Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to start a motorcycle [title] Determine whether you have a carburetor-based or fuel-injected motorcycle. [step] Many motorcycles, especially older or less expensive models, do not have modern fuel injection systems. If you aren't sure, you can tell by looking for a choke control.

Ending1: Just like in air valve systems, carburetors are relatively inexpensive. If you do not have a fuel injection system, you may not be able to recreate the open air command on a motorcycle. Ending2: It is normally located on the left handlebar, above the horn. Carbureted motorcycles have a choke, but fuel-injected bikes do not. Ending3: [substeps] A carburetor-driven motorcycle provides the fuel, gas, and ignition. Systems are faster and are more portable than vehicles in modern environments. Ending4: There is always a spray nozzle located in the front of the motorcycle, and some throttle systems have these systems in place as well. Usually, you'll use this to puncture the pedals for fuel to feed the bike into the dimethrower.

Answer format: ending1/ending2/ending3/ending4