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Two stroke
- Piston
- Connecting Rod
- Crankshaft
Four stroke
- Piston
- Connecting Rod
- Crankshaft
- Camshaft
- Cam follower (inlet and exhaust)
- Rocker (inlet and exhaust)
- Valve (inlet and exhaust)
- Cam drive (belt or gear)
Typically a two-stroke is air cooled, while a four-stroke is water cooled, so the water cooling adds these additional items:
- Water pump
- Fan
- Fan / pump drive (typically belt)
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What would happen if you just put gasoline in the 2 stroke engine?
By putting only gasoline in a two stroke engine you can destroy it. A two stroke engine requires oil to be mixed into the gasoline to keep the moving parts lubricated. When you do not have that oil there it will not lubricate correctly and therefore scar and break the moving parts on the inside.
Why does 4-stroke engine has higher RPM than 2-stroke engine?
the 2 stroke has more rpm than 4 stroke because it has less moving parts and the cycles are faster because there is only 2 and in the 4 stroke there is 4
What are the names of the strokes on a two stroke engine?
A two-stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to twice that number for a four-stroke engine). This is accomplished by using the beginning of the compression stroke and the end of the combustion stroke to perform simultaneously the intake and exhaust (or scavenging) functions. In this way, two-stroke engines often provide strikingly high specific power, at least in a narrow range of rotational speeds. The functions of some or all of the valves required by a four-stroke engine are usually served in a two-stroke engine by ports that are opened and closed by the motion of the pistons, greatly reducing the number of moving parts.
What happens when you put petrol in a 2 stroke lawnmower?
The engine will overheat & seize due to lack of oil. A 2 stroke needs a fuel oil mix to lubricate it's moving parts.
Why do you mix oil and petrol in a 2 stroke?
Two-stroke engines usually do not have an internal lubrication system; the moving parts are lubricated by a small flow of lubricating oil which enters the combustion chamber pre-mixed with the fuel. This oil is usually not completely burned during the power stroke, and therefore a portion of it clings to the cylinder walls, passes into the crankcase, and eventually reaches all moving parts of the engine.
Two stroke engines pollute the air more than four stroke engines?
Yes, two stroke (or Two cycle) engines have oil that is mixed into the fuel to lubricate the motor's moving parts. Where as, in a 4 stroke engine the oil is separate from the fuel. When the fuel oil mix is burned in a two cycle engine more pollution is given off.
Can you just put gas in your 2 stroke engine and what would happen to your engine if you dont mix the oil with the gas?
Have you noticed there is no place to put oil in your 2 cycle engine? Inside your engine there are several moving parts used to convert gasoline to rotary motion. Without oil these parts will create a great deal of friction and heat causing permanent failure in minutes at best. Beating the engine with a sledge hammer will do not more damage than running an engine without oil. The oil for these moving parts in a 2 cycle engine is provided by the mist of gasoline and oil that is routed around the moving parts before it is burned in the engine.
Why do you think Oil is pumped over moving engine parts while the engine is running?
To reduce friction by providing lubrication to the moving parts.
What are the disadvantages of a 4-stroke engine?
For a set amount of power, they're heavier, bigger and use more parts than a 2-stroke engine.
Why 2 stroke engine requires oil?
The oil lubricates the rotating parts.
Can you use 2 stroke fuel on a 4 stroke engine?
Two stroke fuel uses the same gasoline but has had oil added to lubricate the internal engine parts of a 2 stroke engine which does not have oil in a sump to lubricate the engine like a 4 stroke. If you put this mix into a 4 stroke engine it will make a great deal of smoke and foul the spark plug, causing the engine to stop running. No permanent damage but definitely not recommended.
How do you distinguish between a petrol engine and diesel engine?
A diesel engine is an internal combustion engine which uses the heat of compression to ignite the fuel/air mixture in the third stroke of the 4-stroke cycle, while the petrol engine is an internal combustion engine which uses an electrically-generated spark system to do the ignition. Diesel engines have a higher efficiency compared to petrol engines. In simple terms this means diesel engines can give 50% or more miles per gallon than petrol engines.
