80603M – Bracket – Yamaha

The 80603M Yamaha bracket is a marine engine support bracket used on select Yamaha and Mariner outboards. This part appears in marine parts inventories as a bracket labelled with manufacturer part number 80603M and often listed for Yamaha / Mariner mounting and support applications.

This bracket provides a stable mounting point for components in your outboard engine assembly. It fits where structural support or alignment is needed for linkages, housings, or accessory hardware. Because of its reinforced cast shape, it helps hold parts firmly while resisting vibration and movement during operation. Many sellers describe this item as Yamaha/Mariner 80603M Bracket, and listings commonly note that it is new old stock or unused condition.

Boat mechanics and DIY enthusiasts often search for the 80603M Yamaha bracket when rebuilding older outboards or replacing worn supporting hardware. Choosing the correct bracket ensures that mating parts align correctly and that assemblies stay secure over time. Brackets like this are integral to the overall fit and finish of the engine set-up.

Before installing this bracket, verify your specific model and apply the correct mounting bolts. Check the bracket for alignment holes and confirm that they match your engine’s mounting points. This part may serve cross-brand applications on Yamaha and Mariner engines, but checking fitment is important before installation.

Shop at Arizona Outboard Dismantlers to keep your outboard running strong and ready for the water. A solid bracket can help maintain stable performance under load and reduce stress on engine components.