Yamaha Raptor 660 Specs

By: Leon Rhodes

The Yamaha Raptor 660 is a reliable all-terrain vehicle(ATV) manufactured by the Yamaha Motor Corporation between 2001 and 2005. It has a 36 horsepower 4-stroke engine, weighs 426 lbs (193 Kg) and reaches a top speed of 78 mph (125.5 km/h) in stock condition.

Yamaha Raptor 660

The Raptor 660, model number YFM660R, was especially popular with ATV racing enthusiasts and those wanting more trail performance. Yamaha retired the Raptor 660 after the 2005 model year and replaced it with the all new Raptor 700r.

VIN Year Chart

10th Digit of VIN Year Made
12001
22002
32003
42004
52005

To determine which year your Raptor 660 was manufactured inspect it's VIN tag. The 10th digit of every Yamaha ATV VIN represents the year it was made.

The Yamaha Raptor 660 VIN tag is located on the front left side of the frame below the shift lever, this VIN year chart should help you decode yours.

Dimensions

Yamaha Raptor 660 ATVs are 72 in. (183 cm) long, 43.3 in (110 cm) wide and 45.3 inches (115 cm) high with a 49 inch (124.5 cm) wheelbase and a seat height of 33.9 inches (86.1 cm).

Engine Size and Type

The Yamaha Raptor 660 has an air cooled 4-stroke SOHC single cylinder engine. The bore and stroke ratio is 100 x 84 mm (3.94 x 3.31 in.) with a compression ratio is 9.2 to 1. The Raptor 660 engine has 660 cc of displacement generating approximately 36 horsepower(HP).

Oil Capacity and Type

The Yamaha Raptor 660 has an oil capacity of 2.06 US Quarts(1.95 Liters). Yamalube All Purpose 10W-40 oil is recommended by Yamaha to prevent engine damage.

Battery Size

Yamaha Raptor 660 ATVs requires a battery roughly 5.2 x 3.5 x 6.5 inches (132 x 89 x 165 mm) in size.

Replacement batteries must be 12 volt, 11+ Amp hours(AH) and should be rated for 150+ cold cranking amps(CCA). YTX14AH-BS type batteries are recommended.

Top Speed

Yamaha Raptor 660 top speed is an impressive 78 mph (125.5 km/h) in stock condition. Yamaha built the Raptor 660 to compete in the sport ATV market where a wide range of aftermarket performance upgrades are available to reach even higher top speeds.

Tire Size

The stock front tires on a Yamaha Raptor 660 ATV are AT 21 X 7-10 while the rear tires are slightly beefier at AT 20 X 10-9.

The first number in each ATV tire size represents the tire height while the next two numbers represent the rim width(2nd) and rim height(3rd), respectively.

The AT on ATV tires stands for all-terrain.

Interesting Details

The 2001 Raptor 660 was the first Yamaha ATV to receive a big-bore cylinder. The resulting speed and power of the Raptor 660, together with its stylish new plastics, were popular new additions to the Yamaha lineup of sport ATVs.

Where's the VIN on a Raptor 660?

The vehicle identification number(VIN) on a Yamaha Raptor 660 ATV is stamped on the left side of the frame in front of the foot peg. Some restored and/or powder coated frames may have a VIN that is difficult to see.

What's it worth?

A used Yamaha Raptor 660 ATV in good running condition ranges in value between $2600 and $4800, according to KBB and a recent search of online classifieds. Raptor 660s in exceptional condition with performance parts may sell for a premium.

Trade-in values are typically lower than dealer listing prices.

Are Yamaha Raptor 660 ATVs any good?

Despite being out of production for over 17 years the Raptor 660 remains a sought after ATV. Performance, handling and reliability were all excellent and it is still a popular choice for riders. It's a great ATV.

What year did they stop making Raptor 660?

Production of the Raptor 660 ended in 2005 when it was replaced with a newly designed Raptor 700. Some Raptor 660s remained available from dealerships until 2008 but they were all 2005 models.

Do Yamaha Raptors have reverse?

YES, first generation 2001-2005 Raptor 660s have a single-speed reverse that was carried over into the second gen Raptor 700r models in 2006. Obviously, the Raptors are faster going forward than backwards!

How much horsepower does a Raptor 660 have?

36 HP


2-Stroke Exhaust Leak Repair Guide

2-stroke exhaust systems are subjected to extreme heat and vibration during regular use which, over-time, can cause exhaust system corrosion and leaks.

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