What is your 76 mercury thunderbolt ignition 850 outboard serial number?

The serial number for a 1976 Mercury Thunderbolt Ignition 850 outboard motor can typically be found on the engine's mounting bracket or the transom bracket. Each motor has a unique serial number that identifies its manufacturing details and production year. If you need the specific serial number for your outboard, it's best to check the physical motor itself or refer to any documentation you have for it.