520 chain kit recommendations

Mick1976 · Sep 21, 2021

The spacer (which is what they call a thrust bearing) can be a little thick or thin depending on mis matched flanges or carriers used. Also pay attention to what cush drives are used as well it all can throw things off. I have machined bunch different thickness thrust washers to dial in my alignment and use two different laser tools to verify my rear sprocket to front sprocket alignment.

greggiacona said:
Following up on this---so with this particular setup---the stock spacer is too thick to allow perfect chain alignment? It needs to be machined down thinner? I'm considering your setup, but I don't have access to a lathe. Surprised the manufacturer allowed the sprocket carrier tolerance to be "out". Is this machining absolutely necessary? I certainly want correct chain alignment.

Greg

greggiacona · Sep 21, 2021

Interesting, thanks Mick. Is there a specific laser chain alignment tool you can recommend? Also, by what means are you machining down the thrust bearing? Are you using some sort of lathe? I can find a local machine shop to get that done probably if needed.

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Mick1976 · Sep 21, 2021

So yes I used the lathe I actually machined my own spacers out of better quality material stainless steel. I machined a few + - .010 and .020 so I can fine tune alignment. I used a couple gun stock lasers and machined my own mounts.

greggiacona said:
Interesting, thanks Mick. Is there a specific laser chain alignment tool you can recommend? Also, by what means are you machining down the thrust bearing? Are you using some sort of lathe? I can find a local machine shop to get that done probably if needed.

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greggiacona · Sep 21, 2021

Ok all good info thank u

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Mick1976 · Sep 21, 2021

If you decide to get a decent laser alignment tool these work ok.

Profi Laser CAT chain/belt alignment tool (moto-tech.com.au)

There are bunch of gun stock lasers on Ebay just make sure you get one that has a flat side so you can find a flat spot to push down hold in place on the rear sprocket.

greggiacona said:
Ok all good info thank u

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greggiacona · Sep 21, 2021

Thank you Mick!

520 chain kit recommendations

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