https://www.ebay.co.uk/itm/10x30x30mm-Engine-Mounting-Bush-Silent-Block-for-Mopeds-and-others/372978587957?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649   Found a cheap replacement bush for the reaction rod, just had to file off 1mm from the inner sleeve length