Raptors are associated with speed, stealth, and an all-out, high-performance predator just by their name. In 2001, Yamaha began marketing the Yamaha Raptor 660 as the first big-bore sport ATV which was then replaced by Yamaha Raptor 700. While it had a short lifespan, its impact on riders was so significant that other manufacturers were inspired by it.
If you want to know more about Yamaha Raptor 660 top speed, specification, and price guide, then read the full article for a better understanding.
What is the Yamaha Raptor 660?
Yamaha Raptor 660 is a rugged and reliable quad with SOHC 660 cc four-stroke engine and a liquid cooling system that prevents the engine from overheating. It also has a 33 mm Mikuni BSR33 carburetor that supplies the perfect amount of air and fuel mixture to the engine for better performance.
Furthermore, it has independent double-wishbone and preload adjustment suspension on the front side with 9.06 inches of travel and an aluminum swing arm (link suspension) with compression, rebound, and preload adjustment rear suspension with 8.66 inches of wheel travel. Lastly, you will also get a Dual hydraulic disc brake for the front wheel and a single hydraulic disc for the rear wheel, along with a 21 x 7 – 10 size tire for the front side and a 20 x 10 – 9 size tire for the rear side.
Top Speed of Yamaha Raptor 660
Yamaha Raptor 660 top speed is 70 – 74 mph, with maximum power of 36 HP and maximum torque of 55 LB-FT. Its quick acceleration can be attributed to its carburetor, which supplies the engine with exactly the right amount of fuel and air mixture at the right time.
Despite its 74 mph, most users claim to take their Raptor 660 to 80 – 85 mph. If you’re not happy with its top speed, you can increase its performance by adding various modifications. Some of the factors and modifications to increase its performance include altering gear ratios, removing the speed limiter, and reducing the speed limit.
Lastly, it is a powerful quad, which is why it can’t be suitable for the beginner. However, Yamaha Raptor 250 Top Speed is 45 – 50 mph which can be a good start for the beginner.
Specs
Here are the specs of this robust four-wheeler given below.
| Engine Type | Single-Cylinder, 4-stroke |
| Displacement | 660cc |
| Power | 36 horsepower |
| Bore x Stroke | 100 × 84 mm (3.94 × 3.31 inches) |
| Compression Ratio | 9.2:1 |
| Fuel System | Dual 33-mm Mikuni BSR33 carburetor |
| Transmission | 5-speed, manual |
| Final Drive | Chain |
| Front Suspension | independent double-wishbone and preload adjustment with 9.06 inches of travel |
| Rear Suspension | aluminum swing arm (link suspension) with the rebound, compression, and preload adjustment, 8.66 inches wheel travel |
| Front Tires | 21 x 7 – 10 |
| Rear Tires | 20 x 10 – 9 |
| Front brakes | Dual hydraulic disc |
| Rear brakes | Hydraulic disc |
| Overall Length | 72 in. (1828.8 mm) |
| Overall Width | 43.3 in. (1099.8 mm) |
| Overall Height | 45.3 in. (1150.6 mm) |
| Wheelbase | 49 in. (1244.6 mm) |
| Ground Clearance | 4.5 in. (114.3 mm) |
| Seat Height | 33.9 in. (861.1 mm) |
| Wet Weight | 410 lb. (185.97 kg) |
| Fuel Tank Capacity | 3.17 gal. (12 l) |
Engine
Yamaha Raptor 660 has a SOHC 660 cc four-stroke engine along with a single cylinder. It has a 100 × 84 mm (3.94 × 3.31 inches) Bore x Stroke ratio and a 9.2:1 compression ratio. It also has a liquid cooling system to prevent its engine from overheating.
Furthermore, you will get a dual 33 mm Mikuni BSR33 carburetor combined with a wet-type air filter to handle the air-fuel mixture. Lastly, it has a five-speed manual transmission. As a result, the primary reduction ratio is 71/34 (2.088), and the secondary reduction ratio is 40/13 (3.176).
Suspension
It has independent double-wishbone and preload adjustment suspension on the front side with 9.06 inches of travel and an aluminum swing arm (link suspension) with compression, rebound, and preload adjustment rear suspension with 8.66 inches wheel travel.
Both of these suspensions are adequate at work and provide excellent riding explained to the ride by absorbing all the bumps and jolts. This allows you to travel off-road effortlessly and have fun. As an added benefit, the low center of gravity keeps the ATV stable when taking sharp turns, giving it the best stability and reducing tipping risks.
Brakes & Tires
Similar to its suspensions, its braking system is also adequate and provides good braking. You will get a Dual hydraulic disc brake for the front wheel and a single hydraulic disc for the rear wheel. In addition to the master cylinder and stainless brake lines, the brake system is composed of brake calipers for efficient braking.
Coming to the tire, it has the exact same size tires as the Yamaha Raptor 350, including a 21 x 7 – 10 size tire for the front side and a 20 x 10 – 9 size tire for the rear side.
The recommended tire pressure for the front and rear wheels is 27.5 kPa (0.275 kgf/cm2, 4 psi). Do not exceed the limits of 3.5psi/24kPa (0.24kgf/cm2) and 36psi/250kPa (2.5kgf/cm2).
Yamaha Raptor 660 Price
Yamaha stopped production of the Raptor 660 in 2005. Still, it is the favorite of many ATV enthuses. Although it is not available in brand new condition, you can find a good one in used condition. The pre-owned Raptor 660 price ranges from $1,500 – $5,100 depending on the condition, modifications, and functionality.
Conclusion
Yamaha Raptor 660 is a powerful quad, which is also one of the main reasons behind its popularity. A lot of riders are amazed by the acceleration and speed of this machine, which is powered by a liquid-cooled, four-stroke engine. Due to its agile handling and bump adsorbing suspension, you can easily handle it on off-road along with a comfortable riding experience.
Furthermore, it also has an adequate braking system that ensures the safety of the riders. You can even adjust its seat according to your physic. In short, it is a reliable quad available at an affordable price so that anyone can buy it can enjoy its ride.
Rand Frankey is OffRoadsCare freelance Content Editor. He loves offroad Travelling and bikes, jeeps, and dirk bikes. He will explain all his experience with dirt bikes and offroad vehicles which helps you to make a decision like which vehicle is right for you.
