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The first four-stroke outboard motor was developed by the Japanese company Yamaha in the early 1990s. Yamaha's design aimed to create a more efficient and environmentally friendly alternative to the two-stroke engines that dominated the market at the time. This innovation helped pave the way for the modern outboard motors used today, which focus on reducing emissions and improving fuel efficiency.
What else can I help you with?
What is a 4 stroke outboard?
Combustion piston engines can have two different work cycles, 2-stroke and 4-stroke. 2-stroke tends to have a better power to weight ratio, but pollute more. A 4-stroke outboard is simply an outboard engine that works the same way as a car engine.
What oil do you use in 1988 Yamaha 4 stroke outboard?
The 4 stroke Yamaha outboard requires a quality SAE 10W-40 motor oil.
What is the weight of 2002 75hp 4 stroke Mercury outboard motor?
The dry weight of a 2002 model, 75hp Mercury outboard 4 stroke, is 386 lbs.
When did mercury start making 4 stroke outboards?
Mercury Marine began producing four-stroke outboard engines in the late 1990s. The company introduced its first four-stroke outboard, the Mercury 4-Stroke 15 HP, in 1999. Since then, Mercury has expanded its four-stroke lineup, focusing on performance, fuel efficiency, and environmental compliance.
What is the gas to oil ratio in a Mercury 4 stroke outboard motor?
Its 4 stroke so 100:0
Does Yamaha make a 175 hp 4 stroke outboard?
no
Do you need to an oil to the gasoline on a 4 stroke outboard motor?
no
Is a mercury 850 outboard motor a 4 stroke or 2 stroke?
The 850 model, 85 hp Mercury outboard, is a 2 stroke engine requiring a 50:1 fuel to oil ratio.
Is an 89 mercury outboard motor 2 or 4 stroke?
2stroke.
What model is Yamaha serial f115tlrb?
It is a 2003 4-stroke outboard
How do you tell if an outboard motor is 2 stroke with direct injection or a 4 stroke?
With a 2 stroke engine, you mix the oil with the gas. With a 4 stroke engine, there are separate tanks for the oil, and the gas.
What is the weight of 4 hp Yamaha 2 stroke outboard motor?
21kg
