longer kicks start

Try this Tomas

https://www.rgmnorton.co.uk/buy/kickstart-our-own-design-swivels-at-base_728.htm

I could not manage a longer kickstart ,Arthritus is already making it difficult to reach .Something to consider. Perhaps think on a barrel spacer to reduce compression , thinner oil and better sparks.

I have one on my Commando. It does make kicking easier.