Sea-Doo › Sea-Doo 900 Top End Rebuild Kit (.25mm Over, 74.25mm) Image 1 of 1 Sea-Doo 900 Top End Rebuild Kit (.25mm Over, 74.25mm) $565.43 Complete top end rebuild kit for Sea-Doo/Can-Am 900 engines. Designed to restore compression, performance, and reliability. Add To Cart Added! Complete top end rebuild kit for Sea-Doo/Can-Am 900 engines. Designed to restore compression, performance, and reliability. You Might Also Like Sea-Doo 1503 4-Tec Top End Rebuild Kit (.5mm Over) $546.83 Sea-Doo 900 Top End Rebuild Kit (.75mm Over, 74.75mm) $565.43 Sea-Doo 580 Top End Rebuild Kit (1mm Over, 77mm) $238.56 Sea-Doo 1503/1630 4-Tec Top End Rebuild Kit (99.96mm Standard) $546.83 Sea-Doo 900 Top End Rebuild Kit (1mm Over, 75mm) $565.43