5 Wire Voltage Regulator Rectifier for CF250 CF 250cc Water Cooled Go Karts Moped Scooters Dune Buggys Sandrail 5 Wire Voltage Regulator Rectifier. Top Quality Guaranteed. 5-Wire Volt Regulator Rectifier for Go Karts, Moped, Scooters and CF172MM(250CC) Water Cooled Engine. Spacing between holes: 3.2"; 269-999012(6-Wire) has the same function with this product Regulate voltage stability; Good Temperature characteristics; Durable in use; Dependable performance with competitive price.