by [email protected] | May 11, 2026 | Performance Guides
Dr. Pulley sliding weights are one of the most recommended CVT upgrades for GY6 scooters — and one of the cheapest. This guide explains why sliders outperform round rollers, how to choose the right gram weight, and how to install them in your GY6 variator. Tools...
by [email protected] | May 11, 2026 | Performance Guides
Upgrading the clutch springs on a GY6 scooter is a simple but effective performance mod. Stiffer springs delay clutch engagement to higher RPM, keeping the engine in its power band longer and improving the feel of acceleration. This guide covers the full clutch spring...
by [email protected] | May 11, 2026 | Performance Guides
Roller weights are one of the cheapest and most effective CVT tuning tools for a GY6 scooter. A $10 set of rollers can noticeably change your scooter’s acceleration or top speed. This guide explains how to choose the right weight and dial in your CVT for your...
by [email protected] | May 11, 2026 | Performance Guides
Upgrading the variator is one of the best CVT performance improvements for a GY6 scooter. A performance variator uses optimized ramp angles to widen the effective ratio spread — giving better acceleration and higher top speed compared to the stock unit. This guide...
by [email protected] | May 11, 2026 | Performance Guides
A big bore kit is the single most effective performance upgrade for a GY6 scooter. By increasing the cylinder bore diameter, you increase displacement — and with it, torque and top speed. This guide walks you through selecting the right kit for your GY6 125cc or 150cc...
by [email protected] | May 11, 2026 | Performance Guides
Installing a big bore kit on a GY6 engine is a straightforward top-end rebuild. With basic hand tools and about 3 hours, you can increase displacement from 150 cc to 171 cc or 180 cc. This guide covers the full process from draining oil to break-in. Tools Needed...
