At times, lower units need to be serviced to perform optimally. Sometimes it can be something as simple as oil change of the gearing system, other times at simple adjustment of the shift-shaft cable.
Sterndrives have flexible gaskets called "bellows" that seal the water out where the universal joint, shift cable and exhaust run between the boat and the drive. They have a tendency to dry rot. It is extremely important that these are replaced at the first sign of a tear.
What is a gimbal bearing and why do I need to worry about it? The gimbal bearing is a bearing that supports and helps to spin the driveshaft from the lower unit into the boat's engine. A gimbal bearing only needs to be replaced if the bellows were damaged allowing water to enter the gimbal bearing compartment or the gimbal bearing is not spinning smoothly.
A propeller is an integral part of a stern-drive/lower unit. If a propeller is damaged or out of balance, it can have a serious impact on the stern-drive/transmission. We pride ourselves in being able to repair and re-balance most propellers.
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