GY6/QMJ157 Dr. Pulley Sliders

The Details ⚙️

If you want an easy, noticeable performance upgrade for your GY6 150cc, this is it.

Dr. Pulley sliders outperform traditional rollers by allowing your variator to shift more efficiently — giving you better acceleration and improved overall power delivery.

Lighter weights let the engine rev higher, which helps keep you in the powerband longer. The result is a more responsive, quicker-feeling scooter without opening up the engine.

Why sliders over rollers?
• More usable RPM range
• Smoother variator operation
• Better acceleration
• Longer lifespan vs traditional rollers

One of the simplest upgrades with real results 🔥

Which Weight Should You Pick? ⚖️

• 11g: Riders under 200 lbs
• 10g: Riders 200+ lbs

These are proven baseline setups — but every build is different.

For perfect tuning, we recommend grabbing a full variator tuning kit and dialing in your exact setup.

Important Things to Note 🚨

• Lighter weights = higher RPM and quicker acceleration.
• Too light can reduce top speed — tuning is a balance.
• Works best when paired with other CVT upgrades.
• Results vary based on rider weight, terrain, and engine setup.

Not sure what weight is right for your build? Message us — we’ll help you dial it in 👍