Neck Lock

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white1j0
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Neck Lock

#1

Post by white1j0 » Wed Oct 10, 2012 6:32 pm

I'm looking at buying a NOS neck lock made by B & S, but there's no pin , spring or plug, anyone know where they can be found, also does that plug press in or is it welded, also if not, anyone know the exact dimensions of the pin, Thanks Whitey



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Re: Neck Lock

#2

Post by 1950Panhead » Wed Oct 10, 2012 11:08 pm

Two on Ebay.
http://www.ebay.com/itm/NOS-VINTAGE-HAR ... 4a&vxp=mtr" onclick="window.open(this.href);return false;
http://www.ebay.com/itm/NOS-HARLEY-ORIG ... 7c&vxp=mtr" onclick="window.open(this.href);return false;
Jerry

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Re: Neck Lock

#3

Post by Cotten » Wed Oct 10, 2012 11:11 pm

Folks,

I am not superstitious,
but I omit the spring anyway.

....Cotten

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Re: Neck Lock

#4

Post by UPSROD » Wed Oct 10, 2012 11:15 pm

The guys in Canada are buying the lock sets from Bill's in Pa. He has sold them forever @ $50.00.

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Re: Neck Lock

#5

Post by white1j0 » Thu Oct 11, 2012 1:00 am

I was out at Bills on Sunday, but his shop was closed,thats where I'm getting the lock from, but what I need is the spring, locking pin and the plug, anyone know where I can buy them, or I could make the pin if I new the exact dimensions

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Re: Neck Lock

#6

Post by Hog54 » Thu Oct 11, 2012 1:39 am

The only way you can get the spring,plug and pin is get the V-Twin one.The locks look the same anyway and you can get briggs and stratten keys just about anywhere.

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Re: Neck Lock

#7

Post by UPSROD » Thu Oct 11, 2012 1:50 am

Harley stopped using the spring at some point, my 65 never had one, you don't need it. The plug is a welch plug you can get at an auto parts store. I don't know the roll pin size, match one to the hole in your neck casting. You will have to carefully drill a hole for the pin in your new lock.

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Re: Neck Lock

#8

Post by Cotten » Thu Oct 11, 2012 3:02 am

white1j0!

The 48152-30 plunger that locks the fork is quite simple,
if one has a loose example to copy.
(I have a V-TWIN in packaging, but would rather not trust it.)

I would advise against a rollpin for locking the core, as they are a trap to remove for future generations.
Instead, I advise tapping the original hole for a #6 set screw, and capping over it with paint or whatever.

MY '65 Parts Catalog shows no spring for any year.

...Cotten

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Re: Neck Lock

#9

Post by white1j0 » Tue Oct 16, 2012 11:17 pm

I just received my neck lock from Bill's, I'm trying to install it but my neck is a V-twin re-pop and doesn't have the roll pin hole, plus I just had the frame powder coated two weeks ago, so I masked over the boss and centered punched and drilled a hole 13/32" in at apprx. 1:00 as according to the knowledge base, I'm gonna tap it to except a #2 set screw which Cotton posted, Which I think is a great idea, but now I still need the dimensions for the locking pin, I want to just turn one on my lathe, also does the spring go on the front or back, Any help would be greatly appreaciated, Thanks Whitey

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Re: Neck Lock

#10

Post by Cotten » Wed Oct 17, 2012 12:07 am

Whitey!

I hope you really meant a 3/32" hole, as that would be a good pilot.
And I suggested using a #6 set screw instead of a locking pin, which will require that you open up the hole to a #36 drill, or a 7/64" at most.

The real trick is to determine if the set screw or pin actually retains the core.
Originals seemed to depend upon drilling a detente hole into the core, which seems "dicey".

Please ink the outside of the core well with a felt-tipped pen, and insert it fully into its bore, with the key slot indexed.
Then use a wire or toothpick to mark through the pin hole to indicate its location upon the core.

If it seems to be in a safe spot, making a flat with a file may be of advantage for the set screw or pin, which ever you choose.
We do not want the core to walk outward, especially if you choose to use the spring!

....Cotten

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Re: Neck Lock

#11

Post by white1j0 » Wed Oct 17, 2012 1:04 am

The locking pin I'm refering to, which I need dimentions for is the pin that locks the neck, Bill only sells the lock, and none of the internal parts,as far as the 13/32" thats the distance from the face of the boss to where the hole for the roll pins is located,which I'm not using a roll pin I'm using a #2 set screw, I drilled the hole to .086" and tap it for a #2 set screw, 56NS

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Re: Neck Lock

#12

Post by UPSROD » Wed Oct 17, 2012 1:48 am

The plunger is part # 48152-30. They are on ebay once in a wile.

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Re: Neck Lock

#13

Post by Cotten » Wed Oct 17, 2012 5:20 pm

Whitey!

I finally found an OEM plunger, hope this helps...
PLUNGER.jpg
....Cotten
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Re: Neck Lock

#14

Post by white1j0 » Thu Oct 18, 2012 9:39 pm

Thanks Cotten, I didn't see your post until this afternoon, I spent a half a day yesterday taking measurements on my neck, and made one up out of a piece of 3/4" titanium I had laying around it's only a few .001s off from your sketch, your post should be put in the knowledge base, I'm sure there's alot of people out there that could use that info. I know it would of saved me about 2 hours of work, Thanks again Whitey

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