Your Guide to Choosing the Right Scooter Roller Weights

Are you in the market for a new set of scooter roller weights? If so, you’ve got plenty of options.

Roller weights are essential parts of your scooter’s transmission. They’re located in the variator and actively help to regulate your gear ratio in accordance with your speed.

When it’s time to replace them, it’s important to do your research. Today, we’re taking a look at a few key things to consider.

Ready to learn more? Let’s go!

What are Scooter Roller Weights?

When you accelerate, your scooter’s gears transition from low to high. Your scooter roller weights control how quickly and smoothly this shift occurs.

Put simply, scooters with lighter weights feature higher Revolutions Per Minute (RPM), while those equipped with heavier weights tend to have a lower RPM.

For a 150cc scooter, 6500-7000 RPM is usually the goal.

Most scooters have six roller weights in the variator, though some are equipped with up to eight.

What should you look for in new ones? It depends on what you’re looking to optimize.

Replacing Damaged Weights

If your scooter was performing well and you just want to replace your roller weights due to wear and tear, it makes sense to purchase the same type of weights again.

However, it can be difficult to determine exactly which type of weights your scooter used. One of the most effective ways to figure it out is to find or buy a small scale that’s capable of reading a 0.1g resolution.

Then, simply place your weights on the scale to measure how heavy they are. This is one of the most straightforward ways to determine which type of weights you were using. Use this as a guide when buying your next similar set.

Wanted to share this video below it shows you how to properly install your scooters roller weights.


Optimizing Your Scooter’s Performance

On the other hand, you may be dissatisfied with the way your scooter is currently running. In this case, you may want to switch out your scooter roller weights for a new, different set.

To determine which type will work the best, you’ll need to do a little tuning.

Find a place to test out and tune your scooter, and bring a few different weights with you. A flat spot with minimal traffic is best. You’ll be riding in Wide Open Throttle (WOT) so you’ll need all the space and safety you can get.

Then, you can configure your weights based on your usage scenario. Here are two of the most common ones:

Achieving Max Cruising Speed

Do you spend a lot of time cruising on your scooter at maximum speed?

Then test drive your scooter on long, open stretches to mimic that environment. Make sure you can comfortably reach cruising speed in WOT.

Improving Acceleration

Are you more prone to ride your scooter in urban areas, where you’ll need quick and efficient acceleration to get you from stop to start as smoothly as possible? If so, test drive in shorter increments at WOT.

Fine-Tuning and Adjusting

As you drive your scooter, take note of how it feels beneath you.

Is it too slow? Too quick? Did it rev up too strongly?

If possible, swap out your scooter roller weights for different ones that are heavier and lighter. What changes does that bring?

Keep adjusting until you’ve reached your ideal feel. A 150cc scooter will typically have weights between 10g and 15g, so stick within that range to narrow your options down.

If you’d rather see a technical description of your scooter’s RPM, consider investing in an economical small engine tachometer, which can attach to your scooter and give you a more precise reading on the spot.

You can even install both lightweight and heavy roller weights within the same variator, but keep in mind you must alternate the weight so it stays in balance.

Want to Learn More about Scooters? Start Here!

Whether you’re just starting out on your scooter or you’ve had it for years, you know that nothing rides quite like one.

As you work on, optimize, and learn about your machine, we’re here to help. Check back in often for more tips and advice on how to make the most of your ride!