Description
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
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Full Assembly: Includes the variator pulley, fan-side drive face, ramp plate, slides, and the drive boss for a comprehensive transmission refresh.
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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.
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Direct OEM Fit: Engineered to match factory tolerances, ensuring a seamless swap that requires no modifications to your CVT case or belt.
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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.
Features
- Complete ready-to-install kit
- Pre-loaded 14g roller weights (18x14mm) for 125–170cc engines
- Direct OEM fit — no CVT case or belt modifications needed
- High-pressure cast aluminum construction
- Engineered to factory tolerances
Specifications
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Drive Face Diameter: 106mm
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Spline Count: 19-Tooth
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Roller Weights: 18x14mm (14g)
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Drive Boss OD/ID: 24mm / 15mm
Mechanic's Note: If your variator is worn out, your drive belt likely is too. The supplier recommends 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
Model Fitment
| Brand / Family |
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 125–150cc Chinese scooters with 152QMI / 157QMJ / 161QMK engines |
Product Diagrams
