Original sentence: He then departed for Europe as Suzuki promoted him to its 500cc Grand Prix team where he made an immediate impact by winning the first Grand Prix he entered at the opening round in Suzuka, Japan
Edited sentence: He then departed for Europe as Suzuki promoted him to its 500cc Grand Prix team where he made an immediate impact by winning the first Grand Prix he entered as a full time Grand Prix rider (and onlyhis seventh Grand Prix ride in total, as he'd had wild card rides in 1986 & 1987) at the opening round in Suzuka, Japan