Remove the lower unit or gear case from the outboard engine according to the manufacturer's instructions
Inspect for Leaks: Run the engine briefly in a test tank or on muffs and check all seal areas for oil or water leaks
Verify your engine's model
Mallory 9-48208
Brand Part Number Yamaha 68F-24563-00-00 Aftermarket 18-79980 Compatible Engine Models
Exhaust Bellows Expander Tool – Fits Mercury MerCruiser Alpha I/II, Bravo 1/2/3, and Blackhawk Stern Drives (Replaces 91-45497A1, 8M0096108) family-yamaha-f175xsa Remove the lower unit orExhaust Bellows Expander Tool Fits Mercury MerCruiser Alpha I II, Bravo 1 2 3, and Blackhawk Stern Drives (Replaces 91 45497A1, 8M0096108) This tool is designed specifically for the installation of exhaust bellows on MerCruiser stern drive units including MC I, R MR, Alpha One Gen 1, Alpha One Gen 2, Bravo 1, Bravo 2, Bravo 3, and Blackhawk drives. Direct Replacements: Mercury MerCruiser 91 45497A1 8M0096108, Sierra 18 9847, GLM 90360, Mallory 9