Details

• SBT Engine Rebuild Kit for Sea-Doo 300 Motors.
• Kit includes: .
• 4-stroke Counter Balance Shaft Bearing Set.
• 4-Stroke Main Bearings.
• 4-Stroke Rod Bearings.
• Internal Gasket Kit.
• SBT 4-Stroke Timing Chain.
• Oil Spray Nozzles (3).
• Piston/Ring Sets (3) STD.

Replaces OEM part(s): 420892738, 420950772.

Application Guide

• Fish Pro APEX 300 (2025)
• GTR X 300 (2025)
• GTR-X 300 (2024; 2026)
• GTX 300 (2019-2026)
• GTX LTD 300 (2016-2023)
• GTX LTD 300 LTD (2024)
• RXP 300 (2019)
• RXP-X 300 (2016-2023)
• RXP-X ARS (2020)
• RXP-X XRS (2020)
• RXP-XRS 300 (2017-2019; 2021-2022)
• RXT 300 (2019)
• RXT 300 XRS (2018)
• RXT XRS 300 (2018-2021)
• RXT-X 300 (2016-2023)
• RXT-X 300 XRS (2020)
• RXT-X RS 300 (2022)

Fitment