Product Details
DESCRIPTION: Sourced from one of the most reputable Taiwanese exhaust manufacturers, the RDLN performance exhaust works for all sport-style GY6 50 / 139QMB scooters (50cc 4T).NOTE:This WILL NOT fit vintage-styled GY6 50cc scooters like the TNG Milano or Fly Il Bello.Specifications:Stainless steelDimensions: 20"L x 11"W x 6"HCompatibility:Sport-style GY6 50/139QMB scooters (50cc 4T)139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon't see your engine listed? If the engine code includes "QM" or "FM" and your scooter is sport-styled, this part is compatible with your vehicle.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.
SPECIFICATIONS: Stainless steel
COMPATIBILITY: Sport-style GY6 50/139QMB scooters (50cc 4T)139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon't see your engine listed? If the engine code includes "QM" or "FM" and your scooter is sport-styled, this part is compatible with your vehicle.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.
139QMB ENGINES: scooters (50cc 4T).
NOTE: This WILL NOT fit vintage-styled GY6 50cc scooters like the TNG Milano or Fly Il Bello.
Additional information
| Weight | 9 lbs |
|---|---|
| Dimensions | 20 × 11 × 6 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc, GY6, 4-Stroke
- Engine Code: 139QMB
- Fitment Notes: Performance
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter 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 a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 9 lbs |
|---|---|
| Dimensions | 20 × 11 × 6 in |





