atomic makes a aluminum adjuster that looks like you could get rid of the short cable.
https://www.treatland.tv/ProductDetails.asp?ProductCode=atomic-za50-adjuster
just use a brake cable with a standard adjuster and the lead knarp go to the starter clutch and use the standard adjuster to adjust it with.
1 of the 2 links should work
i`m going to try it and let ya know (edited)