Kugoo M4 Pro Electric Scooter tyre replacement. If your electric scooter has a damaged or worn tyre you may need to replace it. Ensuring that Kugoo M4 Pro electric scooter tyres are sufficiently threaded, correctly inflated and not out of shape or damaged is important as it ensures your safety by improving road surface grip. Correct tyre inflation is measured in PSI or bar and is written on the side wall of your electric scooter tyre. Electric scooter tyres are prone to puncturing when not correctly inflated. Ensuring that your e-scooter tyres are inflated to the correct PSI is the best way to protect against punctures.