To increase your bike's RPMs (revolutions per minute) without modifying it, you can follow these general tips:
Downshift gears: When riding, downshift to a lower gear to increase the RPMs. This will make your engine work at a higher speed and increase the revolutions per minute. However, keep in mind that you should always shift gears within the recommended range for your bike to avoid engine strain or damage.
Use the throttle effectively: When you need a burst of acceleration or want to increase the RPMs, twist the throttle gradually and smoothly to open the throttle valve. This will allow more air and fuel into the engine, increasing the RPMs. Be cautious not to rev the engine too high, as it may exceed the recommended limits and cause damage.
Maintain proper maintenance: Ensure that your bike is in good mechanical condition by following the manufacturer's recommended maintenance schedule. Regularly change the oil, clean or replace air filters, and keep the bike's overall components in good working order. A well-maintained bike tends to perform optimally and may provide better RPM response.
Reduce weight and improve aerodynamics: Removing any unnecessary weight from your bike and adopting a streamlined riding position can improve the bike's overall performance. Reduced weight and improved aerodynamics can help the engine rev more freely and reach higher RPMs more easily.
Properly inflate tires: Maintaining proper tire pressure ensures that your bike rolls smoothly and efficiently. Check your bike's owner's manual or the recommended tire pressure label on the bike to ensure you're inflating the tires to the appropriate level. Properly inflated tires can reduce rolling resistance and allow the engine to rev more freely.
Remember, it's important to operate your bike within safe and legal limits. Always follow traffic laws, ride responsibly, and prioritize your safety and the safety of others on the road.