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The cooling of a liquid (LC) system is far superior and provides a much more stable temperature compared to an air (AC) system. This is why the most efficient motors (which produce a lot of heat) are only offered in LC version. Once the cooling system is changed from AC to LC, it is possible to have a machine that is both extremely reliable and efficient.
The few parts needed for the conversion:
1.LC motor
2. Radiator
3. Water pump
4. Hoses and collars
5. Coolant
6. Temperature meter (Not mandatory, but highly recommended to ensure proper system operation)
A few tips based on our years of experience:
The larger the radiator area the better. In traffic jams, it is important to have a large radiator surface to properly cool the engine. That's why we have developed a set of two radiators that fit together well. Even for drag, a small radiator may not be enough.
As the liquid heats up, it expands and becomes pressurized in a closed system. It is important to have either a radiator cap that opens when exceeded a certain pressure or an expansion tank with a cap that has a small hole that allows the pressure to escape, otherwise there are risks leaking hot liquid.
The water pump must withstand heat of around 100 degrees Celsius and have a minimum flow rate of 8-10 liters per minute. There are mechanical pumps (driven by the ignition) and electric (connected to the 12v). We recommend the use of electric pumps as their reliability is widely superior to mechanical pumps, so much so that we simply don't install them for our customers.
We also sell hoses
2-stroke scooter cylinders should hold between 40 and 70 degrees Celsius. Beyond 90 degrees, the motor is turned off to avoid damage.
It is important to bleed the system well, ie eliminate air bubbles. As in a bottle of water, the air bubbles always move towards the highest point. A good trick is to raise the scooter on its rear wheel with the radiator cap open. The air will rise more easily to the surface.
We've included a simplistic diagram of the system with the direction of hot and cold liquid movement, as well as an example of the location and cutout needed for our radiator kit.
Do not hesitate to contact us for any questions. Good success !
