Once every few months it is good to change the old membranes in the carburetor. Especially if you are riding in salt water. These membranes are for both Carburetor Assembly GP - Tryton (A000587) and Carburetor Assembly Ultra Sport - Tryton (A000598).

Compatibility chart

POP0073	2016	2017	2018	2019	2020	2021
UltraSport	✔	✔	✔	-	-	-
Sport	-	-	-	✔	✔	✔
Factory GP	✔	✔	✔	-	-	-
Adventure DFI	-	-	-	N	N	N
Adventure DFI PLUS	-	-	-	-	N	N
Race	✔	✔	✔	✔	-	-
Race DFI	-	-	-	N	N	N
Race Titanium	✔	✔	✔	N	N	N
Electric	-	-	-	-	N	N

✔ = This product is used in this model.
! = This product can be used in this model, please read the note below the table.
- = This model was not manufactured and available.
N = This product is not used in this model.

Do you have any questions?