If you’re in the market for a new ATV, one factor you’ll need to consider in your search is engine power, which has a correlation with engine size. The number of CCs (cubic centimeters) is the measurement of the ATV’s engine volume. The general rule is that larger vehicles need more CCs, and more CCs means more power. Every ATV engine should have its CCs printed or stamped on it somewhere.
But power isn’t the only consideration, or even the most important one, especially if you’re new to ATVs. You should consider a variety of factors, including the kind of ATV you’re most comfortable riding, and the tasks you’ll be performing with the ATV.
One of the most common questions people have when searching for an ATV is how much power they need their engine to have. While it can be tempting to maximize your engine power, this really will not be necessary for most users.
Here’s a quick look at some of the most common types of ATVs and their typical engine requirements.
Sport ATVs are generally not going to be used for utility work like towing, hauling and other odd jobs around your property.
You are the best judge for what your needs are as far as engine size and power, but the majority of buyers do not require a massively powerful engine. You’ll save money on both fuel and the vehicle itself by going with an engine that’s suitable for your needs.
Black Widow 8’ Extra-wide Arched Dual Runner ATV RampsWhen researching ATVs, don’t forget to look into ATV ramps as well! These ramps make it easy to load or unload your ATV on to a truck bed or trailer.
Black Widow Pro has a large selection of ATV ramps, all of which are designed to be lightweight yet extremely durable, offering high traction for extra safety during loading and unloading. Any ramp you purchase should have a load capacity that makes it capable of supporting the loaded wet weight of your ATV. Non-folding ATV ramps are usually shorter and designed for loading ATVs into trailers. If you need a longer ramp to get your four-wheeler into the bed of a truck, folding ramps in full-width or dual runner designs provide the length yet store compactly when they’re not needed.
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These stats are averages based on comparing several models from different manufactures in each size category, so expect some minor variations from individual manufacturers/models.
Keep scrolling to see photos of ATVs in each size category including ATV sizes for adults.
ATV Sizes Chart: Engines, Max Speeds, Models And More| Engine Size | Max Speed | Driver Ages | MSRP |
|---|---|---|---|
| 50cc | 17 MPH | 6+ | $2,200 - $2,500 |
| 70cc | 10 MPH | 6+ | $2,200 - $2,700 |
| 90cc | 32 MPH | 10 - 12 | $2,700 - $4,000 |
| Engine Size | Max Speed | Driver Ages | MSRP |
|---|---|---|---|
| 200cc | 38 MPH | 14+ | $4,400 - $4,800 |
| 250cc | 60 MPH | 14 - 16 | $4,400 - $5,200 |
| 270cc | 40 MPH | 14 - 16 | $4,100 - $4,400 |
| 300cc | 40 MPH | 16+ | $4,400 - $4,700 |
| 400cc | 67 MPH | 16+ | $5,700 - $7,100 |
| 450cc | 73 MPH | 16+ | $5,900 - $6,600 |
| Engine Size | Max Speed | Driver Ages | MSRP |
|---|---|---|---|
| 500cc | 63 MPH | 16+ / Adult | $5,600 - $7,600 |
| 650cc | 73 MPH | 16+ / Adult | $8,700 - $12,200 |
| 700cc | 71 MPH | 16+ / Adult | $7,100 - $10,000 |
| 800cc | 75 MPH | 16+ / Adult | $8,600 - $10,000 |
| 1000cc | 81 MPH | 16+ / Adult | $13,500 - $14,800 |
The prices, MSRPs, age recommendations, measurements and weights listed are based on industry averages comparing several different models in the some cc class.
The ATV speeds listed are the top speeds that these engines can potentially run. This is what I would consider the “aspirational” speed – like if your machine is in perfect working order, traveling down hill with a brisk wind at your back.
To get a more realistic view of the average ATV speeds you could expect in normal riding conditions subtract 2-7 MPH.
Generally speaking, the more cc – the bigger and heavier the bike.
However, across manufacturers and models there may be manufacturing differences and upgrades that may cause some vehicles to be heavier and/or lighter than a similar or even a smaller/larger ATV.
For example, a model that is labeled for “mud”, “hunting” or “touring” may have larger tires, heavy duty shocks, winches and upgraded components, all of which would make the ATV heavier.
The weights listed are an average of several different models in the same cc class.
ATV sizes from 50cc – 90cc are the smallest ATVs designed for use by children. Typically these ATVs will have built in safety features like engine limiters to control speed and power cut-off tether switches.
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There are mixed opinions regarding ATV use by children. Some experts say children should never ride an ATV, while others use a more tempered approach focusing on training and adult supervision. Check out Is Your Child Ready For An ATV? for a more in depth look at this topic.
To see an ATV sizes chart specifically for children’s ATVs: ATV Sizes By Age: What Size Is Best For Ages 6 -16
50cc ATVATVs from 200cc – 270cc are for more mature riders in the 14 – 16 age range.
Mid-size ATVs are significantly larger, heavier and faster than the small ATVs, which also makes them potentially more dangerous for smaller riders.
Engines from 300 cc and up are for riders 16 and older, with typical adult models starting at 400 cc.
None of the major ATV manufactures currently have any 350cc in their lineup. There used to be several 350cc on the market, but these models have fallen out of favor. Buyers are now choosing to go to the 300cc or the 400cc.
200cc ATVATV sizes in the 500cc – 1,000cc range are strong, fast, capable workhorses that get you where you want to go.
These big beasts can be used for both fun and work. They can climb hills, tear through mud, conquer rough terrain, tow and plow.
Large ATVs offer excellent acceleration, power and speed. Plus, they can also carry heavier loads making them ideal for hunting and camping. These are the best ATV sizes for adults.
500cc ATVRead Next
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>MOTOR EQUIPMENT> Deciphering the designations of ATV engines and increasing power
This article will focus on decoding the markings of Chinese engines.
Since there are a lot of engines made in China in our country, I think it is useful to know and understand the abbreviation of numbers and letters that mark these engines:
The first digit of the code corresponds to the number of cylinders. The letter P means a horizontal arrangement, with a V-shaped arrangement of two cylinders, the letter V is placed, with a vertical arrangement of the cylinder (or if there are two of them in parallel), the letter is not set.
The second and third digits of are the rounded (upwards) cylinder diameter in millimeters.
The first letter after the numbers indicates the type of cooling system: F - air, ram air flow; Q - forced air, when the letter before the letter is omitted M - it means liquid cooling. The very same letter M, always present in the designation, refers to the engines of the motorcycle type.
Third letter - code of working volume in cm / cu: A - <50 ; B - 50 ; C - 60 ; D - 70 ; E - 80 ; F - 90 ; G - 100 ; H - 110 ; I - 125 ; J - 150 ; K - 175 ; L - 200 ; M - 250 ; N - 300 ; R - 350 ; Q - 400 ; R - 500 ; S - 600 ; T - 650 ; U - 700 ; V - 750 ; W - 800 ; X - 900 ; Y - 1000 ; Z - 1200 .
Example:
139QMB: 1-cylinder scooter air vent with bore 39 mm and displacement 50 cc . If we make a simple calculation using the cylinder volume formula V=SpD2/4, we calculate the piston stroke S=41 mm.
Only the engine of the Honda GY6 /
1P39FMB family has this dimension (with some rounding): would seem to be the same, but this air-cooled motor is, of course, a 50cc Honda Super Cub clone.
152FMI is also an air-cooled single barrel, 125 cm/cu.
255MM - 2-cylinder 250cc liquid-cooled engine, apparently CM250, 2V49FMM - Air-cooled V-twin, clone of Yamaha's "Witch" XV250S Virago.
Since some unscrupulous sellers often decently overestimate the technical characteristics of the motorcycles they sell, in order to gain a sales advantage over their competitors, let's analyze
Is it possible to increase engine power?
Surely, many of the fans of ATVs sometimes thought about how to make their steel monster faster. Of course, it will not be possible to make a Formula 1 car out of an ATV, but in principle it is possible to slightly increase the speed. So for example, when boring a cylinder, you can increase engine power by about 5%.
. Not enough? you can do more, BUT, be prepared to incur significant costs in the modernization process. Since in order to increase engine power, it will be necessary to change not only the cylinder head, or the carburetor, which often simply will not fit this engine “physically”. It will also be necessary to change a number of expensive engine parts, including the shaft and gears. in a nutshell, it is easier to put another, more powerful engine, provided that it is not very different in size from the one being replaced, it will fit into the frame of your ATV and you can fix it there in some way. Since the more power, the larger the size of the engine itself. Example: boat motor. have you seen a 2hp outboard motor? And 5l/s? and 8? now put them side by side and compare the size. The more power, the larger the size of the product itself.
Of course, from a 250cc engine, you will never get 350cc, or even 300cc. However, it is possible to increase the power of your engine within reasonable limits.
To do this, we suggest using the following ways to increase the speed and “throttling” of the ATV:
1. Install a new air filter that will supply air better, which will increase the acceleration of your ATV. Such air filters are produced by various manufacturers specializing in spare parts for tuning ATVs. The filter can be bought at an auto or motorcycle shop, or ordered directly from the manufacturer.
2. Install a new exhaust system, ideally a "co-current" exhaust system that will increase the power and speed of your ATV. These systems are also produced by specialized firms.
3. Change the gear ratio by putting a smaller sprocket on your ATV (assuming your ATV has a chain drive). The larger the sprocket and the smaller the sprocket, the greater the speed indicator, in return you sacrifice power. A suitable size sprocket can be purchased at the nearest motorcycle dealer
4. To increase speed, there are CVT kits, jet carburetor kits or sports injection systems.
