The 2002 Yamaha YFM660, often known as the Grizzly 660, is a significant all-terrain vehicle (ATV) that arrived with a powerful 660cc liquid-cooled engine. As a sport-utility ATV, it offered a blend of performance and practicality. While there weren't distinct 'trims' in the car sense, variations often included different color schemes. Its introduction was notable for bringing a larger displacement engine and features like automatic transmission and fuel injection to the Yamaha lineup, making it a popular choice for both recreational riders and those needing capable off-road workhorse.
The Good
The 2002 Yamaha YFM660 boasts a robust engine delivering ample power for thrilling rides and demanding tasks. Its renowned Yamaha reliability instills confidence, while the comfortable seating and smooth ride cater to longer excursions. The practical design offers excellent utility, making it a valuable investment for both adventure seekers and hard workers.
The Bad
Owners sometimes report issues with the electric power steering (EPS) system on early models, particularly related to torque sensor failures. Another point to watch for is potential overheating if the cooling system isn't meticulously maintained. Some riders also noted the stock suspension could feel a bit soft for aggressive riding.
2002 Yamaha YFM660: Quick Overview
- Engine: 660cc, liquid-cooled, 4-stroke, SOHC, 5-valve, single-cylinder
- Horsepower: Approximately 45-50 hp (This is an estimate as official figures for ATVs are not always readily published and can vary slightly based on tuning and conditions).
- Fuel Economy: Not officially rated, but typically around 15-20 miles per gallon depending on riding style and terrain.
- 0-60 Times: Not a standard metric for ATVs, but acceleration is brisk for its class, allowing for quick bursts of speed on trails.
- Towing Capacity: Typically rated at 1,322 lbs (600 kg).
- Transmission: Yamaha's Ultramatic automatic transmission with continuously variable transmission (CVT).
- Drive System: On-Command 4WD with diff-lock, selectable 2WD/4WD.
- Suspension: Independent front suspension (double wishbone) with 6.7 inches of travel, and independent rear suspension (trailing arm) with 7.1 inches of travel.
- Brakes: Dual hydraulic disc front brakes, sealed mechanical drum rear brake.
- Tires: Front: AT25x8-12, Rear: AT25x10-12.
- Ground Clearance: 10.5 inches.
- Features: Composite racks (front and rear) with a combined capacity of 264 lbs, sealed storage compartments, integrated floorboards, powerful halogen headlights, and a comfortable ergonomic design. Early models often included electric start. Fuel injection was a notable feature for this model year, enhancing throttle response and fuel delivery.
2002 Yamaha YFM660 Specifications
Vehicle Information
| Year | 2002 |
| Make | Yamaha |
| Model | YFM660 |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Low Speed Vehicle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | KAKEGAWA |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 660CC |
| Engine Size | 660L |
| Engine Cylinders | 1 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 2002 Yamaha YFM660 Have?
The 2002 Yamaha YFM660 Grizzly is generally considered a reliable ATV, benefiting from Yamaha's strong reputation for build quality. However, like any machine, it has some commonly reported issues that owners should be aware of. One of the more frequent concerns, especially in earlier model years, relates to the electric power steering (EPS) system. Issues can include the torque sensor failing, leading to inconsistent or complete loss of steering assist. This can manifest as heavy steering or the system cutting out intermittently. Another area that requires diligent maintenance is the cooling system. Overheating can occur if the coolant levels are not checked regularly, the radiator is not kept clean, or the fan is not functioning correctly. This is particularly important during strenuous use or in hot weather.
Some owners have also reported issues with the starter motor or solenoid, leading to difficulties in starting the engine. While not unique to this model, it's a potential point of failure over time. The fuel pump can also be a concern, especially on older units, if it begins to weaken and fail to deliver adequate fuel pressure. For the 2002 model year specifically, there weren't any widespread, major recalls issued by Yamaha that significantly impacted its core functionality or safety in a way that would make it inherently less desirable than other years, but it's always wise to check for any outstanding service bulletins or recalls for the specific VIN.
Long-term reliability is largely dependent on how well the ATV has been maintained. Regular oil changes, filter replacements, and proper care of the cooling and electrical systems are crucial. Owners who have followed a strict maintenance schedule and addressed minor issues promptly generally report excellent longevity from their YFM660s. The engine itself is known for its robustness, but components like the CVT belt can wear out over time and require replacement.
Some owners have also reported issues with the starter motor or solenoid, leading to difficulties in starting the engine. While not unique to this model, it's a potential point of failure over time. The fuel pump can also be a concern, especially on older units, if it begins to weaken and fail to deliver adequate fuel pressure. For the 2002 model year specifically, there weren't any widespread, major recalls issued by Yamaha that significantly impacted its core functionality or safety in a way that would make it inherently less desirable than other years, but it's always wise to check for any outstanding service bulletins or recalls for the specific VIN.
Long-term reliability is largely dependent on how well the ATV has been maintained. Regular oil changes, filter replacements, and proper care of the cooling and electrical systems are crucial. Owners who have followed a strict maintenance schedule and addressed minor issues promptly generally report excellent longevity from their YFM660s. The engine itself is known for its robustness, but components like the CVT belt can wear out over time and require replacement.
How long will the 2002 Yamaha YFM660 last?
With proper maintenance, the 2002 Yamaha YFM660 can offer significant service life. Owners often report getting 5,000 to 10,000 miles or more out of these machines, translating to potentially 10-20 years of use depending on mileage and intensity of operation. The engine and drivetrain are generally very durable, with many owners experiencing only routine maintenance like oil changes, filter replacements, and occasional belt changes. However, the electrical components, particularly the starter motor and EPS system on some units, can become points of weakness over extended periods, potentially requiring replacement. Regular cleaning of the radiator and ensuring the cooling system is in top condition is vital for preventing long-term damage due to overheating.
What Technology & Safety Features are Included?
The 2002 Yamaha YFM660 Grizzly, being a utility ATV from the early 2000s, is not equipped with the sophisticated technology, entertainment, or driver-assistance features found in modern vehicles. Its focus is purely on off-road capability and utility. There is no built-in infotainment system, navigation, or advanced connectivity options. The primary 'tech' features are functional and designed for off-road performance.
Safety features are primarily mechanical. The braking system, consisting of dual hydraulic discs up front and a sealed drum brake in the rear, provides adequate stopping power for its intended use. The sturdy chassis and independent suspension contribute to stability and control over uneven terrain. Yamaha's On-Command 4WD system with differential lock is a key functional 'feature' that enhances safety and capability by allowing the rider to select the appropriate drive mode for various conditions, maximizing traction and reducing the risk of getting stuck or losing control. The ergonomic design, including comfortable seating and integrated floorboards, aims to reduce rider fatigue, which can indirectly contribute to safety by allowing the rider to maintain focus for longer periods.
Optional features at the time of purchase might have included things like a winch, though this was not a standard factory option. Due to the nature of ATVs, official crash-test ratings, as are given to passenger cars and trucks by organizations like the NHTSA or IIHS, are not applicable. Safety on an ATV relies heavily on rider skill, proper protective gear, adherence to safe riding practices, and the inherent stability and design of the machine. The YFM660 was designed with a low center of gravity and a robust frame to provide a stable platform for off-road adventures.
Safety features are primarily mechanical. The braking system, consisting of dual hydraulic discs up front and a sealed drum brake in the rear, provides adequate stopping power for its intended use. The sturdy chassis and independent suspension contribute to stability and control over uneven terrain. Yamaha's On-Command 4WD system with differential lock is a key functional 'feature' that enhances safety and capability by allowing the rider to select the appropriate drive mode for various conditions, maximizing traction and reducing the risk of getting stuck or losing control. The ergonomic design, including comfortable seating and integrated floorboards, aims to reduce rider fatigue, which can indirectly contribute to safety by allowing the rider to maintain focus for longer periods.
Optional features at the time of purchase might have included things like a winch, though this was not a standard factory option. Due to the nature of ATVs, official crash-test ratings, as are given to passenger cars and trucks by organizations like the NHTSA or IIHS, are not applicable. Safety on an ATV relies heavily on rider skill, proper protective gear, adherence to safe riding practices, and the inherent stability and design of the machine. The YFM660 was designed with a low center of gravity and a robust frame to provide a stable platform for off-road adventures.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2002 Yamaha YFM660 Prices and Market Value
When new, the 2002 Yamaha YFM660 Grizzly was typically priced in the range of $7,000 to $8,000, depending on dealer and any initial accessory packages. These ATVs have held their value reasonably well due to Yamaha's reputation for reliability and the model's enduring popularity as a capable utility machine. On the used market, prices for a 2002 YFM660 can range widely from $2,500 to $5,500 or more, heavily influenced by condition, mileage, maintenance history, and the presence of any desirable aftermarket modifications. Factors like the presence of electronic power steering (if it's still functioning correctly), overall cosmetic condition, tire wear, and evidence of proper maintenance significantly impact resale value. Heavily used or poorly maintained examples will fetch considerably less, while well-preserved units with low hours can command a premium.
2002 Yamaha YFM660 Cost of Ownership
Owning a 2002 Yamaha YFM660 is generally considered moderately economical. Insurance costs will vary based on location, coverage, and rider age, but are typically less than for a car. Fuel consumption is reasonable for its class, around 15-20 MPG. Routine maintenance (oil changes, filter replacements, fluid checks) is straightforward and affordable. Major repairs, such as engine work or EPS issues, can be costly, but are less frequent with good care. Overall, the YFM660 is an affordable machine to own and operate, especially when compared to larger recreational vehicles, provided it's well-maintained.
2002 Yamaha YFM660 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2002 Yamaha YFM660 Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2002 Yamaha YFM660 Insurance
Insurance for a 2002 Yamaha YFM660 is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2002 Yamaha YFM660 Compare to Other Motorcycle?
The 2002 Yamaha YFM660 Grizzly entered a competitive market segment of utility ATVs. Its primary rivals included models like the Honda Foreman, Kawasaki Prairie, and Suzuki Vinson. In terms of performance, the YFM660 stood out with its 660cc engine, often providing a bit more power and torque than some of its direct competitors like the 500cc class machines. The inclusion of fuel injection on this model year was a significant advantage, offering better throttle response and cold-weather starting compared to carbureted rivals.
Reliability is where Yamaha historically excels, and the YFM660 generally followed suit, being known for its robust engine and drivetrain. While all brands in this class have their occasional quirks, Yamaha's reputation for build quality often gave it an edge in owner confidence. Feature-wise, the YFM660's automatic transmission and selectable 4WD system were standard for the class, but Yamaha's Ultramatic system was particularly well-regarded for its smooth engagement and engine-braking capabilities. Some competitors might have offered slightly more advanced independent rear suspension designs in certain trims, but the Grizzly's overall package was very well-rounded.
Price-wise, the YFM660 was competitively positioned, often falling in the mid-to-high end of the utility ATV pricing spectrum when new, reflecting its larger engine and feature set. On the used market, it remains a desirable option.
Similar Alternatives:
* Suzuki Vinson 500: A strong contender offering similar utility and a reliable engine, often at a slightly lower price point. It's a solid choice for value.
* Kawasaki Prairie 650: A powerful rival with a V-twin engine that offered impressive torque. It's a more performance-oriented option in the utility class.
* Honda Foreman: Known for its legendary reliability and robust build. While often slightly less powerful in this specific comparison, its durability is unmatched for many.
While the 2002 YFM660 remains a very capable machine, if looking for more modern features like advanced electronic aids or even better suspension performance, one might consider later models of the Grizzly or other newer utility ATVs. However, for a balance of power, reliability, and utility at a reasonable used price, the 2002 YFM660 is hard to beat.
Reliability is where Yamaha historically excels, and the YFM660 generally followed suit, being known for its robust engine and drivetrain. While all brands in this class have their occasional quirks, Yamaha's reputation for build quality often gave it an edge in owner confidence. Feature-wise, the YFM660's automatic transmission and selectable 4WD system were standard for the class, but Yamaha's Ultramatic system was particularly well-regarded for its smooth engagement and engine-braking capabilities. Some competitors might have offered slightly more advanced independent rear suspension designs in certain trims, but the Grizzly's overall package was very well-rounded.
Price-wise, the YFM660 was competitively positioned, often falling in the mid-to-high end of the utility ATV pricing spectrum when new, reflecting its larger engine and feature set. On the used market, it remains a desirable option.
Similar Alternatives:
* Suzuki Vinson 500: A strong contender offering similar utility and a reliable engine, often at a slightly lower price point. It's a solid choice for value.
* Kawasaki Prairie 650: A powerful rival with a V-twin engine that offered impressive torque. It's a more performance-oriented option in the utility class.
* Honda Foreman: Known for its legendary reliability and robust build. While often slightly less powerful in this specific comparison, its durability is unmatched for many.
While the 2002 YFM660 remains a very capable machine, if looking for more modern features like advanced electronic aids or even better suspension performance, one might consider later models of the Grizzly or other newer utility ATVs. However, for a balance of power, reliability, and utility at a reasonable used price, the 2002 YFM660 is hard to beat.
Final Verdict: Is the 2002 Yamaha YFM660 a Good Motorcycle?
The 2002 Yamaha YFM660 Grizzly is ideal for riders seeking a dependable and powerful all-terrain vehicle for a mix of recreational trail riding and utility tasks, such as farm work or hunting. It offers a great balance of performance, comfort, and Yamaha's renowned reliability. Given its age, buying new is impossible, so the focus is on the used market. It's definitely worth buying if you find a well-maintained example. Look for models with documented maintenance history. While there weren't distinct trims, prioritize those with functioning electric power steering, as repairs can be costly. For its price point on the used market, the 2002 YFM660 remains an excellent value for anyone needing a capable and durable ATV.
Drew B
Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma