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This might be another possibility. https://www.ebay.com/itm/293624487374

Very nice work!!

Fixed it. Thanks

Robert C nailed it. This is listed as a’63.

http://www.pinrepair.com/minibikes/tecumsehmb.htm#good2

Put your clutch on the crankshaft (inboard or outboard), then place the washers on the 5/16 bolt. Torque the retaining bolt and make sure the clutch still slides freely. Position the clutch halfway between the crankshaft step and your 1 1/8" flat washer. From “ How to install a centrifugal clutch”

Hello Whiz, I’m no expert but my ‘70 Cat has 6” Adran trials on it and they are definitely the original ones.

https://www.ebay.com/itm/265263507684

https://www.ebay.com/itm/265263507684

I think I would try misting it with water and then use a wet cloth to see if it softens up. The adhesive is water soluble so if you’re patient it should loosen up.

Very similar to the clutch on my ‘68 Rupp two-speed jackshaft

I’d want anything from yoko ono so I’d get the hell off that island asap.

I don’t know if this will work for you but the price seems right. https://www.ebay.com/itm/126287291984

I use non-ethanol in all my small engines. I have seen e-10 cause damage to carbs, gasket’s and fuel lines when not drained/ run dry before even a short period of sitting idle. I also use Marvel Mystery Oil in every 3rd tank or so just to keep things clean.

It looks identical to an rmt80 parts bike I had some years ago but I can’t say for certain. Hopefully someone with Rupp serial number knowledge will help you out.

This is a ‘72 rmt80. I’m not sure what yours is because they made a few different models.

Powerdyne. I have a half rim that’s identical and Marcus identified as a Powerdyne.

Hi Sparkwizard! I like that you and your son are creative and willing to try outside the box engineering. I hope it works out and that you don’t have to revert to the backup plan ! Happy New Year my friend and good luck with all of your projects!!

Eyelet end or pipe end eyelet but I haven’t found any that are reasonably priced for your application.