ScootsUSA Select – Variator Kit (high Performance) Koso GY6-QMB 49cc Chinese Scooters Shaft 14mm OD 88

Compatibility / Fitment

Use the fitment details below to confirm this part matches your vehicle before ordering.

• Engine Size: 49cc, GY6, QMB139
• Fits Models / Common Applications: Chinese Scooters, Scooters
• Fitment Notes: Transmission, Roller Weights

Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible vehicle. If your vehicle has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.

Common Fitment Questions

Q: Will this fit my 49cc engine?

A: This part is listed for 49cc, GY6, QMB139 applications. Verify your engine code and the specifications above before ordering.

Q: How do I confirm this matches my original part?

A: Measure your original part and compare against the listed specs (ID: 19mm; OD: 88; OD: 91mm; Shaft: 14mm). Matching measurements is the most reliable way to confirm fitment.