Dimensions of Rollfast/Hawthorne springer fork rocker plates and bushings?

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mrg

Riding a '38 Autocycle Deluxe
Aug 9, 2010
5,102
socal
I could use a couple of sets, with all the different variations of that springer are the bushings all the same?
 

FSH

Finally riding a big boys bike
Aug 27, 2018
462
Corona
I could use a couple of sets, with all the different variations of that springer are the bushings all the same?
I am not sure. However, if you have the dimensions I can make them...PM me if you are interested
 

ranman

Wore out three sets of tires already!
Apr 30, 2014
809
Harrisonville, Mo.
Sorry for the delay. I had to take these parts off my bike to measure them and couldn't get to it earlier in the week.

Hopefully this is the springer you have. :D
1941Hawthorne035_zps76f88da5-1.jpg


And these are the parts you need?
ForkParts03_zps1fcd9a0a-1.jpg


I calculated the 2.052 dimension by adding half the diameter of each hole to 1.687 reference. But I included the reference dimensions since that is what you asked for.
ForkParts05a_zps5aa891f7-1.jpg



ForkParts08a_zps797ae45c-1.jpg


The shoulder length is .187 but the rocker plate is .125 and the brass washer is .062, which means that when you bolt everything up tight it is line to line. I noticed that I had some binding in mine, so I added some 1/32" thick shims that basically extend the length of the shoulder by about .030. That is probably a little too much but that was all I had. If I was going to make the shoulder bolt myself, I would probably make the shoulder .200 long instead of .187 just to make sure there would be a little bit of clearance when everything is tightened up.
ForkParts10a_zpsf5c10b27-1.jpg


I added the little shim to the left to create a little more clearance.
ForkParts09a_zps85943aaf-1.jpg



ForkParts06a_zps86f56a68-1.jpg


Hope this helps,
Rusty.
 

ranman

Wore out three sets of tires already!
Apr 30, 2014
809
Harrisonville, Mo.
I have a little different style springer and asking for some help. I know I’m missing a rocker arm bolt if anyone has an extra one.
Is there a similar assembly diagram for this springer?
Any help appreciated. Thanks.

B3A6DDF2-D891-44BC-8916-D4780ED54544.jpeg


1517FA78-B4E8-4969-9E97-1659E88D0408.jpeg
 

Rustafari

Finally riding a big boys bike
Mar 4, 2013
211
SoCal
Ha! I just ran across this thread again. I remember doing this now but to be honest, I'd forgotten about it (6 years ago). lol

Glad to see that it has helped some people! Thanks to all for the additional contributions!
 
Last edited:
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Rustafari

Finally riding a big boys bike
Mar 4, 2013
211
SoCal
I have a little different style springer and asking for some help. I know I’m missing a rocker arm bolt if anyone has an extra one.
Is there a similar assembly diagram for this springer?
Any help appreciated. Thanks.
Ranman,
That fork is from a Hopalong Cassidy bike from about 1952. The parts are probably slightly different but I'm pretty sure that the assembly would be the same as the Hawthorne.

Edit: From the looks of barracuda's bike in post #8, it looks like Hawthorne may have used it as well!
 
Last edited:

WetDogGraphix

Cruisin' on my Bluebird
Jul 29, 2015
3,408
West Coast
Ha! I just ran across this thread again. I remember doing this now but to be honest, I'd forgotten about it (6 years ago). lol

Glad to see that it has helped some people! Thanks to all for the additional contributions!
It really helped me on my 49 Hawthorne, and I've saved this thread and pics to help others also....Thanks...
 
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