Rotax Electrical

The Rotax FR125 operates using at 'total loss' ignition system. This means that there is no on-board charging system, and that the ignition system, and that the ignition system relies solely on the battery for power to supply the ignition coil. This also means that if the battery does not have adequate power, the ignition coil will not function properly. As a result, it is very important that you always keep your battery at full charge.

The FIAMM GS battery is a sealed lead-acid battery. It is not a Ni-Cad, nor is it a Nickel Mh battery. As such, it needs to be charged like any other lead-acid battery. This battery does not have the type of memory that is associated with the Ni-cad or Ni-mh. If the battery is ever fully discharged there is a good chance that it will be damaged. The damage may not even be apparent immediately, but the lifespan of the battery may shorten significantly. At Acceleration, we've had several batteries last over one year. Conversely we have had batteries that seemed to last only 2 months. Without a doubt, it is in your best interest to avoid jarring the battery unnecessarily, or dropping it as either of these can dislodge the internal components and cause a short circuit.

The battery should be placed on the approved charger anytime that it is not being used until about two to three hours beyond the green light illuminating. Because of the nature of the beast, it is very advisable to have at least one spare battery that is fully charged. This is probably the quickest and easiest item to change on the kart, and should be your first adjustment in any situation where the ignition seems to suddenly cut-out or misbehave.

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