How does an electric throttle work on a geared moped/mokick?

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Alpino6
8 years ago

Hello

If the moped has a CDI, the maximum speed is simply set via this CDI. That's all there is to it.

But all the old mopeds didn't have a CDI, only the modern mopeds like Romet or Yamasaky, Honda Dax, did.

These modern Chinese replicas have a CDI.

greeting

RuedigerKaarst
8 years ago

The CDI measures the engine speed and shifts the ignition point when a certain speed is reached.
6000 revolutions should be about 25 km/h.

The tachometer is a magnetic sensor that records each revolution and transmits the data to the CDI.

It will be located near the alternator's pole wheel.
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If this connection is disconnected, the CDI can no longer measure and therefore cannot throttle.

To find the right cable, you should have a wiring diagram of your scooter at hand and measure it with a multimeter.

For example, on my scooter the pickup is at the flywheel.
There are 2 cables connected: blue/white and green/white.
However, these two colors are also on the CDI connector.

So measure and look at the circuit diagram.

Alpino6
8 years ago
Reply to  RuedigerKaarst

Everything is correct, except for the 6000 rpm and 25 km/h.

Depending on the gear ratio, 6000 revolutions can be 10kmh or 100kmh.

For example, my Piaggio scooter runs at 6000 rpm at 65 km/h.

A variably throttled scooter runs at 6000 rpm at about 25-30 km/h

My Tomos Alpino runs at 57 km/h at 4900 rpm. (5-speed)

Despite everything, it was great and I learned something new about where the inspiration for the CDI came from.

kind regards

RuedigerKaarst
8 years ago
Reply to  Alpino6

I was wondering why there was no cable going into the Vario on my scooter.

Until I saw that there were two cables on the pickup.