Need help with outdrive ID

[fishhat1]

Hello,<br /> I have read the forums for the last 2 days before registering and have not found the answer to my question. My Merc outdrive on my Wellcraft Nova has a number as follows: Merc. 260 6986287 I-50R. Could anyone please tell me what exactly this model is? I'm confused as to it being an Alpha, pre-Alpha, or R drive. I have even looked at the links to other websites but still can't figure it out. <br />Thanks,<br />Ed

 

[bomar76]

Re: Need help with outdrive ID

What year is the boat?

 

[fishhat1]

Re: Need help with outdrive ID

1983 Wellcraft Nova 23XL

 

[Trent]

Re: Need help with outdrive ID

"R" is my bet. Look here to make sure. web page

 

[ottawamerc]

Re: Need help with outdrive ID

Ya I think it's a R drive also. If the lower unit is seperated look at the top of the drive shaft, if it has a little pin in the center then you have a R drive.<br /><br />Scott

 

[fishhat1]

Re: Need help with outdrive ID

Thanks Trent. Next question would be, is it possible the pre-load pin at the top of the shaft broke off? If so, is this pin easy to put back in the top of the shaft? I do have the lower unit off. <br />Thanks,<br />Ed

 

[fishhat1]

Re: Need help with outdrive ID

And thank you too Scott. I believe that pin was there. But, it isn't anymore. There is a little hole in the top of that shaft. And there was a little bit of metal spring up in the top spline but no pin whatsoever. Is it easy to replace and what is it's purpose?<br /><br />Ed

 

[ottawamerc]

Re: Need help with outdrive ID

I'm not sure if it's serviceable? as for the reason for it, it adds a preload to the upper bearing. On the MR the upper bearing is locked into place with a nut.<br /><br />Scott