Carb Rebuild Kit; 139QMB
Carb Rebuild Kit; 139QMB
$25.96
10 in stock
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.
Product Details
Description
Carb Rebuild Kit; 139QMB
Key Details
- Original Parts For Scooters SKU: 151-267
Compatibility
Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.
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, 80cc
- Engine Code: 139QMB
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 | 0.3 lbs |
|---|---|
| Dimensions | 3 × 2.5 × 1.5 in |
Restore your clogged or worn CVK carburetor with this complete rebuild kit for 139QMB (GY50) 50cc and 80cc scooters. Fits 18mm and 19mm CVK constant-velocity carburetors — commonly the PD18J or PD19J models found on virtually all 139QMB-based Chinese scooters. The kit includes every internal wear item needed for a full rebuild: float, needle seat, main jet, pilot jet, needle jet, mixture screw with spring and o-ring, e-clip, flat washer, and float bowl gasket.
Kit Contents
- White plastic float with hinge arm
- Float needle (needle seat)
- Main jet (brass hex body)
- Pilot / idle jet (small brass)
- Needle jet (silver tapered)
- Mixture screw with spring and o-ring
- E-clip
- Flat washer
- Float bowl gasket (rectangular rubber)
- Pilot Jet Size: 33
- Carburetor Fit: 18mm and 19mm CVK (PD18J / PD19J)
- Engine: 139QMB / GY50 50cc and 80cc 4-stroke
- SKU: 151-267 / 151-95
Fits 139QMB-based 50cc and 80cc engines with 18mm or 19mm CVK carburetors (PD18J or PD19J). Compatible with the vast majority of Chinese-manufactured 50cc scooters — see brand and model list in product details. Verify your carburetor bore size (18mm or 19mm) before ordering.
