Long story short I had to take my HD apart and put back together. Now my motor runs fun full throttle out of water but when it's in water under load won't go, it's like the clutch or belt is slipping. Any help would be greatly appreciated.

neither one of them are probably slipping.
Going by your sig, you've got an EFI. you may have messed up something with the computer.


what exactly did you take apart on your motor??

Nothing. Just took out drive apart

does it sound like anything is slipping?
Is your motor bogging down in the water?
Is your belt tension right?
Lots of different things to check

I don't have a tension gause and I'm wondering if that is what it is. Belt is pretty dang tight though. Also, I can't hear and slipping. When it happens also, the prop is still spinning slowly put engine rpm is high

Hmm, you don't want the belt to be too tight, or it will stretch and pop. Tension guage would be best.

is the clutch tighted down and not able to slip?
Someone else here will chime in soon and help you out probably a little better than I can

Haha I appreciate the input. Clutch is tight as well.

Make sure you still have good power and ground to clutch

Possible u left a key out of pulley??

I am pretty sure all keys are back in. Just to be sure what all should be keyed? Also, I have good power and ground.

Im thinking of key in lower pulley. Does the clutck make a solid click when engaged?

It's keyed and yes it makes a distinct click when it engages

Just verifieng your motor free revs in water with clutch locked in...

It will push when engaging the gear but when I get in the throttle it won't go anywhere. Prop still spinning when it does this, just not very fast

Anybody else have any input on what may be going on?

Does the engine itself rev like it should and just the boat just doesn't move? (Meaning some sort of disconnect between the engine and prop?)

Yes, engine revs as it should

I would open up the cover of the outdrive, engage the clutch while the engine is OFF and try to turn the prop by hand.
If the prop turns and it doesn't turn over the engine, then you have something slipping/key missing

I'll try that. Thanks guys

Also there is about 1/8-1/4 in gap between the front and back pieces of the clutch. I can't remember if that's normal or not.

Sounds like that thing needs to find its way to a shop.

1/8 to 1/4 sounds like alot of gap

It was the clutch and I fixed it myself, but thanks for the input guys.