I use 80 weight gear oil.
Most outboard manufacturers recommend a good quality 10W-30 motor oil for use in colder climates.
any good quality two stoke oil including outboard motor oil
Premium gasoline
5w-30
The recommended spark plug for a 1992 model, 200hp Mercury 2 stroke carbureted outboard, is an NGK BU8H. This is a perma-gap type plug, so no gap setting is required.
2 stroke-NOT outboard, but the same type such as used in chainsaws
If the horsepower of your Mercury outboard lower unit is 75 and below, SAE 80W90 Gear Lube is recommended.
Impellep Pump
The fuel mixture for a Yamaha 40 hp 2 stroke outboard engine is 50:1, gas, oil mixture. You should use new gas when you get the engine ready for the season.
you need a minimum of 87 octane gas
well considering the engine type petrol diesel the best outboard motor to get would be a petrol engine as this is easy fuel to come across just don't get any water in the fuel tank as this will cause the engine to cease and that's bad so get a petrol engined outboard motor and petrol hope this helps
Engine, not motor. It'll typically be a two stroke engine with one or two cylinders.