Penyebab Busi Vespa Berwarna Hitam & Cara Mengatasinya

Hello everyone, in this episode of Belajar Mbengkel this time I want to share again about the Causes of Black Vespa Spark Plugs & How to Overcome Them so that the spark plugs can last and combustion is more optimal In my opinion there are 3 Causes of Black Vespa Spark Plugs; 1. Because of Mixed Oil Measurement, 2. Mainjet Size, and 3. Ignition For a complete explanation, friends can watch this video until the end Thank you.... Email: [email protected]