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BSA (and other) gear cluster IDs needed #524144
01/22/14 1:39 am
01/22/14 1:39 am
Joined: Oct 2010
Posts: 42
Boston
N
Nark Offline OP
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Nark  Offline OP
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Boston
Hi all,

I'm cleaning out my shop and have come up with a melange of gearbox parts that don't go with any bikes I have. Some are leftovers from projects that are lost in the mists of time, some came with lots of parts and I never knew what it was. I was hoping to get some help IDing the various bits.

The first batch is BSA A50/A65 or similar, but I'm not sure what else was similiar:



There are four groups of gears, a number next to a gear denotes the number of teeth. I'm pretty sure there are standard, wide, and close ratio here.

The second batch, I don't know what they are:



The third batch, this is totally random stuff. Could be anything from Harley to Honda Minibike in here:



And the fourth batch, this is real crap, but some is distinctive and may be related to some of the other stuff:



Can anyone ID this stuff? I'd appreciate any help.

Thanks!

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Re: BSA (and other) gear cluster IDs needed [Re: Nark] #524313
01/23/14 9:25 am
01/23/14 9:25 am
Joined: Apr 2005
Posts: 2,359
Bega NSW Australia
Mark Parker Online content
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Mark Parker  Online Content
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Posts: 2,359
Bega NSW Australia
In #1 the 24t and 16t are C/Ratio 1st gear pairs. In #3 is a 23t C/R second it should pair with a 25t partner which might be there hard to tell without counting teeth. If those gears are good and you don't want to use them, I have a friend looking for some. 5/10 is an A65 camgear.


mark
Re: BSA (and other) gear cluster IDs needed [Re: Mark Parker] #527479
02/11/14 8:38 am
02/11/14 8:38 am
Joined: Oct 2010
Posts: 42
Boston
N
Nark Offline OP
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Nark  Offline OP
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Posts: 42
Boston
Thanks for the info. The close ratio gears are not prime material, a little bit of pitting, but not so much that I wouldn't race on them. I don't have the mainshaft 2nd though, and the dogs on the layshaft 2nd are a bit too rounded, I suspect it'll have problems popping out of gear. I'll grind them to a bit of an undercut and see what they look like. PM me with your contact info, I'll try taking better pictures to show what condition the teeth are in, but I've had trouble getting good photos of the partially dark and partially reflective gears.

Re: BSA (and other) gear cluster IDs needed [Re: Nark] #527480
02/11/14 8:47 am
02/11/14 8:47 am
Joined: Oct 2010
Posts: 42
Boston
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Nark Offline OP
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Nark  Offline OP
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Boston
I've figured out what most of the stuff is - most of the ones in the 2nd photo are Triumph 350/500, plus some Triumph 5 speed and a 650 4 speed or two. I also found a handful of Norton and a couple from CB350.

This is what I've got left that I can't identify - the top row reminds me of Royal Enfield, that's the only thing I know of that has the four large dogs, but don't think they are. The pressure angle of the ones in the top middle makes me think something with a lot of torque, but I don't know what and I have no idea where they came from. It's tough to get good pictures of these things.

Re: BSA (and other) gear cluster IDs needed [Re: Nark] #527496
02/11/14 10:43 am
02/11/14 10:43 am
Joined: May 2013
Posts: 4,735
Rotherham - S. Yorkshire
Allan Gill Online happy

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Allan Gill  Online Happy

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Rotherham - S. Yorkshire
Nark, If you are after selling the C/R gears, I will take them off you. I will have to do some checking, but I might (that's a big might) be able to get copies made, using these as a pattern.


beerchug
Re: BSA (and other) gear cluster IDs needed [Re: Nark] #527550
02/11/14 4:52 pm
02/11/14 4:52 pm
Joined: Oct 2001
Posts: 541
Howard City, MI
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Ed V Offline

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Howard City, MI
At one point in time you were playing with a 4 speed Sportster as I see a male and female gear from one in your list there

Re: BSA (and other) gear cluster IDs needed [Re: Ed V] #527703
02/12/14 11:57 am
02/12/14 11:57 am
Joined: Oct 2010
Posts: 42
Boston
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Nark Offline OP
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Nark  Offline OP
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Posts: 42
Boston
Which ones are the Sportster? I've never been inside one, but I've got a lot of weird parts that came in lots with stuff that I wanted. For some reason I'd wondered about Harley, it might have just been the size of the gears and the odd pressure angle of the teeth, but I wasn't able to match them to pictures I could find online.

Re: BSA (and other) gear cluster IDs needed [Re: Nark] #527727
02/12/14 1:28 pm
02/12/14 1:28 pm
Joined: Oct 2001
Posts: 541
Howard City, MI
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Ed V Offline

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Howard City, MI
The center two gears at the top of the last photo are 4 speed Sportster gears, I am not sure if they are layshaft or mainshaft though.

Re: BSA (and other) gear cluster IDs needed [Re: Ed V] #527739
02/12/14 1:44 pm
02/12/14 1:44 pm
Joined: Oct 2011
Posts: 173
South Africa.
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Elijah Offline
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Elijah  Offline
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South Africa.
Top row , fourth gear along is 45" HD flattie.
Second row , second along is HD big twin K/S ratchet, fifth along is 45" K/S ratchet.
Bottom row fourth item is 45" HD " shifter clutch"

Re: BSA (and other) gear cluster IDs needed [Re: Elijah] #527848
02/12/14 10:14 pm
02/12/14 10:14 pm
Joined: Oct 2010
Posts: 42
Boston
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Nark Offline OP
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Nark  Offline OP
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Posts: 42
Boston
Ok, so youse guys recognized the Harley gears, do you have any use for them? I'm guessing they're not high value items, please correct me if I'm wrong, but you can have them for the price of postage if you want. Otherwise I'll take them to the local Harley shop (who tolerate me when I come in looking for weird parts left over from the chopper days for my Triumph hack) and see if they want the stuff.

Anything I can't identify, or can identify but don't care about, and isn't worth selling, within a week is going to a welder/artist friend. Anything British or Italian is stuff I care about.


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