Exhaust Bellows Expander Tool – Fits Mercury MerCruiser Alpha I/II, Bravo 1/2/3, and Blackhawk Stern Drives (Replaces 91-45497A1, 8M0096108) 120HP the trim limit switch

the trim limit switch

and check for smooth operation and ensure no check engine lights appear

Common signs include a weak or non-existent water stream from the "telltale" outlet

Open the seacock and start the engine

When should I replace my roller shafts

Exhaust Bellows Expander Tool – Fits Mercury MerCruiser Alpha I/II, Bravo 1/2/3, and Blackhawk Stern Drives (Replaces 91-45497A1, 8M0096108) 120HP the trim limit switchProduct Details This Exhaust Bellows Expander Tool simplifies the installation of exhaust bellows on a wide range of MerCruiser stern drives. It is specifically designed for MC I, R MR, Alpha One (Gen 1 & Gen 2), Bravo (1, 2, & 3), and Blackhawk drive units, ensuring a proper fit and seal. It serves as a direct interchange for Mercury MerCruiser 91 45497A1 and 8M0096108, as well as aftermarket equivalents Sierra 18 9847, GLM 90360, and Mallory 9