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CDIs

(127 products)
Ignition Ignitions standard Inner Rotor Ignitions Spark Plugs CDIs Ignition Coils Ignition Accessories Killswitches
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Beta Doppler GY6 Malossi MotoForce MotoForce Racing MVT Naraku Piaggio Polini RMS Stage6 Standard Parts Top Performances
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Malossi
CDI Unit Malossi Digitronic Aprilia Scarabeo Euro 4
Article no.: M5518207B

CDI Unit Malossi Digitronic Aprilia Scarabeo Euro 4

195,00 €
Currently not in stock
Malossi
Lambda Emulator TC Unit Malossi Honda Forza 125cc
Article no.: M5516458

Lambda Emulator TC Unit Malossi Honda Forza 125cc

121,00 €
Currently not in stock
Malossi
Injection module Malossi Injection-Control, Peugeot vertical TSDI
Article no.: M5512016

Injection module Malossi Injection-Control, Peugeot vertical TSDI

152,00 €
Currently not in stock
Malossi
CDI Unit Malossi TC UNIT RPM
Article no.: M558678

CDI Unit Malossi TC UNIT RPM

99,00 €
Currently not in stock
Top Performances
CDI Unit Top Performances variable ignition Piaggio Zip / Vespa 4-stroke
Article no.: T9926150

CDI Unit Top Performances variable ignition Piaggio Zip / Vespa 4-stroke

129,00 €
Currently not in stock
Piaggio
CDI Piaggio Zip 4T Euro 5
Article no.: OE-PIACM314203

CDI Piaggio Zip 4T Euro 5

425,00 €
Currently not in stock
Polini
CDI Unit / Coil for inner rotor ignition Polini Evolution PVL digital
Article no.: P171.0666

CDI Unit / Coil for inner rotor ignition Polini Evolution PVL digital

201,00 €
Currently not in stock
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123

What's a CDI on a scooter?

The CDI, short for Capacitor Discharge Ignition, is an electronic control module that controls the ignition timing of the spark plug and thus the entire combustion process. The main two types are static CDIs with fixed ignition timing and dynamic CDIs with variable ignition timing, in this type of CDI the ignition timing is dependent on engine speed.

Most standard CDIs have an intergrated rev limiter that prevents the engine from revving up to the max and thus not reaching the peak speed that would actually be possible.

What kind of CDI - Tuning or OEM Quality?

For performance enhancing purposes, the ignition timing of 2-stroke engines is often delayed a little bit to optimize combustion. For 4-stroke engines, a slight advance can optimize performance. In addition, by installing an open, derestricted CDI you can also override the rev limiter, or derestrict tuned scooters via the CDI. In our shop we carry both static CDIs and tuning CDIs with variable ignition timing.

Open racing and tuning CDI units are made by brands like:

We also carry original CDIs by manufacturers like:

You will find great value for money OEM quality CDIs in this section.

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