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50cc Bike
Article no.: M558676

CDI Malossi TC Unit RPM Control Minarelli before 2003 Yamaha ignition

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Malossi CDI Unit MBK Booster / Nitro before 2003, compatible with original ignition. It has a switch that lets you choose between 2 ignition curves: a "Malossi" ignition curve (derestricted => more powerful than original) or a restricted one for public road use.

This is an electric part, therefore it is not possible to get a guarantee on this product.

Questions about the product
Notes and Safety

CDI and coil

The CDI (for Capacitor Discharger Ignition) and the ignition coil are an essential part of the ignition. While the coil is actually just an energy storage device that supplies the ignition spark to the spark plug, the CDI module is a more complex component that controls the engine speed at which the spark should occur. It can therefore have an effect on engine behavior and performance.

Open CDI

Many riders equip their 50cc geared mopeds and scooters with open, i.e. derestricted CDIs. In most cases, the original CDI throttles the maximum achievable engine speed, which significantly reduces performance and top speed.
To remove this rev limiter and thus increase maximum speed, you can install a CDI without a rev limiter instead of the original CDI.

Beware! When using an open CDI, the carburetor must be readjusted, so it is best to order new jets as well.

Programmable CDI

Programmable CDI control units are available for tuned racing engines on 50cc scooters and moorcycles as well as for motocross bikes. These CDIs are designed for more experienced tuners who want to optimize the settings of their two-wheeler as much as possible.
With a programmable CDI, the ignition timing is dynamic so that the spark always jumps at the optimum time at both high and low engine speeds. This leads to a better increase in speed, higher torque and an overall increase in maximum power.

4-stroke engines with fuel injection are equipped with an ECU (Electronic Control Unit), which also controls the fuel injection. When tuning a four-stroke engine with an electronic injection system, a programmable CDI is therefore an absolute must in order to avoid breakdowns and engine damage.

Symptoms of a defective coil or CDI

If these two elements fail, the symptoms are usually very easy to recognize: no spark at the spark plug, so the engine will not start.

It is best to proceed in sequence: First change the spark plug, then the spark plug cap, then the coil and only then consider the CDI or the ignition itself as the source.

Technical details
CDI Malossi TC Unit RPM Control Minarelli before 2003 Yamaha ignition
Article no.M558676
Weight0,19 kg
SeriesTC Unit
Product typeIgnition coil & CDI
Compatible vehicles for this article
Customer reviews
3 Ratings
cette article et vraiment une bonne alternative pour ceux qui désire bousté un peut plus leur machine en gardant son allumage d'origine j'ai senti de bonne perf mais par-contre faire attention avec l’année du scoot les féseau ne son pas pareille avent et apré 2003
avant c'est plusieurs ficher comme sur la photo et apré 2003 c'est une broche en forme de sucre
tres bon cdi
article du tonerre , vous fait vraiment prendre de l'accell surtout a haut regime ,la combustion est vraiment ameliorée vous vous en rendrez automatiquement compte par rapport aux odeurs d'huiles en sortant du pot d'echappement et ceux des le ralenti :-)
Par contre up par rapport aux reglage du potentiometre la notice n'en dit pas long.
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