Spun Bravo one drive coupler ????
12-02-2008, 10:26 PM
#21
VIP Member
Strip,
Merc offers three different ones that I know of.. The aluminum hub, the short steel hub, and the long steel hub.
My point is that the old one may have been made by a different supplier and it was made better in the old days.
The ones I just ordered a few months back look like the one on the left, accept the back side is not painted. I ordered one for myself, to hold back my new procharged motor, hp to be determined when it is finished. The other was for a customer and it didn't arrive in time for him, so he purchased one elsewhere.. so I have the extra one.
The long steel hub is for the grease seal on the input shaft. Not sure if it is stronger or not. Don't know if either have different rubber compounds or not..
Ken,
Usually the aluminum hubbed units will wear out the splines like you mentioned..
Dick
Merc offers three different ones that I know of.. The aluminum hub, the short steel hub, and the long steel hub.
My point is that the old one may have been made by a different supplier and it was made better in the old days.
The ones I just ordered a few months back look like the one on the left, accept the back side is not painted. I ordered one for myself, to hold back my new procharged motor, hp to be determined when it is finished. The other was for a customer and it didn't arrive in time for him, so he purchased one elsewhere.. so I have the extra one.
The long steel hub is for the grease seal on the input shaft. Not sure if it is stronger or not. Don't know if either have different rubber compounds or not..
Ken,
Usually the aluminum hubbed units will wear out the splines like you mentioned..
Dick
D!ck, I called Merc racing today,they suggested the new style like the one that comes with the 525 and 600sc's the one with the snout, he said it still has a rubber hub in it.
I wonder if its just the longer steel hub the only diff between the old style,
Yea I bet the old one is made diff,Even the one in my old Scarab never went out with 800+,14 years
Rob
I painted it
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