Sea-Doo model line
GTX S 155
The Sea-Doo GTX S 155 is recorded for six consecutive model years, 2012 to 2017. Every GTX S 155 year on record is a fuel-injected four-stroke, with the engine recorded as 1503.
At a glance
- Years made
- 2012 to 2017
- Engine, as the records hold it
- 1503
- Strokes
- Four-stroke
- Fuel system
- Fuel injection
- Hull type
- Sit-down
- Model years on record
- 6
- Checked
- None of the six GTX S 155 model years verified, which needs a check against the maker's own document, which the row names, and an engine figure; all six name a source below.
Sea-Doo numbers are the ones the sport names each engine by, and can differ from the measured size: a 787 measures 781.6, a 947 measures 951.
Not your year? For other GTX years: GTX, 1993 to 1997, 2000 to 2002; GTX Limited, 1998 to 1999; GTX RFI, 1998 to 2002; GTX DI, 2000 to 2003; GTX 4-TEC, 2002 to 2006; GTX 4-TEC LTD Supercharged, 2003 to 2004; GTX 4-TEC Supercharged, 2003 to 2006; GTX Wake, 2003 to 2007; and 17 more under Related below.
The Sea-Doo GTX S 155 from 2012 to 2017, one square for each model year, a decade to a row; follow a square to its row.
How we know: The 6 GTX S 155 rows in the year table, with each row's grade and the engine cells it prints in bold.
Year by year
| Model year | Engine, as the records hold it | Fuel system | Strokes | Hull type | What the record says | Source |
|---|---|---|---|---|---|---|
| 2012 | 1503 | Fuel injection | Four-stroke | Sit-down | BRP's own Sea-Doo parts catalogue for the US lists this machine for 2012 as "GTX S 155" under the GTX family. | Source 1 |
| 2013 | 1503 | Fuel injection | Four-stroke | Sit-down | No note | Source 2 |
| 2014 | 1503 | Fuel injection | Four-stroke | Sit-down | BRP's own Sea-Doo parts catalogue for the US lists this machine for 2014 as "GTX S 155" under the GTX family. | Source 1 |
| 2015 | 1503 | Fuel injection | Four-stroke | Sit-down | No note | Source 3 |
| 2016 | 1503 | Fuel injection | Four-stroke | Sit-down | BRP's own Sea-Doo parts catalogue for the US lists this machine for 2016 as "GTX S 155" under the GTX Family family, read from the Model Numbers assembly. | Source 4 |
| 2017 | 1503 | Fuel injection | Four-stroke | Sit-down | BRP's own Sea-Doo parts catalogue for the US lists this machine for 2017 as "GTXS, STD, 155" under the GTX Family family, read from the Model Numbers assembly. | Source 5 |
Sources
- BRP, Sea-Doo parts catalogue "Sea-Doo USD" on the Sea-Doo online store, Sea-Doo Watercraft, (2012, 2014), GTX, entry "GTX S 155", sea-doo-shop.brp.com (Shop by Vehicle, Sea-Doo USD, Browse Catalog; the tree is navigated in the page and has no per-model URL). Retrieved 2026-09-20. (model years 2012 and 2014)
- BRP, 2013 Sea-Doo GTX S 155 specification sheet, which names the engine a 1503 Rotax 4-TEC and prints 1,494 cc on its own displacement line, sea-doo.brp.com Retrieved 2026-09-10. (model year 2013)
- BRP, 2015 Sea-Doo US brochure for the roster, sea-doo.brp.com with the GTX S 155 figures from BRP's 2015 Operator's Guide, which gives 1 494 cm3, operatorsguides.brp.com Retrieved 2026-09-10. (model year 2015)
- BRP, Sea-Doo parts catalogue "Sea-Doo USD" on the Sea-Doo online store, Sea-Doo Watercraft, 2016, GTX Family, entry "GTX S 155", sea-doo-shop.brp.com (Shop by Vehicle, Sea-Doo USD, Browse Catalog; the tree is navigated in the page and has no per-model URL). Retrieved 2026-09-21. (model year 2016)
- BRP, Sea-Doo parts catalogue "Sea-Doo USD" on the Sea-Doo online store, Sea-Doo Watercraft, 2017, GTX Family, entry "GTXS, STD, 155", sea-doo-shop.brp.com (Shop by Vehicle, Sea-Doo USD, Browse Catalog; the tree is navigated in the page and has no per-model URL). Retrieved 2026-09-21. (model year 2017)
Related
On the Sea-Doo model timeline
The timeline dates the GTX S 155 by release year, which can sit a year from its model years here.
Other Sea-Doo models named GTX
Cite this page
“Sea-Doo GTX S 155”, BaddJet archive, https://baddjetarchive.com/reference/sea-doo/gtx-s-155/
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