Sport & Outdoor – Others
We have a scooter sym maxsym 400i and the revs don’t go over 6000, We have clean the air filter we have change the spark, we have check and clean the drive face, and still the same.
How to Identify and Resolve Common Issues ?
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Ever wonder what 6000 rpm means to an engine? At that speed, a V-8 hosts 400 combustion events every second.
Very few stock engines from car makers have a redline higher than 6,000–6,500 so going beyond that will be a recipe for disaster.
“There`s a point at 7,000 RPMs where everything fades. The machine becomes weightless. It disappears. All that`s left, a body moving through space, and time.
No rpm is bad for an engine as long as it`s under the redline. It`s as simple as that. So if the redline is at or above 6000rpm, you can happily run it at 6000 rpm if you`d like.
The normal RPM range for cars on highways is generally between 1500 rpm and 2000 rpm. The idle rotation ranges between 600 rpm and 1000 rpm. A diesel engine usually stays idle at around 750 rpm, while it runs at a speed of 110 km/h on 6th gear at 2000 rpm. However, petrol engines rotate at 6000 rpm at high speeds.
If you drive at 5,000 RPM, that bearing is going to use up its lifetime twice as fast as if you were driving at 2,500 RPM. On the other hand, “lugging” an engine at too low an RPM can be harmful, as well.
Porsche 911 (991) GT3 – 9000rpm
Undoubtedly one of the sweetest spots of the Porsche 911 range, the GT3 is a car to stimulate the sense on every drive. Much of this is down to the 4.0-litre engine of the current model that will spin right up to 9000rpm.
If you drive at 5,000 RPM, that bearing is going to use up its lifetime twice as fast as if you were driving at 2,500 RPM. On the other hand, “lugging” an engine at too low an RPM can be harmful, as well. If your prime directive is mechanical lifetime, shoot for lower RPM within a reasonable range (i.e. not lugging).
If the “idle” speed is over 1,200 RPM, it`s not wise to drive the car both for safety reasons and due to the possibility of repeated harsh transmission engagements and driveline wear.
Normal idle speed for your vehicle, once the engine is warm, should be around 750 RPM (roughly). Two thousand RPM is significantly out of range high, even for a cold engine.
Gasoline automobile engines typically will have a redline at around 5500 to 7000 rpm.
4000 rpm is no problem, high rpm can wear down on the head where the camshaft rotates but that`s no really a problem until you get near 7000 rpm.
120 kmph comes at 3000 rpm > It cruises effortlessly but this is the point at which the noise starts to build.
The maximum RPM of an engine is limited to the airflow through the engine, the displacement of the engine, the mass and balance of the rotating parts, along with the bore and stroke of the pistons.
5000 rpm for 70 mph (112kph) is way to high for a normal passenger car or pick-up.
While there`s some variance depending on the kind of car you`re driving and its engine, most modern cars should comfortably idle somewhere between 600 and 1000 RPMs. If you notice your car idling outside this range, you might want to have it looked at by a mechanic.
After all, when redlined, an engine can sound like it`s about to blow. However, there`s no need to worry. Redlining will not damage an engine or cause it to explode, no matter how cruelly you treat it. Therefore, revving the engine to its maximum speed several times a week is not a problem.
1 Murray T50 (12,100 RPM)
The motor on the Murray T50 is a 3.9-liter unit that sounds like a `90s F-1 car as it screams towards a peak of 12,000 rpm.
The Bugatti Chiron is the world`s first super sports car to bring 1,500 HP onto the road with a torque of 1.600 Nm at 2,000 to 6,000 rpm with tremendous effectiveness, extremely high safety levels and unprecedented comfort.
Based on the first-generation RX-7 FB series (released in 1978), it is powered by that naturally aspirated 13B twin-rotor engine, which makes a huge 300hp at 8,500 rpm and 270Nm of torque at 7,500 rpm, revving all the way to a huge 10,000rpm.
Higher RPM means that the engine is cycling faster and working harder. Lower RPM means that the engine isn`t working quite as hard. Again, that`s in general, and there are some complications that can mean your engine is working harder at lower RPM, or under less stress at higher RPM.
Over-revving can cause damage to your valve train by causing a valve to stay open for too long – this leads to valve float. Valve float occurs when a valve is stuck in between open and closed. This will cause an immediate loss of power.
For most modern vehicle, you should not cruise above 2500 to 3000 rpm. Most of the turbo-charged engines develop a lot of more torque around 1800 to 2600 rpm range. Older engines, torque didn`t peak until 3500+ rpm.
However, it is not easy to state what the perfect RPM is. This, like many things in sport, is very personal. On average, a good cadence is between 90 and 100. Sometimes it can be a little lower and sometimes a little higher.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
Fiat tractor lift arms wont go down but will go up
ANSWER : Back lift arms on 100-90 fiat will go op but will go down very slowly
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I have a 2001 Yamaha XL700Z Waverunner. The compression on both cylinders is about 120, it starts and runs fine – dry. Won’t quite idle, but I can start it and rev it up fine (for a short period, of course). However, as soon as it gets in the water, it will barely run – it will start and sputter and you cannot get it to run more than a few seconds or rev up. Take it back out, let it dry, starts & revs fine. It is not getting any water in the casing that I can tell, its almost as if water is getting something wet through the cooling system that I cannot see?
ANSWER : Try cleaning the carbs and the fuel lines, filter
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Ez-go golf cart press accelerator pedal and nothing happens
ANSWER : The first thing I would do is lift the seat and check the battery connections. Those batteries are notorious for corrosion at the terminals. Make sure every connection is clean and solid, as in no loose, corroded or frayed battery cables. Next, if the batteries check out, toggle the run/tow switch, also under the seat to make sure it is fully engaged into the run position, and finally check the forward/reverse lever to make sure the connections are clean and tight.
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Honda 350 atv will not rev backfires through carb easy started idles perfect but not rev up
ANSWER : Have the spark plugs been replaced? Have the plug wires been tested?
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Manual for reebok rev-10101 cross trainer
ANSWER : Check here, they already found some hard-to-get Reebok manuals.Maybe just send them a search request.
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What do you do when you are bored on a nice day?
ANSWER : I go for a walk with the dog. Or sometimes I putter around in the garden.
Go to the park… get some fresh air and exercise.
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I have the ATK125A go kart and it will not go in reverse and is in 3rd gear and will not come out of 3rd. What can i do?
ANSWER : I have a atk125a go kart and it won’t start… Gets fire and gas.. It will crank over and over but won’t run. Had the cdi checked and it was good. No fire to the kill switch.. Please help i’m about to pull my hair out. Please e-mail me at [email protected] with answers….
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