Description
Top Marine offers replacement MerCruiser Sterndrive Alpha One Generation 1, ratio 1.47. Replacement unit for MerCruiser R/MR/Alpha One I/O (1972–1990). Covers MerCruiser sterndrives including 228 HP (1974–1990), 225-S (1974), 233 HP (1975–1977), 250 HP (1977), 260 HP (1978–1982), 898/228 HP (1977–1982), R/MR/Alpha One (1983–1990), and 1983–1990 applications including 5.7L and 5.0L (4-barrel carburetor), plus 350 and 305 (4-barrel carburetor). Also covers 260 HP, 230 HP, and 228 HP horsepower applications. Includes a 9-9/16 driveshaft yoke for new models. Does not include installation kit or anode kit. No warranty above 300 HP. Shipping via FedEx in 2 separate boxes. Typically ships within 2 business days; during summer, delivery may take longer. FedEx tracking number will be emailed.
