If you want to increase your speed on a motorized pedal cycle, you need to know how to adjust the variator on a moped. The author has assumed, probably dangerously, that the reader has some knowledge of mopeds in general. When working on a specific model, consult the documentation to figure out where it is located.
Mopeds are easier to repair than the original Volkswagen Beetle. Readers probably does not want to know the physics that make the procedure work, nor do they want the bad hair that seems to plague mad scientists in movies. So, let us start with a list of what you will need:
- Instruction manual for the moped being worked on
- Open the moped variator case. Refer to the repair manual to figure out where the item is located. Most mopeds have it stored in a similar location, but unless the reader really loves to have a project bike lying around, he can save time by reading the instructions. Sometimes it is better to not follow this rule of manly behavior.
- Find the moped variator roller weights. The roller weights sit on the groove and control the amount of torque the engine generates. Simply put, the more torque the user can generate, the more power he has to the engine. More power equals more speed, usually. Sorry for slipping into a bit of high school physics there. Don't worry, you're safe from science for now.
- Examine the tracks the roller weights use. Take out the hacksaw or a similar implement, such as a dremel tool, to extend the groove to the desired length. This moped variator adjustment works best with larger engine kits and a performance motor.
There are other ways to improve speed, but this is one the easiest modifications and does not take a great deal of mechanical skill to carry out. The entire time for adjusting a variator on a moped should take about two hours if you move at a leisurely pace.
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