The 2005 Yamaha YFM660, commonly known as the Grizzly 660, is a highly capable four-wheel-drive ATV. Introduced in 2002 and produced through 2008, it established itself as a benchmark in the utility ATV segment. Available in a single, well-equipped body style, its popularity stemmed from its robust engine, advanced features for its time, and Yamaha's reputation for durability. Original pricing was in the mid-$7,000 range, but its solid engineering makes it a sought-after used model.
The Good
The 2005 Yamaha YFM660 offers a potent blend of power and stability, boasting a legendary liquid-cooled engine that delivers thrilling performance. Its rugged build and proven reliability provide peace of mind, while the comfortable seating and independent suspension ensure an enjoyable ride, making it a wise and rewarding investment for any adventure.
The Bad
Potential owners of the 2005 Yamaha YFM660 should be aware of some common concerns. These include the possibility of carburetor issues, particularly with clogged jets, and occasional overheating if the cooling system isn't meticulously maintained. The differential locking mechanism can also experience wear over time.
2005 Yamaha YFM660: Quick Overview
- Engine Options: The 2005 Yamaha YFM660 Grizzly featured a single engine option: a 660cc liquid-cooled, SOHC, four-stroke, parallel-twin engine.
- Horsepower: While Yamaha doesn't officially release horsepower figures for ATVs, industry estimates place the YFM660's horsepower in the range of approximately 45-50 hp.
- Fuel Economy: Fuel economy for the YFM660 is not officially rated and varies significantly based on riding style, terrain, and load. Owners typically report figures around 10-15 miles per gallon.
- 0-60 Times: Official 0-60 mph times for ATVs are rarely tested or published. However, due to its powerful engine and substantial weight, the YFM660 is designed for torque and trail capability rather than outright acceleration. It would be significantly slower than most sport ATVs.
- Towing Capacity: The 2005 Yamaha YFM660 is equipped with a standard 2-inch receiver hitch. It has a substantial towing capacity of up to 1,500 pounds (680 kg), making it suitable for hauling trailers, equipment, or game.
- Payload Capacity: Front and rear racks offer a combined payload capacity of 264 pounds (120 kg), useful for carrying gear.
- Transmission: A Yamaha Ultramatic automatic transmission with high/low range and reverse was standard.
- Drivetrain: Selectable On-Command 3-way locking differential (2WD, 4WD, 4WD with differential lock).
- Brakes: Sealed hydraulic disc brakes on all wheels.
- Suspension: Independent front and rear suspension with adjustable preload.
- Key Features:
- High-output 660cc engine
- Yamaha Ultramatic automatic transmission
- On-Command 3-way locking differential
- Hydraulic disc brakes
- Sealed, wet-type brake system
- Electric Power Steering (EPS) - *Note: EPS was an option on some models/years, often identified by specific trim designations or added accessories, but was not standard on all 2005 models. It's important to verify if a specific unit has EPS.*
- Digital instrument cluster
- Heavy-duty front and rear racks
- Large-capacity fuel tank
- 2-inch receiver hitch
- Trim Levels: The 2005 Yamaha YFM660 Grizzly was primarily offered in one main trim, the standard Grizzly 660. Color options and potentially the inclusion of Electric Power Steering (EPS) were the primary differentiators.
2005 Yamaha YFM660 Specifications
Vehicle Information
| Year | 2005 |
| 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 | Rear-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 2005 Yamaha YFM660 Have?
The 2005 Yamaha YFM660 Grizzly, while generally regarded as a robust and reliable ATV, does have some frequently reported issues that owners should be aware of. One of the more common concerns revolves around the carburetor. Over time, especially with infrequent use or poor fuel quality, the carburetors can become clogged, leading to starting problems, rough idling, and power loss. Proper cleaning and sometimes rebuilding or replacement of jets are often recommended solutions.
Another area that can require attention is the cooling system. While the liquid-cooled engine is a significant advantage, any leaks or blockages in the radiator, hoses, or water pump can lead to overheating, particularly under heavy load or in hot conditions. Regular maintenance and checking coolant levels are crucial.
The On-Command 3-way locking differential, a key feature for its off-road prowess, can also be a point of concern. While durable, excessive use of the differential lock under high-speed or hard-turning conditions can lead to premature wear on the locking mechanism or associated components. Owners should ensure they use the differential lock only when necessary and disengage it for normal trail riding.
Regarding recalls, it's important to check with Yamaha or the CPSC (Consumer Product Safety Commission) for any issued recalls specific to the 2005 model year. While widespread, major recalls for this model are not as commonly cited as for some other manufacturers or models, the potential for a safety-related recall always exists. Owners should periodically verify if their specific VIN is affected by any recalls.
In terms of long-term reliability, the YFM660 generally holds up well if properly maintained. The engine and drivetrain are robust. However, like any older ATV, components such as CV boots, suspension bushings, and bearings will eventually wear out and require replacement. Electrical components, while generally reliable, can also be a source of issues on older machines, such as stator failures or faulty sensors. Addressing maintenance promptly and using quality parts can significantly extend the life and reliability of a 2005 Yamaha YFM660.
Another area that can require attention is the cooling system. While the liquid-cooled engine is a significant advantage, any leaks or blockages in the radiator, hoses, or water pump can lead to overheating, particularly under heavy load or in hot conditions. Regular maintenance and checking coolant levels are crucial.
The On-Command 3-way locking differential, a key feature for its off-road prowess, can also be a point of concern. While durable, excessive use of the differential lock under high-speed or hard-turning conditions can lead to premature wear on the locking mechanism or associated components. Owners should ensure they use the differential lock only when necessary and disengage it for normal trail riding.
Regarding recalls, it's important to check with Yamaha or the CPSC (Consumer Product Safety Commission) for any issued recalls specific to the 2005 model year. While widespread, major recalls for this model are not as commonly cited as for some other manufacturers or models, the potential for a safety-related recall always exists. Owners should periodically verify if their specific VIN is affected by any recalls.
In terms of long-term reliability, the YFM660 generally holds up well if properly maintained. The engine and drivetrain are robust. However, like any older ATV, components such as CV boots, suspension bushings, and bearings will eventually wear out and require replacement. Electrical components, while generally reliable, can also be a source of issues on older machines, such as stator failures or faulty sensors. Addressing maintenance promptly and using quality parts can significantly extend the life and reliability of a 2005 Yamaha YFM660.
How long will the 2005 Yamaha YFM660 last?
Estimating average mileage for an ATV like the 2005 Yamaha YFM660 is challenging due to its varied usage patterns. However, well-maintained units often see service well beyond 10,000 miles or 10-15 years. The key determinant of long-term durability is consistent and thorough maintenance. Engines and transmissions are known for their longevity if oil changes are performed regularly and the cooling system is kept in check.
Over time, common wear items such as suspension bushings, wheel bearings, and brake components will need replacement, which is standard for any vehicle of this age. The differential and CV joints are also robust but can be susceptible to damage from extreme abuse or lack of proper lubrication. Owners who perform regular inspections, address minor issues proactively, and avoid stressing the drivetrain beyond its design limits can expect their YFM660 to remain a reliable trail companion for many years, showcasing Yamaha's reputation for building durable machines.
Over time, common wear items such as suspension bushings, wheel bearings, and brake components will need replacement, which is standard for any vehicle of this age. The differential and CV joints are also robust but can be susceptible to damage from extreme abuse or lack of proper lubrication. Owners who perform regular inspections, address minor issues proactively, and avoid stressing the drivetrain beyond its design limits can expect their YFM660 to remain a reliable trail companion for many years, showcasing Yamaha's reputation for building durable machines.
What Technology & Safety Features are Included?
The 2005 Yamaha YFM660 Grizzly is a utility-focused ATV, and as such, its technological features are geared towards functionality and performance rather than luxury or entertainment. It does not feature traditional automotive entertainment systems like stereos or infotainment screens. The built-in technology is primarily centered around its operational capabilities and rider feedback.
The instrument cluster is digital and provides essential information to the rider, including speed, odometer, trip meter, fuel level, and 4WD mode indicators. This clear display is crucial for situational awareness on the trail.
In terms of driver-assistance features, the most notable was the optional Electric Power Steering (EPS) system. While not standard on all 2005 YFM660 models, EPS significantly reduces steering effort, especially at low speeds and over rough terrain, lessening rider fatigue. This was a considerable advancement for its time and a highly sought-after feature for those who tackled challenging trails or spent long hours riding.
Safety features are standard for an ATV of its era. The YFM660 is equipped with robust hydraulic disc brakes on all four wheels, providing strong and consistent stopping power. The independent suspension system contributes to stability and rider control by allowing the wheels to react to uneven surfaces, helping to maintain traction and a balanced ride. The ATV also features a powerful headlight system for visibility in low-light conditions.
As an ATV, traditional crash-test ratings from organizations like NHTSA or IIHS are not applicable. ATV safety is primarily the responsibility of the rider through proper gear, adherence to trail rules, and safe riding practices. Yamaha designs its ATVs with sturdy frames, protective bodywork, and reliable components to ensure operational safety within its intended use. Optional accessories often focused on enhancing off-road capability and protection, such as winch systems or skid plates, rather than electronic aids.
The instrument cluster is digital and provides essential information to the rider, including speed, odometer, trip meter, fuel level, and 4WD mode indicators. This clear display is crucial for situational awareness on the trail.
In terms of driver-assistance features, the most notable was the optional Electric Power Steering (EPS) system. While not standard on all 2005 YFM660 models, EPS significantly reduces steering effort, especially at low speeds and over rough terrain, lessening rider fatigue. This was a considerable advancement for its time and a highly sought-after feature for those who tackled challenging trails or spent long hours riding.
Safety features are standard for an ATV of its era. The YFM660 is equipped with robust hydraulic disc brakes on all four wheels, providing strong and consistent stopping power. The independent suspension system contributes to stability and rider control by allowing the wheels to react to uneven surfaces, helping to maintain traction and a balanced ride. The ATV also features a powerful headlight system for visibility in low-light conditions.
As an ATV, traditional crash-test ratings from organizations like NHTSA or IIHS are not applicable. ATV safety is primarily the responsibility of the rider through proper gear, adherence to trail rules, and safe riding practices. Yamaha designs its ATVs with sturdy frames, protective bodywork, and reliable components to ensure operational safety within its intended use. Optional accessories often focused on enhancing off-road capability and protection, such as winch systems or skid plates, rather than electronic aids.
What Colors Options are Available?
We’re working on this section!
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.
2005 Yamaha YFM660 Prices and Market Value
When new, the 2005 Yamaha YFM660 Grizzly typically retailed in the range of $7,000 to $7,500, depending on any optional features like Electric Power Steering (EPS). As is typical for most powersports vehicles, the YFM660 experienced depreciation from its original MSRP.
Currently, the used market price for a 2005 Yamaha YFM660 varies significantly based on condition, mileage, maintenance history, and the presence of desirable features like EPS. Expect to find these models ranging from approximately $3,000 to $5,500. Well-maintained units with low hours/mileage and functional EPS command higher prices. Conversely, those with significant wear, visible damage, or requiring mechanical attention will be at the lower end of the spectrum. Factors like original ownership, consistent maintenance records, and overall aesthetic appeal greatly influence resale value, with Yamaha's reputation for reliability often supporting its used market desirability.
Currently, the used market price for a 2005 Yamaha YFM660 varies significantly based on condition, mileage, maintenance history, and the presence of desirable features like EPS. Expect to find these models ranging from approximately $3,000 to $5,500. Well-maintained units with low hours/mileage and functional EPS command higher prices. Conversely, those with significant wear, visible damage, or requiring mechanical attention will be at the lower end of the spectrum. Factors like original ownership, consistent maintenance records, and overall aesthetic appeal greatly influence resale value, with Yamaha's reputation for reliability often supporting its used market desirability.
2005 Yamaha YFM660 Cost of Ownership
Owning a 2005 Yamaha YFM660 can be reasonably economical if maintained diligently. Insurance costs vary by location and coverage but are generally modest for an ATV. Fuel consumption, while not exceptional, is acceptable given its 660cc engine, averaging around 10-15 mpg. Routine maintenance, including oil changes, filter replacements, and regular inspections, is crucial and relatively inexpensive. Repair costs can escalate if major components like the engine or transmission require work, but due to their robust nature, this is less common with proper care. Overall, the YFM660 is considered moderately costly to own, with maintenance being the key to controlling long-term expenses and ensuring its durability.
2005 Yamaha YFM660 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2005 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
2005 Yamaha YFM660 Insurance
Insurance for a 2005 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 2005 Yamaha YFM660 Compare to Other Motorcycle?
The 2005 Yamaha YFM660 Grizzly stood as a top-tier utility ATV in its era, competing primarily against models like the Honda Foreman 500, Polaris Sportsman 500, and Kawasaki Brute Force 650.
Performance: The YFM660's 660cc engine offered a significant power advantage over many of its 500cc contemporaries, providing strong torque for pulling, climbing, and general trail work. It generally outperformed the Honda Foreman in raw power but was often matched or slightly edged out by the Kawasaki Brute Force 650. The Polaris Sportsman 500 was competitive but often perceived as less refined.
Features: Yamaha's Ultramatic transmission was lauded for its reliability and engine-braking capabilities. The On-Command 3-way locking differential was a key advantage over some rivals that offered only 2WD/4WD or less sophisticated locking systems. The optional EPS was a significant differentiator, offering a comfort and control advantage that some competitors lacked or offered at a higher trim level. Honda was known for its excellent fuel injection on some models, which the YFM660 (carbureted) lacked.
Reliability: Yamaha has a sterling reputation for reliability, and the YFM660 is no exception. It was built with robust components and is known for its longevity. Honda is also legendary for reliability, often considered the benchmark. Kawasaki and Polaris have generally been good, but Yamaha and Honda often hold a slight edge in long-term, trouble-free ownership reputation.
Price: At its launch, the YFM660 was priced competitively within the premium utility ATV segment, often in the mid-$7,000s. Used prices reflect this, with well-maintained YFM660s holding their value well, often in the $3,000-$5,500 range depending on condition and features.
Alternatives:
Performance: The YFM660's 660cc engine offered a significant power advantage over many of its 500cc contemporaries, providing strong torque for pulling, climbing, and general trail work. It generally outperformed the Honda Foreman in raw power but was often matched or slightly edged out by the Kawasaki Brute Force 650. The Polaris Sportsman 500 was competitive but often perceived as less refined.
Features: Yamaha's Ultramatic transmission was lauded for its reliability and engine-braking capabilities. The On-Command 3-way locking differential was a key advantage over some rivals that offered only 2WD/4WD or less sophisticated locking systems. The optional EPS was a significant differentiator, offering a comfort and control advantage that some competitors lacked or offered at a higher trim level. Honda was known for its excellent fuel injection on some models, which the YFM660 (carbureted) lacked.
Reliability: Yamaha has a sterling reputation for reliability, and the YFM660 is no exception. It was built with robust components and is known for its longevity. Honda is also legendary for reliability, often considered the benchmark. Kawasaki and Polaris have generally been good, but Yamaha and Honda often hold a slight edge in long-term, trouble-free ownership reputation.
Price: At its launch, the YFM660 was priced competitively within the premium utility ATV segment, often in the mid-$7,000s. Used prices reflect this, with well-maintained YFM660s holding their value well, often in the $3,000-$5,500 range depending on condition and features.
Alternatives:
- Similar: The Kawasaki Brute Force 650 is a strong alternative, offering comparable power and ruggedness, though sometimes perceived as slightly less refined. The Polaris Sportsman 500 is another option, offering a comfortable ride and good features, though some model years had more reported issues than Yamaha.
- Consider if seeking: If ultimate comfort and a very smooth ride are paramount, and you don't need the absolute highest torque, a later model **Honda Foreman** or **Rancher** could be considered. For pure workhorse capability, the YFM660 remains a solid choice. For a slightly more modern feel or advanced features (though typically at a higher used price point), looking at slightly newer models from any of these brands would be worthwhile.
Final Verdict: Is the 2005 Yamaha YFM660 a Good Motorcycle?
The 2005 Yamaha YFM660 Grizzly is an excellent choice for riders seeking a durable, powerful, and capable utility ATV for demanding tasks and adventurous trail riding. It's ideal for hunters, farmers, landowners, and recreational riders who need reliable power for hauling, towing, and navigating challenging terrain.
Given its age, buying new is not an option. The 2005 YFM660 is definitely worth buying on the used market if you can find one in good condition. The key is to thoroughly inspect any potential purchase, paying close attention to the carburetor, cooling system, and overall mechanical health. Prioritize models with a documented maintenance history. If you can find one with factory Electric Power Steering (EPS), it's a significant bonus for comfort and control, making it even more appealing. It represents a fantastic value for a robust, high-performance utility ATV that continues to offer excellent performance and reliability.
Given its age, buying new is not an option. The 2005 YFM660 is definitely worth buying on the used market if you can find one in good condition. The key is to thoroughly inspect any potential purchase, paying close attention to the carburetor, cooling system, and overall mechanical health. Prioritize models with a documented maintenance history. If you can find one with factory Electric Power Steering (EPS), it's a significant bonus for comfort and control, making it even more appealing. It represents a fantastic value for a robust, high-performance utility ATV that continues to offer excellent performance and reliability.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.