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

Riders

Juup Bosman

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

Nationality
Netherlands Netherlands

Birth date and place from the official rider profile

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Career

Made a Grand Prix debut in 50cc at Anderstorp in 1977.

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In 50cc (1977): 1 starts, 0 wins, 0 podiums.

In all, 1 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

50cc125cc ★ Champion

1510152025197519761977197819791975 50cc: P22 / 4 pts / 0 wins1977 50cc: P27 / 1 pts / 0 wins50cc

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

Scope: official results DB, 1975–1979 (the rider's racing years)

Totals

50cc1975–1977
Win rate0.0%
Podium rate0.0%
Average finish (when classified)avg P8.5

5 pts · Poles 0

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

125cc1979–1979
Win rate0.0%
Podium rate0.0%
Average finish (when classified)—

0 pts · Poles 0

1 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, 1975–1979 (the rider's racing years)

Against the greats, and the class of their debut

Grand Prix debut in 1975. Of the 60 riders who debuted that year, 0 also raced in 2026.

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)

All classes 3 races · 50cc / 125cc

By circuit (best average first)Small sample

Assen50cc 1 · 125cc 1avg P7.0
Anderstorp50cc 1avg P10.0

Average finish across classes (Moto3, Moto2, MotoGP and so on together). See each class below for class-only figures. Only circuits with 3+ races count as a best track.

125cc 1 races · 1979

125cc: all in the Multiple suppliers era; no track-condition records; no grid records; one circuit only.

50cc 2 races · 1975–1977

By tyre eraSmall sample

Win rate
Podium rate
Average finish (when classified)

By circuit (best average first)Small sample

Assen1 racesavg P7.0
Anderstorp1 racesavg P10.0

50cc: no track-condition records; no grid records.

Fewer than 30 races: small sample (dashed). Average finish counts classified finishes only | Scope: official results DB, 1975–1979 (the rider's racing years)

Every race

No season as a regular (starting at least half of the races)

? 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, 1975–1979 (the rider's racing years)

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