Success in the Fuji Grand Champion series followed in the early ' 70s .
It was still winning in ' 78 -- Haruhito Yanagida claiming the title with the 3 - litre version .
Success in the Fuji Grand Champion series followed in the early ' 70s , and it was still winning in ' 78 -- Haruhito Yanagida claiming the title with the 3 - litre version .