The 1998 Italian motorcycle Grand Prix was the fourth race of the

1998 Grand Prix motorcycle racing season The 1998 Grand Prix motorcycle racing season was the 50th F.I.M. Road Racing World Championship season. Season summary Mick Doohan and Honda continued to dominate the 500 class with the Australian taking 8 victories and Honda winning all but on ...

. It took place on 17 May 1998 at the

Mugello Circuit Mugello Circuit (in Italian language, italian: ; in English language, english: ''Mugello International Autodrome'') is a motorsport race track in Scarperia e San Piero, Florence, Tuscany, Italy. The circuit length is . It has 15 turns and a lo ...

500 cc classification

250 cc classification

The race was held in two parts as rain caused its interruption; aggregate times from the two heats determined the final result.

125 cc classification

Championship standings after the race (500cc)

Below are the standings for the top five riders and constructors after round four has concluded. ;Riders' Championship standings ;Constructors' Championship standings * Note: Only the top five positions are included for both sets of standings.

References

{{Motorcycle Grands Prix 1990–1999 Italian motorcycle Grand Prix

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, a Romance ethnic group related to or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance languag ...

Motorcycle Grand Prix Grand Prix motorcycle racing is the highest class of motorcycle road racing events held on road circuits sanctioned by the Fédération Internationale de Motocyclisme (FIM). Independent motorcycle racing events have been held since the start ...

May 1998 sports events in Italy