Blue Line OEM-Spec Variator Assembly: GY6 125-170cc

Reliable Restoration: Blue Line OEM-Spec Variator Assembly Restore your scooter’s smooth acceleration with the Blue Line Variator Assembly . Designed as a direct-fit, OEM-Quality replacement, this complete kit is the ideal solution for worn-out pulleys, grooved drive faces, or flat-spotted rollers. Whether you're maintaining a Genuine Buddy or a standard Chinese GY6, Blue Line delivers factory-level performance without the premium dealership price tag. Complete "Ready-to-Install" Kit Full Assembly: Includes the variator pulley, fan-side drive face, ramp plate, slides, and the drive boss for a comprehensive transmission refresh. Precision Weighted: Comes pre-loaded with a set of six 14g roller weights (18x14mm), optimized for the balance of torque and top speed required for 125cc-170cc engines. Direct OEM Fit: Engineered to match factory tolerances, ensuring a seamless swap that requires no modifications to your CVT case or belt. Durable Alloy Construction: High-pressure cast aluminum provides excellent heat dissipation to prevent belt slip and premature wear. Comprehensive Fitment Guide This assembly is compatible with 152QMI, 157QMJ, and 161QMK based engines, including: Scooter Series Compatible Models Genuine Scooter Co. Buddy 125, Buddy 150, Buddy 170i, Hooligan 170i, Blur 150 SYM & Wolf Fiddle II/III 125, Lucky 150, Jet II GY6 Imports TaoTao, Jonway, Icebear, ZNEN, and most 150cc Chinese Scooters 157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes: 157QMJ 161QMK 152QMI 1P61QMK YN1P57QMJ 1P52FMI 154FMI JJ157QMJ 1P57QMJ BN157QMJ BN161QMK-A Other QMJ, QMK, and QMI models Don't see your engine listed? If the engine code includes "QM" or "FM" along with a "5" or "6", this product is compatible with your vehicle. Technical Specifications Drive Face Diameter: 106mm Spline Count: 19-Tooth Roller Weights: 18x14mm (14g) Drive Boss OD/ID: 24mm / 15mm Mechanic's Note: If your variator is worn out, your drive belt likely is too. We strongly recommend inspecting your belt for cracks or fraying and applying a small amount of high-temp grease to the drive boss during installation to ensure smooth shifting. Part Number: 1200-1182 Brand: Blue Line Parts