I made this quick video to show how to remove and replace the HPI SS-20WR (P/N#120018) servo in an HPI Racing RS4 Sport 3 chassis. this is the chassis on the hpi racing Ken Block Hoonicorn. Drove it for only 15 minutes and the servo broke. the one that comes with the car is cheap. The gears are plastic and the electronics are fragile. pls drop a comment or like if you found this video to be helpful.

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