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what is the thickness of 13. UPDATE! #772532
05/02/19 6:23 pm
05/02/19 6:23 pm
Joined: Jan 2002
Posts: 838
hamden, ct.
hacksaw Offline OP
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hacksaw  Offline OP
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Joined: Jan 2002
Posts: 838
hamden, ct.
13 F12007 abutment ring

trying to post the parts page and am having no luck. 1972 bonnie conical front end parts diagram. fig.22 page 64.
its the "washer" that goes between the bottom of the top yoke and top of the stem bearing seal.
i am looking for the thickness.
thank you.

Last edited by hacksaw; 05/11/19 3:33 am.
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Re: what is the thickness of 13 [Re: hacksaw] #772567
05/03/19 3:42 pm
05/03/19 3:42 pm
Joined: Dec 2012
Posts: 249
seattle
T
tiumphdave Offline
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tiumphdave  Offline
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Joined: Dec 2012
Posts: 249
seattle
#13 is actually the dust cover, and #15 are the "abutment rings", the book has them reversed. Also, there is only one of the dust covers, not 2 as indicated. The abutment rings go under the outer races when installed in the frame. The split stem nut passes through the dust cover ( I think you are calling it a washer)- doesn't tighten on it.It is .072" thick, or about 1/16 inch. I think all this was posted before in your other thread.

If your still running out of threads at the split stem nut, I suspect the abutment rings are not installed. I asked you about this, but you never answered. Bear in mind this nut has to bear on the top bearing inner race to "pre-load" the bearings, and any added spacers should only contact that surface.

Re: what is the thickness of 13 [Re: hacksaw] #772570
05/03/19 4:22 pm
05/03/19 4:22 pm
Joined: Jan 2002
Posts: 838
hamden, ct.
hacksaw Offline OP
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hacksaw  Offline OP
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Posts: 838
hamden, ct.
yes you did mention this and i appreciate you going over it again. for some reason i havent been able to wrap my head around this. i will have to mark my manual with the corrections you gave me.

i also didnt understand what a split stem was. lol. doh. i get it now. time to take it apart once more!

thank you.

the problem is that the top yoke fouls the tank. since this "build" is just a mock up to create a roller to sell, i put this front end together with the parts found in a box. i did have 2 dust covers in there! and they were just washers i had on a shelf. i took them out and it helped with tank clearance a little. but as you say , i need to double check for the real abutment rings and find a proper dust cover.

Re: what is the thickness of 13 [Re: hacksaw] #772600
05/03/19 9:29 pm
05/03/19 9:29 pm
Joined: Dec 2013
Posts: 4,599
ohio, usa
kevin roberts Online content

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Re: what is the thickness of 13 [Re: hacksaw] #772621
05/04/19 5:44 am
05/04/19 5:44 am
Joined: Jan 2002
Posts: 838
hamden, ct.
hacksaw Offline OP
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hacksaw  Offline OP
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Joined: Jan 2002
Posts: 838
hamden, ct.
i really would like to have the right parts in there. thanks.

Re: what is the thickness of 13 [Re: tiumphdave] #773322
05/11/19 3:35 am
05/11/19 3:35 am
Joined: Jan 2002
Posts: 838
hamden, ct.
hacksaw Offline OP
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hacksaw  Offline OP
BritBike Forum member

Joined: Jan 2002
Posts: 838
hamden, ct.
abutment rings were
indeed missing! i hope installing them along with the proper dust cover helps!!!!! thank you.


Moderated by  John Healy 

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