2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 124Get this manual
Lower unit
No18 19 20 21 22 23 24
Part name Dowel Extension Stud bolt Washer Spring washer Nut Bolt
Remarks X-transom model X-transom model M10 180 mmX-transom model X-transom model X-transom model X-transom model M8 190 mmX-transom model