150HP XR6 stuck in reverse

frankj1

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Joined
Apr 5, 2009
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Engine type: Mercury 150HP XR6 1996 V6 carb

Problem: stuck in reverse

I have removed the linkage control at top of engine and manually moved the shift arm. It swings 90 degrees freely with no resistance. I have ordered a service manual so thought I would post my symptoms on the forum to get any advice before I remove the lower unit.

Any ideas on what this might be? gears? shift fork? etc????

Do I need to remove the lower unit or are the gears and/or assembly accessible via the drive shaft behind the prop?
 
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