45Cdi only goes 45kmh?

Hello, I own a 49cc Sym scooter. I have a 25 and a 45 CDI. The 25 CDI goes 30-32 km/h, and the 45 CDI goes 45 km/h. Will the scooter go 60-70 km/h with an open CDI? Is an open CDI legal with the appropriate driver's license? My scooter only goes 45 km/h with the open CDI. That's a bit disappointing.

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Fazi50
2 years ago

Hello,

the CDI has the main task of limiting the speed (additional) if the other throttle elements at the hardware level should possibly fail. The ignition time can also be tapped via the CDI to an extended extent via additional sensors, and a control measurement of the speed at the transmission output can also be determined if necessary.

If the scooter also maintains its maximum permissible 45 KM/h with "open" (unlimited) CDI, this can certainly speak for good throttling in the flow characteristics of the working tract of a motor at the hardware level.

The use of a safety/performance-relevant component without type-approval can also lead to the release of the vehicle's license without "success". It is then possible to prevent further travel, and an orderly fine is also due.

For as long as the effective engine capacity does not exceed 50 cc, with a driving license class AM, and neither "marque" increases in the manufacturer's nominal power and additional power. The FE class AM is normally not yet in danger of being able to determine the maximum speed despite detected tuning. More than about 35% tolerance, however, the legislature is no longer fundamental in combination with detectable tuning.

LG

Fazi50
2 years ago
Reply to  Patricr176653

I recite:

The use of a safety/performance-relevant component without type approval can also lead to the extinguishing of the vehicle's license without "following"

A "open" CDI often has no vehicle-specific type approval if it does not offer any electronic speed limit.

When the Scooter with "open" (unlimited) CDI, the maximum permissible 45 KM/h is approximately retained, so it can for good throttling in the flow characteristics speak of the work tract of a motor at hardware level.

A motor can also be used in addition to the electronic throttle in addition have been designed in such a way that it does not exceed its nominal speed, according to manufacturer specifications.

Fazi50
2 years ago

I can't say that to you in the blue, because for a concrete statement the construction of the internal circuits of the CDI and the vehicle circuit diagram would have to be known. So see:

the CDI has mainly the task of limiting the speed (additional) by […] The ignition time can still be tapped via the CDI to an extended extent via additional sensors, and, if necessary, a control measurement of the speed at the transmission output can also be determined.

Der2Taktfahrer
1 year ago

So with an open Cdi there is a risk that the motor overturns this is not bad first but then it happens at a long time the best motor will eventually be adopted I would look for another throttled Cdi in some models there are also Cdi's the 60kmh throttles and so you don't risk driving your scooter Kaputt