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Vespa LX Series - Injection System; MIU system operation and troubleshooting

Vespa LX Series
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COMPONENT TRANSPOSITION
Specification
Desc./Quantity
1 Instrument panel
2 Throttle body and electronic injection control unit (MIU)
3 Diagnostics socket connector
4 Fuel pump
5 Engine temperature sensor
6 Fuel injector
7 HV coil
8 Engine speed sensor
9 Lambda probe
10 Injection load remote control
11 Battery 12V10Ah
MIU injection system
This vehicle is fitted with an integrated injection and ignition system.
Injection is indirect in the manifold through an electro-injector.
The injection and ignition are timed on the four-stroke cycle by means of a tone wheel keyed on to the
crankshaft (24-2 teeth) and pick-up sensor.
Vespa LX 125 - 150 i.e. Injection
INJEC - 147

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