Product Details
Description
Blue Line Exhaust Gasket (50 cc); QMB139, Minarelli
Key Details
- od:30mm, id: 23mm, T:4mm Org. Parts For Scooters SKU 150-52
Replacement Part Details
Use this part when the original component is worn, damaged, missing, or no longer working correctly. Many scooter parts can look similar but use different sizes, plugs, brackets, thread patterns, or mounting styles, so careful comparison before purchase is recommended.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, QMB139, Minarelli
- Engine Code: QMB139
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 QMB139 engine?
A: This SKU is listed as compatible with QMB139 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 | 0.1 lbs |
|---|---|
| Dimensions | 1 × 1 × 0.2 in |
| Condition | New |
|---|
Blue Line OEM exhaust gasket for Chicago Scooter Company Bella Classic 50, Nitro Sport 50 and Pug 50 scooters, all 139QMB bikes and most Minarelli 50cc scooters.
Original Parts For Scooters SKU 150-52
- Inner Diameter: 25.25mm
- Outer Diameter: 32.25mm
- Thickness: 4mm
| Genuine Bella Classic 50 | Genuine Nitro Sport 50 |
| Genuine Pug 50 | Â |
139QMB-based 50cc / 80cc engines with the following engine codes:
| 139QMA | 139QMB | 1P39QMB | 1P39QMA-2 |
| YN139QMB | JJ1P39QMB | 139FMA-2 | BD1P39QMB |
| BN139QMB | 147QMD | Other QMA models | Other QMB models |
Don't see your engine listed? If the engine code includes "QM" or "FM", this product is compatible with your vehicle.
About Blue Line: Blue Line offers OEM equivalent replacement parts for on-road scooters. Blue Line parts are a direct-fit replacement when OEM parts are unavailable or overly expensive for your scooter. Since 2018, Blue Line has provided quality parts at great prices.





