Yamaha Lower Unit Assembly - F2.5SMHA 2011-2015 - 69M-G5300-02-4D MerCruiser Gimbal Ring Kits cover plate

cover plate

Regular flushing and inspection are especially important in saltwater

Liquid formula that treats carbon buildup in carburetors

corrosion tends to show up when you least expect it—hidden under a mounting bracket

Yamaha Lower Unit Assembly - F2.5SMHA 2011-2015 - 69M-G5300-02-4D MerCruiser Gimbal Ring Kits cover plateYamaha Lower Unit Assembly Gearcase & Drive System F2. 5SMHA 69M G5300 02 4D Overview Even on a compact motor like the Yamaha F2. 5, the lower unit plays a big role in how smoothly everything runs. This assembly is built to restore proper power transfer from the engine down to the prop, so you get steady, reliable performance every time youre on the water. If your current unit is worn, damaged, or just not running right, swapping it out brings back