I was able to put these on without a problem.
https://tstindustries.com/Swingarm-Spools-Sliders-Womet-Tech-Yamaha.html
and I use this stand, all the way out it just fits.
Vortex Rear Motorcycle Stand (Spooled) - Sportbike Track Gear
I was able to put these on without a problem.Does anyone know what size swing arm bobbin/spool the 959 uses? I need them for the pickup forks for my rear stand.