261KB,Just swapped the original spark plug after 23 hours just for maintenance reasons. So far I love this bike no issues at all and it rips. Around 40 hours or so ima,Scott Spark Maintenance #bikemechanic,Amazon.com: SparkFun Environmental Combo Breakout - ENS160/BME280 (Qwiic) Power LED, 1.8V AP2127K Voltage Regulator (for ENS160) Jumpers, Power LED, ,ZLKSKER Fuel Shut Off Valve Switch M10X1.25, Generator/Gas Engine Fuel Tank Part,