Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
Today we will discover the main steps on how to replace the coolant in the engine of the Yamaha YZ 125 motorcycle. First, place the motorcycle on a stand and begin to unscrew the drain screw of the water pump, allowing the coolant to drain into a container for about ten minutes; then unscrew the radiator cap and top up with the new coolant of the correct type, as shown in the video. Ensure that the level in the reservoir is at the maximum mark; start the engine and top up again if necessary.

Posted on 15 March 2026 by ScegliAuto

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