## Oil Pump Drive Shaft 139FMB 50 4T AC This oil pump drive shaft is an essential component for the proper functioning of the 139FMB 50 4T AC engine in your motorcycle or scooter. It ensures proper lubrication of all moving engine parts, which translates into longer engine life and trouble-free operation. ### Why choose this drive shaft? Precise workmanship and high-quality materials guarantee reliability and resistance to wear. This allows you to enjoy smooth and trouble-free riding for a long time. Using this drive shaft contributes to maintaining the optimal engine temperature and minimizes the risk of failure. ### Compatibility: The drive shaft is dedicated to 139FMB 50 4T AC engines, commonly used in scooters and motorcycles with a capacity of 50 cm3. Make sure this model is compatible with your vehicle before purchasing. ### Installation: Replacing the oil pump drive shaft is relatively simple, however, it is recommended that it be carried out by a qualified mechanic. This will avoid potential errors and ensure the proper operation of the entire lubrication system.