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How to Replace Radiator Fluid on Aprilia RS 125

Model: Aprilia Rs 125
Part: Antifreeze coolant

Video tutorial

In today's tutorial, you will learn how to replace the coolant or antifreeze on the Aprilia RS 125 in simple, quick steps. First, unscrew the drain screw for the coolant located at the bottom near the water pump; let it drain into a container for about ten minutes.

Next, open the radiator filler cap and pour in the new coolant of the correct type; fill to the maximum level and start the vehicle; allow the new fluid to circulate and top up if necessary!


Updated on 20 April 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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