R swinger on S question

I have to admit that I don't know because I've never done the conversion. But I have had both the TLR and TLS swingarm pivots apart.

The TLR seals and pivot shaft appear to be pretty specific to the adjustable eccentric carrier that only the TLR has. It also has double bearings on the chain side and a specific spacer between bearings and another specific spacer on the non-chain side. So yes, like Ring-In says, you probably have to assemble the bearings and middle spacer like the TLR.

The TLS swingarm pivot tube has each end turned down to fit the TLS seals. Those TLS seals are each meant to work with thrust washer 08211-25481. Will the TLS seal even fit the TLR swingarm end?

You don't have the adjustable-offset carrier on the TLS. So I assume you'd use the TLS pivot shaft. Didn't you have to cut some of the TLS frame?

The TLR fiche doesn't show any seal or thrust washer on the chain side, just 2 bearings against the adjustable-offset carrier. I suppose on the transplant I'd want a thrust washer and seal, but I don't know whether the TLS seal will even fit the TLR without some fancy machining of the swingarm pivot tube end. I imagine most people just set it up like a TLR without any thrust washer or seal. Are the TLS chain-side bearings sealed or open?? I can't remember...

On the non-chain brake side it looks like you can just use the TLR bearing then the TLR seal 09283-30053 and external spacer 61251-02FA0.

Just make sure you check the chain alignment as you go. I'm not much help, and someone who's done it might answer the specifics better about the chain side.

I assume you use the TLS pivot shaft and nuts & washers. I'd sure as hell use thrust washers rather than bend the frame in very much to tighten.

Good luck.