A friend of mine is a mechanic, and long ago he told me if my motorcycle’s battery fails and I can’t get another vehicle to help me with jumper cables, what I have to do is have the ignition ready, get it into 4th gear, and after giving it some momentum to suddenly release the clutch.
How does this work, and why 4th gear specifically?
In: Engineering
The main thing that starts an internal combustion engine is the starter motor. This is why cars/motorcycles don’t need dangerous hand cranks. Some motorcycles and dirt bikes have kick starters.
The idea, is to put it into a gear that will spin the engine easily, get it moving so that gas will get sucked into the chambers then assuming the battery has enough charge to spark the spark plugs, it’ll start working. Once the engine is running, it’ll recharge the battery. (it’s easier for the battery to trigger the spark plugs vs spinning the starter motor from a stop)
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