1989 Formula TT Season

{{more footnotes|date=June 2025}}

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The 1989 Formula TT Sseason was the 13th in the history of the Formula TT and was the last time the Fédération Internationale de Motocyclisme organized it as an Official World Championship.

Six races were held at six events.

Scoring System

In each race, points were awarded as follows:

class="wikitable" style="font-size:85%; text-align:center"

! Position

!  1st 

!  2nd 

!  3rd 

!  4th 

!  5th 

!  6th 

!  7th 

!  8th 

!  9th 

!  10th 

!  11th 

!  12th 

!  13th 

!  14th 

!  15th 

Points

|style="background:#FFFFBF"| 20

|style="background:#DFDFDF"| 17

|style="background:#FFDF9F"| 15

|style="background:#DFFFDF"| 13

|style="background:#DFFFDF"| 11

|style="background:#DFFFDF"| 10

|style="background:#DFFFDF"| 9

|style="background:#DFFFDF"| 8

|style="background:#DFFFDF"| 7

|style="background:#DFFFDF"| 6

|style="background:#DFFFDF"| 5

|style="background:#DFFFDF"| 4

|style="background:#DFFFDF"| 3

|style="background:#DFFFDF"| 2

|style="background:#DFFFDF"| 1

All results counted towards the Championship.

Class-System

Race results

class="wikitable"

!

!Date

!Race

!Circuit

!1st Place

!2nd Place

!3rd Place

1

| align="center" |14th of May

|{{JPN|Japan}}

|Sugo

| bgcolor="#F7F6A8" |Michael Dowson

| bgcolor="#DCE5E5" |Yasutomo Nagai

| bgcolor="#FFDAB9" |Yukiya Ōshima

2

| align="center" |3rd of June

|{{IMN|Isle of Man TT|71st Isle of Man TT}}

|Mountain Course

| bgcolor="#F7F6A8" |Steve Hislop

| bgcolor="#DCE5E5" |Brian Morrison

| bgcolor="#FFDAB9" |Nick Jefferies

3

| align="center" |23rd of June

|{{NLD|Dutch TT|59th Dutch TT}}

|Assen

| bgcolor="#F7F6A8" |Carl Fogarty

| bgcolor="#DCE5E5" |Andreas Hofmann

| bgcolor="#FFDAB9" |Roger Burnett

4

| align="center" |2nd of July

|{{PRT}}

|Vila Real

| bgcolor="#F7F6A8" |Steve Hislop

| bgcolor="#DCE5E5" |Carl Fogarty

| bgcolor="#FFDAB9" |Brian Morrison

5

| align="center" |16th of July

|{{FIN}}

|Kouvola

| bgcolor="#F7F6A8" |Carl Fogarty

| bgcolor="#DCE5E5" |Steve Hislop

| bgcolor="#FFDAB9" |Jari Suhonen

6

| align="center" |12th of August

|{{NIR|Ulster Grand Prix|60th Ulster Grand Prix}}

|Dundrod

| bgcolor="#F7F6A8" |Steve Hislop

| bgcolor="#DCE5E5" |Carl Fogarty

| bgcolor="#FFDAB9" |Steven Cull

Riders' standings

valign="top"

|

{| class="wikitable"

bgcolor="#F7F6A8"

| align="right" |1

| style="width:15em" |{{Flagicon|GBR}} Carl Fogarty

|Honda

|90

bgcolor="#DCE5E5"

| align="right" |2

|{{Flagicon|GBR}} Steve Hislop

|Honda

|82

bgcolor="#FFDAB9"

| align="right" |3

|{{Flagicon|NIR}} Joey Dunlop

|Honda

|54

align="right" |4

|{{Flagicon|GBR}} Brian Morrison

|Honda

|42

align="right" |5

|{{Flagicon|GBR}} Charlie Corner

|Honda

|30

align="right" |6

|{{Flagicon|FIN}} Jari Suhonen

|Yamaha

|28

align="right" |7

|{{Flagicon|GBR}} Nick Jefferies

|Yamaha

|25

align="right" |8

|{{Flagicon|GBR}} Steve Williams

|Yamaha

|25

align="right" |9

|{{Flagicon|GBR}} Jamie Whitham

|Suzuki

|21

10

|{{Flagicon|AUS}} Michael Dowson

|Yamaha

|20

11

|{{Flagicon|GBR}} Dave Leach

|Yamaha

|19

12

|{{Flagicon|JAP}} Yasutomo Nagai

|Yamaha

|17

|{{Flagicon|SUI}} Andreas Hofmann

|Kawasaki

|17

14

|{{Flagicon|JAP}} Yukiya Ōshima

|Suzuki

|15

|{{Flagicon|GBR}} Roger Burnett

|Honda

|15

|{{Flagicon|NIR}} Steven Cull

|Norton

|15

17

|{{Flagicon|NZL}} Robert Holden

|Honda

|14

18

|{{Flagicon|NIR}} Sam McClements

|Honda

|14

19

|{{Flagicon|AUS}} Rob Phillis

|Kawasaki

|13

20

|{{Flagicon|JAP}} Ken’ichirō Iwahashi

|Honda

|11

|{{Flagicon|AUS}} Graeme McGregor

|Honda

|11

22

|{{Flagicon|USA}} Doug Polen

|Suzuki

|10

|{{Flagicon|NED}} Jeffrey de Vries

|Yamaha

|10

24

|{{Flagicon|JAP}} Noboru Miura

|Honda

| align="right" |9

|{{Flagicon|SWE}} Mikael Lundvall

|Kawasaki

| align="right" |9

26

|{{Flagicon|NIR}} Phillip McCallen

|Honda

| align="right" |9

27

|{{Flagicon|JAP}} Mistuo Saito

|Yamaha

| align="right" |8

|{{Flagicon|GBR}} Andy McGladdery

|Honda

| align="right" |8

|

class="wikitable"

|

| style="width:15em" |{{Flagicon|GBR}} Ian Jones

|Ducati

|8

|{{Flagicon|FIN}} Esko Kuparinen

|Honda

|8

31

|{{Flagicon|JAP}} Jun Maeda

|Honda

|7

|{{Flagicon|SUI}} Toni Rohrer

|Honda

|7

|{{Flagicon|POR}} Pedro Batista

|Honda

|7

|{{Flagicon|SWE}} Christer Lindholm

|Suzuki

|7

35

|{{Flagicon|JAP}} Shoji Miyazaki

|Honda

|6

|{{Flagicon|GBR}} Colin Gable

|Honda

|6

|{{Flagicon|GBR}} Trevor Nation

|Yamaha

|6

|{{Flagicon|GBR}} Russell Benney

|Honda

|6

|{{Flagicon|FIN}} Erkki Siukola

|Suzuki

|6

|{{Flagicon|NZL}} Dennis Ireland

|Honda

|6

41

|{{Flagicon|JAP}} Shoichi Tsukamoto

|Kawasaki

|5

|{{Flagicon|IRL}} Eddie Laycock

|Honda

|5

43

|{{Flagicon|GBR}} Tony Moran

|Yamaha

|5

44

|{{Flagicon|JAP}} Tadaaki Hanamura

|Yamaha

|4

|{{Flagicon|GBR}} Steve Ward

|Honda

|4

|{{Flagicon|GBR}} Brent Gladwin

|Honda

|4

|{{Flagicon|NIR}} Woolsey Coulter

|Honda

|4

48

|{{Flagicon|FRG}} Peter Rubatto

|Bimota

|3

|{{Flagicon|SWE}} Göran Forsslund

|Suzuki

|3

50

|{{Flagicon|JAP}} Tadashi Ohshima

|Honda

|2

|{{Flagicon|GBR}} Bob Jackson

|Honda

|2

|{{Flagicon|SWE}} Peter Sköld

|Honda

|2

53

|{{Flagicon|JAP}} Tatsuro Arata

|Yamaha

|1

|{{Flagicon|SWE}} Peter Lindén

|Honda

|1

|{{Flagicon|GBR}} Steve Lindsell

|Yamaha

|1

|}