2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 154Get this manual
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Bottom cowling 1 21 22 10 11 27 28 29 48 25 26 30 31 25 12
S6D87020
No18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
Part name Bottom cowling Grommet Collar