NCY Crankshaft Wrist Pin Bearing (10 mm); For PRCK1
NCY Crankshaft Wrist Pin Bearing (10 mm); For PRCK1
$16.01
Out of 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
NCY Crankshaft Wrist Pin Bearing (10 mm); For PRCK1 is an OEM-style replacement crankshaft assembly for compatible 139QMB scooter engines.
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 Code: 139QMB
- Fitment Notes: OEM
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.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 5.5 × 3.5 × 1 in |
The NCY 10mm Wrist Pin Bearing is the correct replacement small-end bearing for the NCY PRCK1 72cc big bore kit, designed to fit the 10mm wrist pin used in the PRCK1 piston assembly on Minarelli-based and compatible 50cc platforms.Â
- 10mm wrist pin bearing for the NCY PRCK1 big bore kit
- Compatible with Minarelli-based 50cc engines and other platforms using the PRCK1 piston assembly
- Needle/roller bearing construction for low-friction, high-load performance
- Should be replaced at every top-end rebuild alongside the piston, rings, and gaskets
- Sold individually
California Residents: This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.
