Teeth look a little "sharp" to me, but I'm not at all knowledgable about this stuff.
Opinions
btw.... teeth on the OD shaft look good, no signs of wear.
Opinions
btw.... teeth on the OD shaft look good, no signs of wear.
What do you OD savy guys think ??
Kidnova
1 - 20 of 27 Posts
It is bad replace it now.
Even if you can't afford a new one now don't even think of putting it back togeather with that on there.
That is one of the reasons that I pull both of my drives every fall.
So that I can grease the U joints and the input shaft.
My couplings are 14 years old and look like new.
Even if you can't afford a new one now don't even think of putting it back togeather with that on there.
That is one of the reasons that I pull both of my drives every fall.
So that I can grease the U joints and the input shaft.
My couplings are 14 years old and look like new.
Joined
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98 Posts
Looks like you got all the good out of that, supposed to have those little flats between splines all the way thru.
Joined
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1,763 Posts
All hell, just put some spacers behind the coupler moving it out and use those last good 1/2" splines.
Or just go ahead and replace it.
Or just go ahead and replace it.
Joined
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6,657 Posts
Or I could just stuff some JB weld in it and shove in the shaft :laugher:US1Fountain said:All hell, just put some spacers behind the coupler moving it out and use those last good 1/2" splines.
I'm not sure how often it was greased before I bought the boat (We've had it 4 seasons). After I bought it, I had a local shop pull the OD and grease it. Only done that twice since buying the boat..... my bad :dead:
Lesson learned. I'll be pulling the OD annually now to grease the splines, with the correct Merc grease.
So, where's the best buy on drive couplers
CP has them for $349.00. Mine has the aluminum insert, OEM I believe. I've been told they can be had with steel inserts for hp applications. Aluminum would be fine I think, when properly maintained. Any thoughts on aluminum vs steel ?
Joined
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1,763 Posts
I prefer aluminum. Would rather wear out a coupler alone than both the shaft and coupler.
Alum has been fine for tons of HP motors. Alignment and maintance plays a bigger role.
Alum has been fine for tons of HP motors. Alignment and maintance plays a bigger role.
Joined
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683 Posts
Make sure when you grease it you use SPLINE grease and not bearing grease!!!!!!! This is what can happen if you don't........
Joined
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1,802 Posts
Ebay has the best prices I've seen on couplers, $260. I just saw an alignment tool too in one of these posts for $40. It was a post asking if the guy could use the drive shaft as a alignment tool. It was either here or OSO.
Also check out the front motor mounts. If they are a rust POS you would be wise to buy new. It is most useful to have the nuts spin free when aligning the engine.
BT
Also check out the front motor mounts. If they are a rust POS you would be wise to buy new. It is most useful to have the nuts spin free when aligning the engine.
BT
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