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Lower Unit CR Yamaha SE418 | Sterndrive Engineering 90-418 CR
Replaces most Yamaha 90 Degree V6 2-Stroke with a 1.86 Gear Ratio.
For Counter Rotation only, do not use for Standard Rotation
Alpha One® Gen II Trim Cylinder Port | Sterndrive Engineering 9B-116-02
Lower Unit Yamaha SE416 | SEI 90-416
Alpha One® Gen II Sterndrive (1991-Present) | SEI SE116
Alpha One® Gen II Trim Cylinder Starboard | SEI 9B-116-01
SE121 Upper 30/23 Tooth Count Replaces Bravo Upper | SEI 90-121-01A