Topic: HD25 shear pin size – Antique Outboard Motor Club,Inc

This topic has 12 replies, 7 voices, and was last updated 5 years, 5 months ago by steveh.

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February 7, 2019 at 3:38 pm #166269
Rick Robbins
Participant
What would be the shear pin size for 1950 HD25? Are some available, or do most make them from rod stock?
Rick
February 7, 2019 at 4:45 pm #166274
crosbyman
Participant
Canada Member - 2 Years
a brass bolt shaft or rod of the proper diameter cut to the proper length should do …

Joining AOMCI has priviledges 🙂
February 7, 2019 at 4:45 pm #166275
frankr
Participant
US MEMBER PAY BY CHECK
Part number is 004372. But I can’t find my size chart. I’m guessing (assuming) that they are stainless steel, since the motor has a rubber shock absorber ring in the propeller. Most of us make our own.
- This reply was modified 5 years, 10 months ago by frankr.
February 7, 2019 at 5:53 pm #166281
Rick Robbins
Participant
Looks like a # 6-32 brass machine screw i” long with the head cut off would do the trick.
Thanks for the replies!
- This reply was modified 5 years, 10 months ago by Rick Robbins.
February 7, 2019 at 6:23 pm #166283
rmhxruss
Participant
The correct current part number is 043072 old 43-72. Shows $2.00
February 7, 2019 at 7:47 pm #166285
Buccaneer
Participant
US Member
Prepare to be boarded!
February 7, 2019 at 7:50 pm #166287
Buccaneer
Participant
US Member
Prepare to be boarded!
February 7, 2019 at 7:53 pm #166289
Buccaneer
Participant
US Member
5/32″ appears to be correct.

Prepare to be boarded!
- This reply was modified 5 years, 10 months ago by Buccaneer.
February 7, 2019 at 10:14 pm #166302
Rick Robbins
Participant
WOW, thanks alot for this chart! Much appreciated.
July 19, 2019 at 2:49 pm #179183
Thomas Otto
Participant
I was toying around with the idea of using a drill bit, though that would rust over time and is highly inflexible which may cause other things to fail if something goes wrong. In any case, the drill bit that fit the best is a 1/8″, if that helps. I will attempt to find some brass rod stock and cut one to length, or I may go the brass screw route that was suggested above.

otto_my_way
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