prop only spins one way and locks up and makes clunking noise

[Safe]

1989 thompson daytona 310 mercruiser alpha 1 gen 1 twin 190 hp one of my drives the prop spins one way but locks up when i spin it the other way but after trying a couple times to spin it it finally spins but makes a clunking noise what can that be coming from

 

[GA_Boater]

Welcome aboard.

What you are describing sounds like the drive is in Forward.

In Forward the prop locks one way and clicks in the opposite direction. The clicking is from the dog clutches used to prevent the prop from trying to drive the engine backwards as a boat slows down or the motor is shut off in gear. Neutral has a free spinning prop and Reverse locks in both directions.

 

[Bondo]

Reverse locks in both directions.

Nope,.... Reverse ratchets the opposite of forward, but still ratchets,....

Welcome Aboard Safe,... It sounds normal, except it should never slip goin' against the dog-clutch,....
Might be a mis-adjusted lower shift cable, or not,...

 

[GA_Boater]

Nope,.... Reverse ratchets the opposite of forward, but still ratchets,....

Welcome Aboard Safe,... It sounds normal, except it should never slip goin' against the dog-clutch,....
Might be a mis-adjusted lower shift cable, or not,...

To much old outboard work and too long since Mercruiser work.

Thanks for straightening me out, Bondo.

 

[Safe]

Thank you boat was in gear spins freely in both directions in neutral

 

[Watermann]

So you're spinning the prop with your hand while on the trailer and there's no issue when your on the water?

 

[Safe]

So you're spinning the prop with your hand while on the trailer and there's no issue when your on the water?

i have not put boat in the water yet still to cold in michigan

 

[jsparks747]

As long as it spins properly as said above and isn't seized I would say try it out. Put some rabbit ears on it and start it up. That is what I do to make sure there are no issues I need to fix before it is boating season.