1981 johnson 9.9 PROPS

Have a question about your motor? All motor talk and questions go here.
Post Reply
brianlt21
Posts: 60
Joined: 28 Jun 2008, 16:59
Location: natrona heights pa

1981 johnson 9.9 PROPS

Post by brianlt21 » 09 Mar 2009, 17:20

I was looking for a new motor or carb but someone said try a prop first.. Well what are you guys running on your 9.9s with a new deck in your boat? I currently have a 9 1/2 x 10 and someone said to drop to a 9 1/4 x 7 but don't know what my rpms are or speed and don't want to blow my motor up.

Post Reply