Off-highway and lesser dual-Activity bikes often use single-cylinder engines. The simplicity of these engines, normally depending on only one carburetor, make them rather easy to maintain and repair in remote destinations with several instruments. ✓ For a longer time Journey Situations — four-stroke bike engines even have air consumption/exhaust valves https://marcohzluc.thenerdsblog.com/40799154/what-does-predator-mini-bike-motor-mean