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Small Engines

Miscellaneous small engines refer to low-power internal combustion engines (operating on gasoline/petrol), or electric engines. These include chain saws, lawn mowers string trimmers, snow and leaf blowers, wood chippers, and go-karts.

1,382 Questions

How do I fix a Gas leek out bottom stihl 018c chainsaw?

You will have to find where it is leaking. Sometimes from the carburetor if so you will have to remove and clean the carb. and may have to adj. or replace the fuel metering plunger. Other times the hoses between the carb. and the tank have holes which allow leakage. Back in the 90s Stihl had problems with the hoses and had to replace many, some are still in service. Another thing could be hole in gas tank which is unusual but could happen. If this is the problem you will have to remove all old fuel, clean tank thoroughly with carb. cleaner, blow out with compressed air and then repair hole with a good oil resistant epoxy such as J B weld.

What will cause the interior lights to stay on after you have turned off the vehicle and gotten out?

On your light switch there is a dimmer for the dash lights . if you turn it all the way to the left your interior lights should come on , turn it to the left and see if that works otherwise it might be a door switch .

What causes polaris 250 2 cycle to backfire when starting or running?

I, too, would like to know the answer! I have a 1993 Polaris Trail Boss ATV with the 250 cc engine... it tends to backfire when letting off the throttle.

Are there any free John Deere manuals?

Talk to your john deere dealer but they probably wont be free. If you're looking for older manuals for antique machinery try tractor shows or toy shows. Somebody has to have 'em someplace.(Again, not for free.)

How fast is 5000RPM?

Assuming you are asking for a conversion to miles-per-hour, it depends on a number of factors, such as the presumed gear or tire or similar object's diameter, its aspect ratio, the number and size of gear teeth or drive belt making contact, contact friction, etc. As such, there is no way to give a specific answer. However, if you have the specific information, go to the following webpage, scroll down to the bottom, and enter the relevant data, there: http://www.velodrome.com/HondaC70/GearsIIIbeta.html

What was the first snowmobile made out of?

the first snowmobiles were made out of a motor track and 50 gallon barrle.

How do you change the oil in a Briggs and stratton classic 3.5 hp engine?

Remove oil fill plug raise motor carefully and remove plug in bottom of motor where blade is and let the oil let the oil drain out into a pail. Put plug back in bottom after oil is drained out. Refill from the top. If you have a dip stick fill to full mark. If it is the old style fill to to the bottom of the fill hole.

What is the horsepower of a 2005 Polaris RMK 800 snowmobile?

It has 255hp***************not too sure the person ment to type this but a stock 2005 polaris 800 should have around 155 hp

How do Small engines work?

they work using the four stroke system

the first stroke is the induction as the induction valve is open and the exhaust is closed the descending piston draws the air/fuel mixture in to the cylinder bore.

step two compression

both valves are closed as the piston travels up the air fuel mixture is compressed at tdc the spark occurs and ignites the fuel

step three exhaust

the exhaust vale opens and as atmospheric pressure rises with the rising piston the exhaust gasses are forced out through the exhaust valve

step four is the repat of step one

In how many countries do car drive on the right side of the road?

Most countries throughout the world drive on the right side of the road. Some of these countries include America, Canada, China, Russia, and Israel.

How much oil in a 5hp motor?

1 quart usually. Check the DIP STICK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Is a go cart faster than a dirt bike?

According to my calculations a go cart is not faster than a dirt bike. Ive had my experiences.

How dependable are 208cc mtd engines on a yardmachine tiller?

Should be very dependable withoil changes at 25 hour intervals and plug and air filter changes dictated by inspection

What is the difference between two and four stroke engines?

In a 4-stroke engine, the steps (strokes) are:

  1. Intake stroke: During the intake stroke, the piston goes down from the top of the cylinder to the bottom, reducing the pressure inside the cylinder. It then draws a mixture of fuel and air into the cylinder through the intake port, ready for the compression stroke.
  2. Compression stroke: With both intake and exhaust valves closed, the piston goes back up to the top of the cylinder compressing the fuel-air mixture. This is what happens during the compression stroke.
  3. Power stroke: The compressed air-fuel mixture is then ignited by a spark. The pressure from the fuel-air mixture combustion drives the piston back down with humongous force, keeping the crankshaft turning. This is the power stroke phase, which is the main source of the engine's torque and power.
  4. Exhaust stroke: Finally, during the exhaust stroke, the piston again goes up and pushes the burned gas from the cylinder out the exhaust valve.
Something worth mentioning is that the spark plug only fires once every two revolutions in a 4-stroke engine.

Unlike the four stroke one, a two stroke engine has three strokes combined into one action, meaning the intake and exhaust are both integrated into the compression movement of the piston, therefore eliminating the need for valves. This is thanks to an inlet and exhaust port integrated into the wall of the combustion chamber.

As the piston goes down from combustion, spent gasses are allowed to exit the chamber through the exhaust port. The air-fuel mixture is drawn through an inlet located lower in the chamber. As the piston rises again, it blocks off the inlet and exhaust ports, compressing the gasses at the top of the chamber. The spark plug fires and the process starts over.

The spark plug fires on every revolution.

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A two stroke engine can produce twice the amount of power (and makes twice as much noise) than a four stroke engine of the same size. This is because it fires once every revolution, giving it twice the power of a four stroke, which only fires once every other revolution. Significantly, it also has a higher weight-to-power ratio because it is much lighter.

Two stroke engines are simpler and cheaper to manufacture compared to four stroke engines because of their simpler design. Four stroke engines are longer lasting than two stroke engines that don't have a dedicated lubricating system. However, the spark plugs in a two stroke engine last longer than those in a four stroke engine.

Four stroke engines are more fuel efficient and environmentally friendly when compared to two stroke engines that also create an unpleasant smell. Two stroke engines are responsible for much more pollution due to the combustion of the oil that has to be added to the fuel to lubricate the piston.