Hello Neil, send my your emailadres ( in PM) and I will send pictures of the " manual " it is in fact 1 page. Tried...but can't get the pics on here.
The only special( not useual) is the oil . 5w50 full synt.oil , and , on the site of Cosworth they recommend to change sparkplugs every 5000 km.
Stefan
ARP4 😁😁😁