Blue Line OEM-Spec Variator Assembly: GY6 125-170cc
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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
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.