evinrude 25hp 1977

 can anyone tell me  the grade of steel the prop shaft is as i want to drill a hole in it to relocate split pin ?????

 


scubafish's picture

Posts: 947

Date Joined: 15/08/12

??

Fri, 2020-05-08 06:35

Cant just get a bigger cotter pin ?
Or is it the drive pin your talking about ?

____________________________________________________________________________

http://img.gg/BQ91Sys

Posts: 27

Date Joined: 31/01/12

 Slit pin hole not lining up

Fri, 2020-05-08 07:22

 Slit pin hole not lining up leaving play in prop about 3mm

 

Posts: 4561

Date Joined: 01/02/10

 Are you using a castle nut?

Fri, 2020-05-08 09:19

 Are you using a castle nut?

____________________________________________________________________________

Does anyone know where the love of god goes, when the waves turn the minutes to hours?

scubafish's picture

Posts: 947

Date Joined: 15/08/12

Is this the motor

Sat, 2020-05-09 09:02

and what number is the prob ,if #1 that just holds the nut in place so it doesn't come loose and fall off.

https://www.crowleymarine.com/johnson-evinrude/parts/40884.cfm?mdl=YFB2JL

____________________________________________________________________________

http://img.gg/BQ91Sys

Brock O's picture

Posts: 3160

Date Joined: 11/01/08

At a guess it would be in the

Fri, 2020-05-08 09:42

At a guess it would be in the medium carbon steel / low alloy range, so slightly harder than you low carbon steel ( Structural Steels Beams, RHS etc )

Yes you could drill it...If going slightly over size to existing a snapped drill bit is possible so getting a good bit and getting your pressure / speed correct is a must.

Posts: 27

Date Joined: 31/01/12

prop

Sat, 2020-05-09 05:30

 thanking you

Posts: 15

Date Joined: 05/09/17

 Why not get a stainless

Sat, 2020-05-09 06:10

 Why not get a stainless steel washer and put it under the nut

____________________________________________________________________________

 RossP

Posts: 546

Date Joined: 20/02/11

 It's most likely 1020 grade,

Sat, 2020-05-09 11:12

 It's most likely 1020 grade, probably around 200 HB. 

____________________________________________________________________________

Mulie