Wiring Loom Auto Engine Air Cooled Bat, Elec Start + Extra

Universal wiring loom for Lambrettas with an AIR COOLED Auto Engine / Wassell Conversion and Extra Instruments Fitted:

Designed around the Piaggio electronic engine as fitted to the Aprilia SR 125, Piaggio Typhoon 125, Gilera Runner FX/FXR and Italjet Dragster Air Cooled Engines or any motor that ussually has two yellow wires from the engine for the lighting supply or a Lambretta Wassell Conversion.

Wiring is included for an Electric Start Button in the headset / Inside leg shield Toolbox area and a safety start switch facility ( The Safety Start Facility can be in the form of an in line Vespa front brake light switch fitted into the old clutch cable area which will normally now operate the rear brake cable or alternatively on a master cylinder switch or to fit a separate on/off push button auto return button/switch - the switch has to be activated for the electric start button/key to operate). The necessary switches are available separately if required. Alternative Safety Start options are available on request.

A 12v DC supply is supplied to the Headset and Inside Leg shield Toolbox so that Instruments of your choice can be run from it. Wiring is added within the frame for instruments such as : Heat sensors, Fuel/Oil Gauge, Revs Counter. A 12V DC supply when the lights are switched on to the Toolbox for Instrument lighting.

This loom has been initially designed around an ignition switch that isolates the battery when the engine is switched off such as the Beedspeed TV ignition switch.
If you require the 12V DC supply to be switched on and off by a standard ignition switch a Li type light switch must be fitted that can switch the lights on and off independently. Leaving the ignition switch for ignition and DC supply.

Facility for Front and Rear Brake light switches.

Lights and Horn 12 Volt DC

Battery charging wires are built in, but the main thick starter motor wires are not, usually they are already attached to the engine. They can be made to measure on request.

We can customize the loom to your request. Add the specifications that you require into the comments box at the checkout.

Wiring Diagram supplied.

Some other parts that are available:

Electric start button - It can be mounted onto the handle bars or similar position, we have one available separately part number 24 613 5020 in the Autos starter motors section - One 15mm hole will have to be drilled.

Front brake light in line switch in the Vespa Light Switches section.

A Starter Relay - This can be found in the Vespa Light Switches Section.

A Battery Charging Type Voltage Regulator Box. See Vespa or Auto electrical section.

A 12 V Battery. We recommend the CB9-B or similar, this fits correctly in the majority of Vespa battery trays, and has plenty of power to turn over the motor. Please check the battery dimensions in our battery section, against the size of your battery tray.

Heat Sensors in the Auto Section

See the pdf above for the wiring diagram.