As of round 17 Race · updated 10/13/2026, 07:18 PM (Japan time)

Riders

Katsuyoshi Kozono

No freely licensed photo found, so the race number and team colour are shown instead. About photos

Nationality: Japan

Birth date and place from the official rider profile

Career

Made a Grand Prix debut in 250cc at Suzuka in 1988.

In 250cc (1988–1992): 10 starts, 0 wins, 0 podiums.

In all, 10 Grand Prix starts, 0 wins and 0 podiums (within the official results database).

Written automatically from the official results database (no opinions about the rider)

Season by season

250cc ★ Champion

The strip shows each year's team (team colour). Tap for team and machine

Scope: official results DB, 1988–1992 (the rider's racing years)

Totals

250cc1988–1992

Win rate0.0%

Podium rate0.0%

Average finish (when classified)avg P17.1

20 pts · Poles 0

9 of these races have no result in the official data; their results come from the Italian Wikipedia.

Points are counted per class, never added across classes. Tap a number for the list of races | Scope: official results DB, 1988–1992 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 1988. Of the 55 riders who debuted that year, 0 also raced in 2026.

Max Biaggi 4 world titles
13 races together: ahead 5, behind 7, both out 1
Luca Cadalora 3 world titles
19 races together: ahead 1, behind 18, both out 0
Loris Capirossi 3 world titles
13 races together: ahead 2, behind 9, both out 2
Carlos Lavado 2 world titles
16 races together: ahead 4, behind 10, both out 2

Greats: 2+ world titles or 30+ MotoGP / 500cc wins. Up to 4 who shared 10+ races, most titles first. A finisher counts as ahead of a non-finisher.

Results by condition (races)

250cc 19 races · 1988–1992

By grid positionSmall sample

average grid average finish (classified)

Grid 7–9	7.5 → 11.0	0 wins / 2 races
Grid 10–15	13.7 → 11.0	0 wins / 3 races
Grid 16〜	22.2 → 19.1	0 wins / 13 races

By circuit (best average first)Small sample

Jarama1 racesavg P11.0

Hungaroring1 racesavg P12.0

Shah Alam2 racesavg P13.0

Kyalami1 racesavg P14.0

Hockenheim1 racesavg P16.0

Suzuka3 racesavg P16.5

Donington1 racesavg P17.0

Assen2 racesavg P18.5

Salzburgring1 racesavg P21.0

Jerez1 racesavg P22.0

Interlagos1 racesavg P22.0

Magny-Cours1 racesavg P25.0

Catalunya1 races—

Mugello1 races—

Eastern Creek1 races—

250cc: all in the Multiple suppliers era; no track-condition records.

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1988–1992 (the rider's racing years)

Distance ridden and distance travelled

Counted from 1949 (lap lengths before 1998 researched from published sources: estimates)19 races with an estimated lap length

Ridden on the bike

Every session

at least 1,100 miles
0.0× around the Earth · 389 laps

Travelled between circuits

at least 20,953 miles
0.8× around the Earth · at least 1.9 days

From 1949. Every session in the seasons with the lap analysis documents, races only before. Tests not included. Laps × that year's lap length.A minimum, calculated from straight-line distances between circuits. Connections, tests and trips home are not included, so the real figures are longer.

Every race

100%Start rate (13/13)

0Longest run of absences (races)

13Longest run of starts (races)

0Estimated points lost to absences

1Win3Podium8Points18No pointsRRetired–Absent

1992 250cc

Tap a cell for the event, qualifying, sprint and race results and points

? How the estimate is made

Estimate = average of the last 3 races before each absence

Seasons in which at least half of the races were started | Scope: official results DB, 1988–1992 (the rider's racing years)

1988	Suzuka	grid 23	22
1991	Suzuka	grid 7	11 +5
1991	Salzburgring		21
1991	Jarama	grid 14	11 +5
1991	Assen	grid 14	12 +4
1991	Shah Alam	grid 13	10 +6
1992	Suzuka	grid 8	DNF
1992	Eastern Creek	grid 18	DNF
1992	Shah Alam	grid 24	16
1992	Jerez	grid 20	22
1992	Mugello	grid 18	DNF
1992	Catalunya	grid 30	DNF
1992	Hockenheim	grid 30	16
1992	Assen	grid 22	25
1992	Hungaroring	grid 21	12
1992	Magny-Cours	grid 18	25
1992	Donington	grid 23	17
1992	Interlagos	grid 24	22
1992	Kyalami	grid 18	14