This type of engine has only one cylinder and operates best on smaller cc bikes. It is cheap to maintain and deal with if a thing goes wrong. What's more, it provides high torque at low revs, which makes it appropriate for off-highway and commuter bikes. Case in point: Splendor, https://bikeenginesexplained48147.life3dblog.com/33932305/the-basic-principles-of-go-kart-track-near-me-prices