The two stroke uses the crankcase to transfer intake fuel/air mixture through transfer ports to the top of the cylinder for the compression cycle.
The crankcase is separated from the gearbox and hence does not share lubricating oil either through splash or pumped oil lubrication techniques.
As such there is no oil passed via the oil rings on the piston for lubrication of the cylinder/piston ring interface or splashed/pumped to the top end bearings, bottom end bearings and main/crank bearings.
All lubrication for these friction surfaces/components must be provided by the addition of lubricating oil mixed into the fuel/air mixture.
there is no oil in the two stroke .....where as four stroke has oil sump which carries oil.........
There have been many oil additives and engine cleaners.There are few oil additives that actually help increase friction modifiers in conventional and synthetic oils.Lucas Oil Fuel Treatment is the best fuel injector cleaner.It includes both injector cleaners and fuel conditioners in one bottle.
What is a draft from a oil lease>? what should i do with it?
Low oil pressure can be caused by multiple faults. A blown gasket, a cracked head, a leak in the line, or even a low level can cause low oil pressure.
because oil is cheaper than gasoline & its heat came longer then gasoline.
HFO = Heavy Fuel Oil 380 CST = the grade of fuel oil representing viscosity, quality, etc.
Four-stroke engines have a spout where you add oil to the engine. On two-stroke engines, oil has to be added to the fuel. (Four-stroke and two-stroke are also called four-cycle and two-cycle, respectively).
Four-stroke lawn mowers have a tube where you add oil to the engine. On two-stroke engines, oil has to be added to the fuel. (Four-stroke and two-stroke are also called four-cycle and two-cycle, respectively).
You can use four stroke oil for a (very) limited period in a two stroke engine in an emergency. However it is not formulated for two stroke engines and is not recommended.
The best way to know if an engine is 2-stroke or 4-stroke, is to look for an oil spout. If the engine has an oil spout where oil has to be poured into, it is a 4-stroke. If the engine has no oil spout and the oil has to be added to the fuel, then it is a 2-stroke.
When comparing to a two-stroke engine, the four-stroke engine has the following advantages.Fewer emissions. Since the crankshaft has its own oil reservoir there is no need to add oil to the fuel, meaning there is no oil burned in the fuel.Better fuel consumption. The four-stroke engine complete a full cycle in four-stroke. This gives it greater control over which ports open at which times. On a two stroke engine, fuel and air is being forced into the cylinder while exhaust is being forced out, this causes some fuel and air to flow directly through the cylinder and out the exhaust. Four-stroke engines are also directly fuel injected which allows greater control over fuel delivery.Longevity. The four-stroke engine has a lower power to weight ratio than the four-stroke engine. In this respect, the engine components aren't pushed as hard as a two-stroke. This allows them to last longer.
No - it is formulated very differently. The crankcase of a four stroke engine needs conventional engine oil. DO NOT use two stroke oil in the crankcase.
if your scooter has a engine oil dip stick then it is a four stroke. if it has a oil tank that you have to put oil in then it is 2 stroke.
Usually no.
A gas only engine has a spout where oil is added to the engine. If there is no spout, then it is a gas/oil engine. FYI - gas only engine is a four-stroke (four-cycle) engine and the gas/oil engine is two-stroke (two-cycle).
Fuel is fuel. The fuel only changes when you add 2 stroke oil to it. You can burn it in a 4 stroke engine, might smoke some, but it is not recommended for your normal outing.
No it isn't fatal, but it would smoke quite a bit, because a two stroke engine needs two stroke oil mixed in the petrol, and a four stroke just needs petrol.
Briggs and Stratton made almost exclusively four stroke engines. There is no fuel oil mixture for a four stroke engine. Are you sure you have a two stroke engine by Briggs and Stratto? rhg