1991-2007 Mercruiser #14 Alpha Sterndrive Generation II Service Manual, Page 33Get this manual

1991-2007 Mercruiser #14 Alpha Sterndrive Generation II Service Manual, Page 33

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TROUBLESHOOTING
Worn U-joint shaft splines andor engine coupler splines
Engine alignment incorrect or engine coupler crooked
Loose gimbal bearing
Gimbal bearing not fully seate