Alpha 1 gen 1 vent screw thread size & pitch

H

h22221

Cadet
Joined
Apr 30, 2021
Messages
21
Hi all

I want to retrofit a DIY thru hull oil reservoir to my alpha 1 gen 1, so does anyone know the vent screw thread size & pitch please?

Any tips on doing this? I remember seeing a mercruiser bulletin about it but can't seem to find it anywhere...

Any help is much appreciated.

Thanks
 
H

h22221

Cadet
Joined
Apr 30, 2021
Messages
21
Bondo said:
Ayuh,...... 3/8" - 16,....
Click to expand...
Also, do you know the part number for the connector mercruiser use for the 3/8 16 vent hole to barb fitting please?
I want to make it as 'slim line' as possible, so ideally a 5/16 barb to 3/8 16 male thread, or even 3/8 16 to 3/8 BSP ( which I think is 19 pitch?) hard to find the right thing! Or even female 3/8 16 to barb or bsp....

Thanks again
 
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