The S-12/20A is compatible with models GTI 130 / GTI SE 130 / GTI SE 170 / GTX 170 / WAKE 170 / FISH PRO 170, production began in 2020.Or produced in 2009&2018- 2019 fits on a motorboat model GTX155 GTI/ SE130/ SE/STD/4-TEC SE/ 4-TEC STD/ 130 .And their diameter is 155.5MM
