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What Is The Top Speed Of A Raptor 660? [Find Out Here]

What Is The Top Speed Of A Raptor 660? [Find Out Here]

The Yamaha Raptor 660 is a legendary four-wheeler that appeals to many ATV enthusiasts. With stellar features such as dual carburetors, a racy aerodynamic design, and a five-valve cylinder, the Raptor 660 is destined for greatness. Further, its outstanding speed and power make it a crowd favorite.

The top speed of a Raptor 660 is 74 mph, coupled with a horsepower of 36 hp and a fuel economy of 30-35mg. The four-stroke, single-cylinder SOHC engine never disappoints in guaranteeing a competition-level speed.

Furthermore, you can rebuild and make some modifications to stretch the speed of the Raptor 660 even further. If speed is your focus when shopping for an ATV, then the Raptor 660 is not likely to disappoint you.

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Yamaha Raptor 660 Top Speed

The 36-horsepower 4-stroke Yamaha raptor can hit a top speed of 80 mph when it is brand new. Yamaha designed the Raptor to compete in the sport ATV world with room for upgrades when necessary.

Upgrading The Speed Of The Raptor 660

If speed is what intrigues you in an ATV, then you can always upgrade your Yamaha Raptor 660 to faster. However, you must ensure that the upgrades you stage are safe. Further, if your ATV is still under warranty, any upgrades will void it.

Nonetheless, there are several modifications that you can make to your Yamaha Raptor 660 to increase its speed even further. Some of these upgrades may include;

Adjusting The Throttle Limiter Screw

Adjusting the throttle limiter is the most straightforward upgrade that you can undertake to increase the speed of your ATV. The process entails locating the visible screw near the side of your handlebars and unscrewing it to let more gas to stream to the engine. With the engine getting more gas due to the loosened throttle screw limiter, the speed of your ATV will increase.

Upgrade The Air Filter

Another common trick that can help increase your Yamaha Raptor 660 speed is ensuring that the air filters are in perfect condition. Cleaning the air filters eliminates the dirt that may reduce the speed of your machine. Alternatively, you can go for quality air filters that have been designed to increase airflow to the engine.

Change The Gear Ratio

The gear ratio defines the size of the rear and front sprockets. A smaller front sprocket reduces the acceleration while increasing the top speed of the ATV. A larger rear sprocket increases the acceleration and decreases the top speed. You can always examine the situation before deciding on the upgrades that meet your needs.

Optimize Your Tires

The quality of your tires and pressure directly impact the speed of your ATV, depending on the trail. For instance, if you drive on sand or snow, use lower tire pressure to get a desirable speed. On the other hand, when riding other terrains, higher tire pressure may guarantee a higher speed.

Besides the pressure, the other important aspect of the tire that you need to look at includes the treads, weight, and size. Performance tires should be light, large, and quality to guarantee a top speed.

Raptor 660 Top Speed Without Limiter

The top speed of a Raptor 660 is 80-90 mph. However, that might increase without a speed limiter. The electronic limiter is meant to ensure that the speed of the ATV does not go beyond 100 miles per hour for safety reasons.

Therefore, without the electronic speed limiter, the Raptor 660 top speed can go beyond 100 miles per hour.

The four-wheeled all-terrain Yamaha Raptor is equipped with a 660 cm cubic engine which is liquid-cooled. It has the stamina to handle multiple terrains and features a four-stroke engine.

What Speed Does A 660 Raptor Top Out At?

The top speed that a 660 Raptor outs at is above 100 mph. The four-stroke engine works extra hard at this speed to produce the required energy. Therefore, there is a significant amount of temperature emitted from the engine.

How Fast Is The Top Speed Of A Stock Yamaha Raptor 660?

The speed of a stock Yamaha Raptor has a top speed of 80 mph. However, factors such as temperature, altitude, the rider's weight, humidity, terrain, and modification can influence the top speed of the ATV.

The Yamaha Raptor 660 Specs

The Yamaha Raptor 660 is an established ATV on the modern market. With state-of-the-art features, it is a high-performing ATV in all situations.

The Engine

The Raptor 660 is equipped with a four-stroke, single-cylinder SOHC engine. It boasts an engine displacement of 660cm, dry-sump lubrication, and a compression ratio of 9:2:1. In addition, the engine has a horsepower of 36 hp and a fuel economy of 30-35mpg.

The Ignition

The Yamaha Raptor 660 employs a DC-CDI ignition coupled with an electric start system to guarantee the desired efficiency when starting the ATV. Further, it features an AC magneto generator system.


The ATV has steel rims mount tubeless Dunlop KT335 AT20 and Dunlop KT331 AT21. The tires are of elevated grade to handle the rough terrain perfectly. However, it is vital to avoid going beyond the recommended pressure limits. Once the condition of the tires depreciates, you always replace them with stellar quality ones for the best performance.


The Yamaha Raptor 660 is equipped with an independent double-wishbone suspension. With compression, rebound, and preload adjustment of wheel travel, the suspension is designed to stand the test of time.


The fuel capacity of the Yamaha Raptor 660 is 12 liters with a reserve of 2.6 liters. Also, the radiator capacity is 1.3 liters while 1.75 liters is reserved for transfer case oil.

Yamaha Raptor 660 Advantages

Before purchasing an ATV, you need to ensure that the product you invest in is worth your money. Fortunately, the Yamaha Raptor 660 is among the best ATVs in the industry as it has several different benefits. Some of these benefits include the following;

  • It has an incredible amount of power that enables it to guarantee excellent performance on different types of terrain
  • The ATV is incredibly reliable on any passable trail
  • It offers spectacular power sliding. Additionally, you can make wheelies easily in third
  • The sounds from the engine are a manifestation of a powerful ATV, and it has a solid grab

Yamaha Raptor 660 Disadvantages

  • It has a weak starter that can be pretty inconvenient in some situations.
  • Some riders have reported transmission issues, particularly in the second gear range
  • The Yamaha Raptor 660 is not ideal for all-day riding, and this can be limiting for some riders
  • It is not ideal for kids because they would not be able to handle its weight and power

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Frequently Asked Questions

What Is The Best Fuel For Yamaha Raptor 660?

The best fuel for Yamaha Raptor 660 is unleaded gasoline with an Octane number of 86+, and the research Octane number should be 91 or higher. Further, to prevent engine and exhaust damage, the fuel should have less than 10 % ethanol and 5% or less methanol.

How Much Does The Yamaha Raptor 660 Cost?

The cost of the Yamaha Raptor 660 depends on the model that you are targeting. However, the average retail price of the ATV is about $ 2500. When shopping for a used ATV, it is crucial to pay close attention to the condition of the ATV to be sure that you get the value for your money.

What Is The Cost Of The 2006 Yamaha Raptor 660?

Yamaha Raptor 660 was last manufactured in 2004. The cost of the 2006 Yamaha Raptor 700 model is $7,249. Although that might appear expensive, it is worth the value as it offers stellar performance.


The Yamaha Raptor 660 is a legendary machine with incredible power to handle rough terrain easily. Additionally, the ATV offers incredible speed and excellent handling, and its reliability is satisfactory. Regardless of the terrains, the Yamaha Raptor 660 is not likely to disappoint.