Heavy-duty front drive pulley assembly compatible with GY6 125 moped engines. Stable power transmission, easy installation, durable CVT spare part.

This front drive variator pulley is a core CVT transmission replacement part specially designed for all GY6 125cc 4-stroke scooters and mopeds. It cooperates with drive belt and rear clutch to realize stepless speed change, controlling startup acceleration and overall power output of the scooter.

Made of high-strength hardened steel with fine machining process, the pulley surface is smooth and wear-resistant. It avoids common problems of inferior pulleys such as deformation, groove scratching and severe belt abrasion after long riding. The standard track size matches original drive belts perfectly, effectively eliminating belt slipping, weak takeoff and noisy transmission.

The overall structure fully conforms to the original GY6 engine size, which can directly replace the old, worn or broken front drive pulley without cutting, drilling or other modifications. It greatly restores smooth CVT shifting performance, enhances low-speed torque and climbing power for daily commuting and short-distance travel.

This front variator pulley solves typical CVT faults: slow acceleration, loud transmission noise, frequent belt breakage and insufficient climbing strength. It is an essential maintenance spare part for GY6 125 scooter owners.

• Fitment: All GY6 125cc 4-stroke scooter, moped
• Part Name: Front Drive Pulley / Variator Assembly
• Material: High Hardness Wear-Resistant Steel
• Function: CVT Stepless Speed Control
• Installation: Direct OEM Replacement