Mercury 20 horse reverse

[Joel budd]

My son's 1992 Mercury 20 h

My son's 1992 Mercury 20 horse won't go in reverse. Worked fine last year and worked once when we took it out for first time last weekend. Any ideas. Once it's in reverse it worked fine but seems like it is just locked up.

 

[beckerjs]

was the lower unit removed for

was the lower unit removed for a waterpump recently?

 

[Joel budd]

Didn't do a thing to it.

Didn't do a thing to it.

 

[beckerjs]

cold weather? possible freeze

cold weather? possible freeze damage. remove drain plug and check for water/metel