/300 Stator Assembly
ITEM# TT-15474
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Description
Stator Assembly for Vespa GTS 250/300 Models
This magneto stator is built for the Vespa GTS 250 and 300 range and is a practical fix when the charging system stops working properly. It produces the alternating current that keeps the ignition running and recharges the battery during rides. Among Vespa scooter components, it tackles common symptoms such as dim headlights and a battery that keeps draining, which helps keep older, high-mileage scooters running smoothly.
Build and Key Features
The windings are made from insulated copper wire rated to handle the heat an engine produces. A laminated core reduces magnetic resistance, so the output stays consistent throughout the rev range. Supplied as a complete kit, it includes an integrated pulsar pickup coil and the wiring connectors needed, so fitting it is simple.
Fitting Instructions
Removing the flywheel requires a dedicated 35mm flywheel magneto puller. Improvised tools can harm the magnetic rotor or the crankshaft. Since this stator sits in the engine oil, replace the crankcase gasket as well to prevent oil and coolant leaks.
Technical Specifications
- Stator Design: 18-pole, three-phase
- Measurements: 95mm outer diameter, 36mm inner diameter, 32mm core thickness
- Winding Resistance: Alternator phase (yellow to yellow) 0.4 Ohms ±20% / Pickup coil 125 Ohms ±20%
- OEM Part Number: 58070R
- Compatible With: Vespa GTS 250/300 and GTV/Super variants, Piaggio BV 250ie, BV 300, MP3 250, Aprilia SportCity/Atlantic 250
Compatibility
Fits:
- Vespa GTS 250, GTV 250, Super (250cc Quasar fuel-injected, built 4/2006 and newer)
- Vespa GTS 300, Super, GTV (300cc early generations, with male 3-prong loom connector)
- Piaggio BV 250ie (250cc fuel-injected Quasar only)
- Piaggio BV 300 (300cc liquid-cooled evolution, 2009-2012)
- Piaggio MP3 250 (250cc, all model years)
- Aprilia SportCity 250, Atlantic 250 (250cc liquid-cooled Quasar)
Selecting the right unit: Compare the 3-prong male loom connector on your current stator, or check the engine build date (4/2006 or later for the GTS 250). Confirm the 18-pole layout and the 95mm outer and 36mm inner diameters match your old part.
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