This is sleeved cylinder at Std bore size.
Unlike the Nikasil plated cylinders this can be bored oversize.
This is from a recently rebuilt engine that had water in the cylinders.
All cylinders had rust that has been cleaned with a ball hone so
it can be inspected. It will need to be bored to at least 1st (.25mm) oversize.
With these sleeves it can safely be taken to 4th (1mm) oversize so this will allow future rebuilds as well.
All gasket sealing surfaces and threads are in excellent shape.
Part #'s that apply 11005-0755, 11005-3768 and 11005-3761
Comes exactly as shown.

Correct for the following models
2004 JET SKI STX-15F (JT1500-A1)
2005 JET SKI STX-15F (JT1500-A2)
2006 JET SKI STX-15F (JT1500A6F)
2007 JET SKI STX-15F (JT1500A7F)
2007 JET SKI ULTRA LX (JT1500C7F)
2008 JET SKI STX-15F (JT1500A8F)
2008 JET SKI ULTRA LX (JT1500C8F)
2009 JET SKI STX (JT1500D9F)
2009 JET SKI STX-15F (JT1500A9F)
2009 JET SKI ULTRA LX (JT1500G9F)
2010 JET SKI STX (JT1500DAF)
2010 JET SKI STX-15F (JT1500AAF)
2010 JET SKI ULTRA LX (JT1500GAF)
2011 JET SKI STX-15F (JT1500ABF)
2011 JET SKI ULTRA LX (JT1500GBF)
2012 JET SKI STX-15F (JT1500ACF)
2012 JET SKI ULTRA LX (JT1500KCF)
2013 JET SKI STX-15F (JT1500ADF)
2013 JET SKI ULTRA LX (JT1500KDF)
2014 JET SKI STX-15F (JT1500AEF)
2014 JET SKI ULTRA LX (JT1500KEF)
2015 JET SKI STX-15F (JT1500AFF)
2015 JET SKI ULTRA LX (JT1500KFF)
2016 JET SKI STX-15F (JT1500AGF)
2016 JET SKI ULTRA LX (JT1500KGF)
2017 JET SKI STX-15F (JT1500AHF)
2017 JET SKI SX-R (JS1500AHF)
2017 JET SKI ULTRA LX (JT1500KHF)
2018 JET SKI STX-15F (JT1500AJF)
2018 JET SKI SX-R (JS1500AJF)
2018 JET SKI ULTRA LX (JT1500KJF)
2019 JET SKI STX-15F (JT1500AKF)
2019 JET SKI SX-R (JS1500AKF)
2019 JET SKI ULTRA LX (JT1500KKF)
2020 STX 160 (JT1500RLF)
2020 STX 160LX (JT1500TLF)
2020 STX 160X (JT1500SLF)
2020 SX-R (JS1500ALF)
2021 STX 160 (JT1500RMFNN)
2021 STX 160LX (JT1500TMFNN)
2021 STX 160X (JT1500SMFNN)
2021 SX-R (JS1500AMFNN)
2021 Ultra LX (JT1500KMFNN)
2022 STX 160 (JT1500RNFNN)
2022 STX 160LX (JT1500TNFNN)
2022 STX 160X (JT1500SNFNN)
2022 SX-R (JS1500ANFNN)
2022 Ultra LX (JT1500KNFNN)
2023 STX 160 (JT1500RPFNN)
2023 STX 160LX (JT1500TPFNN)
2023 STX 160X (JT1500SPFNN)
2023 SX-R (JS1500APFNN)
2023 Ultra 160LX (JT1500YPFNN)
2023 Ultra 160LX-S (JT1500ZPFNN)
2024 JW1500ARSNN 
2024 STX 160 (JN1500CRFNN)
2024 STX 160LX (JN1500ARFNN)
2024 STX 160X (JN1500BRFNN)
2024 SX-R (JS1500ARFNN)
2024 Ultra 160LX-S (JW1500BRSNN)
2025 JN1500BSFNN
2025 JN1500DSFNN
2025 JN1500ESFNN
2025 JW1500ASFNN
2025 JW1500ASSNN
2025 JW1500BSFNN
2025 JW1500BSSNN
2025 JW1500CSFNN
2025 JW1500CSSNN
2026 JN1500DTFNN
2026 JN1500DTSNN
2026 JN1500ETFNN
2026 JN1500FTFNN
2026 JN1500HTFNN
2026 JW1500ATFNN
2026 JW1500BTFNN