Danfay
4 fastest lap(s)
| Series | Race | Event | Track | Bike | Entrant | Result |
|---|---|---|---|---|---|---|
| 1976 | ||||||
| Inter | 250cc |
Internationale Motorraces Tubbergen
|
Tubbergen | 250 Yamaha TZ | Danfay Racing Team | Katayama - 1st |
| Inter | 350cc |
ACU Post-TT International
|
Mallory Park | 350 Yamaha TZ | Danfay Racing Team | Katayama - 1st |
| Inter | 250cc |
BMCRC Hutchinson 100
|
Silverstone | 250 Yamaha TZ | Danfay Racing Team | Katayama - 1st |
| Inter | 250cc |
ACU British Grand Prix
|
Silverstone | 250 Yamaha TZ | Danfay Racing Team | Katayama - 1st |