The 2007 Yamaha YFM660, often referred to as the Grizzly 660, is a formidable all-terrain vehicle (ATV) produced by Yamaha. First introduced in 2002, it quickly became a benchmark for its class. This utility ATV is known for its rugged body style, designed to tackle challenging terrains. Key trims often focused on variations in features like power steering and special editions. The pricing range for a used 2007 model typically falls between $3,000 and $6,000, depending on condition and mileage. Its popularity stems from its powerful engine, robust build, and excellent off-road capability, making it a favorite among recreational riders and serious off-roaders alike.
The Good
The 2007 Yamaha YFM660 boasts impressive performance with its potent 660cc engine, offering ample power for any trail. Its legendary Yamaha reliability ensures peace of mind, while comfortable seating and a well-designed chassis provide an enjoyable ride. This ATV offers exceptional value, combining capability with a durable build that appeals to both the thrill-seeker and the practical rider.
The Bad
Potential owners of the 2007 Yamaha YFM660 should be aware of some common issues. These can include the carburetor needing frequent adjustments or cleaning, and the potential for the driveshaft or U-joints to wear over time. Some owners have also reported issues with the starter clutch. Inspecting these areas thoroughly is advised.
2007 Yamaha YFM660: Quick Overview
- Engine: 660cc, liquid-cooled, SOHC, 4-stroke, 5-valve, single-cylinder
- Horsepower: Approximately 45-50 hp (This is an estimate as Yamaha does not officially publish this metric for ATVs, but it is widely accepted within the community based on dyno tests and comparisons).
- Fuel Economy: Not officially published by Yamaha, but typically estimated around 15-20 miles per gallon, depending heavily on riding conditions and style.
- 0-60 Times: Not applicable for ATVs in the same way as cars; acceleration is measured by its ability to overcome obstacles and terrain rather than a timed sprint.
- Towing Capacity: The 2007 Yamaha YFM660 Grizzly 660 is equipped with a front and rear rack, with a combined weight capacity of approximately 286 lbs (130 kg). It is not designed for traditional towing like a trailer hitch, but rather for carrying gear.
- Transmission: Ultramatic automatic with dual-range (Hi/Lo) and reverse.
- Drive: On-Command 3-way locking differential (2WD, 4WD, 4WD with differential lock).
- Suspension: Independent front and rear suspension with adjustable preload shocks.
- Brakes: Sealed hydraulic disc brakes front and rear.
- Tires: Front: AT25x8-12, Rear: AT25x10-12.
- Ground Clearance: Approximately 11.8 inches (300 mm).
- Dimensions: Length: 83.1 inches (2110 mm), Width: 45.5 inches (1155 mm), Height: 47.2 inches (1200 mm).
- Wet Weight: Approximately 653 lbs (296 kg).
- Key Trim Features (for the 2007 model year, the primary distinction was often the inclusion of Power Steering):
- Standard Model: All the core features as listed above.
- EPS (Electronic Power Steering) Model: Added EPS to reduce steering effort, particularly at low speeds and over rough terrain, making it more comfortable for long rides and easier to maneuver.
- Special editions might have featured different color schemes or minor accessory packages.
2007 Yamaha YFM660 Specifications
Vehicle Information
| Year | 2007 |
| 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 | - |
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 2007 Yamaha YFM660 Have?
The 2007 Yamaha YFM660 Grizzly 660 is generally regarded as a robust and reliable ATV, benefiting from Yamaha's strong reputation for build quality. However, like any machine, it has some reported issues and areas that owners should monitor for long-term reliability. A frequently mentioned concern revolves around the carburetor. Due to its age and the nature of off-road use, the carburetor can sometimes become clogged or require more frequent cleaning and tuning, especially if the vehicle sits for extended periods or if fuel quality is inconsistent. This can lead to starting problems, rough idling, or a loss of power.
Another area that can experience wear over time is the starter clutch. Some owners have reported a failure of the starter clutch, which prevents the engine from starting properly, often producing a grinding noise. This is typically a mechanical wear item and can be replaced, but it's a known potential failure point.
The driveshaft and its associated U-joints are also components that can experience wear and tear, especially with aggressive riding or if the ATV is used for heavy-duty tasks. Signs of trouble here can include clunking noises when accelerating or decelerating, or vibrations.
Regarding specific recalls for the 2007 model year, it is always recommended to check the official Yamaha website or the Consumer Product Safety Commission (CPSC) database for any active recalls. While major widespread recalls are less common for this model compared to some other vehicles, individual units can be subject to service bulletins or safety recalls. It's crucial for owners to verify if their specific VIN has any outstanding recall work.
In terms of long-term reliability, the engine and drivetrain are generally very strong if properly maintained. Regular oil changes, air filter cleaning or replacement, and proper coolant levels are essential. Owners who neglect maintenance are more likely to encounter the aforementioned issues sooner. The electronic components, such as the ignition system, are also generally reliable, but exposure to excessive water or mud can impact their longevity.
It's worth noting that many reported problems are not necessarily defects but rather the natural wear and tear associated with an older, off-road vehicle. Proper care and timely repairs can significantly extend the life and maintain the reliability of the 2007 Yamaha YFM660.
Another area that can experience wear over time is the starter clutch. Some owners have reported a failure of the starter clutch, which prevents the engine from starting properly, often producing a grinding noise. This is typically a mechanical wear item and can be replaced, but it's a known potential failure point.
The driveshaft and its associated U-joints are also components that can experience wear and tear, especially with aggressive riding or if the ATV is used for heavy-duty tasks. Signs of trouble here can include clunking noises when accelerating or decelerating, or vibrations.
Regarding specific recalls for the 2007 model year, it is always recommended to check the official Yamaha website or the Consumer Product Safety Commission (CPSC) database for any active recalls. While major widespread recalls are less common for this model compared to some other vehicles, individual units can be subject to service bulletins or safety recalls. It's crucial for owners to verify if their specific VIN has any outstanding recall work.
In terms of long-term reliability, the engine and drivetrain are generally very strong if properly maintained. Regular oil changes, air filter cleaning or replacement, and proper coolant levels are essential. Owners who neglect maintenance are more likely to encounter the aforementioned issues sooner. The electronic components, such as the ignition system, are also generally reliable, but exposure to excessive water or mud can impact their longevity.
It's worth noting that many reported problems are not necessarily defects but rather the natural wear and tear associated with an older, off-road vehicle. Proper care and timely repairs can significantly extend the life and maintain the reliability of the 2007 Yamaha YFM660.
How long will the 2007 Yamaha YFM660 last?
Estimating average mileage for an ATV like the 2007 Yamaha YFM660 is challenging due to varied usage patterns. However, many owners report their YFM660s accumulating between 5,000 and 15,000 miles over their lifespan, often spanning 10-15 years or more. Those used for light recreational riding might see lower mileage but longer time in service, while those used for demanding work or trail riding could rack up miles faster.
Long-term durability is a strong suit for the YFM660, provided it receives consistent maintenance. The engine and transmission are known for their robustness and can last for many thousands of miles. Weaknesses that tend to emerge over time include wear on suspension components, the starter clutch, and the carburetor, as mentioned previously. The plastic body panels can also become brittle with age and sun exposure. However, with diligent upkeep, including regular fluid changes, filter cleaning, and addressing minor issues promptly, the YFM660 is capable of providing many years of reliable service and off-road adventure.
Long-term durability is a strong suit for the YFM660, provided it receives consistent maintenance. The engine and transmission are known for their robustness and can last for many thousands of miles. Weaknesses that tend to emerge over time include wear on suspension components, the starter clutch, and the carburetor, as mentioned previously. The plastic body panels can also become brittle with age and sun exposure. However, with diligent upkeep, including regular fluid changes, filter cleaning, and addressing minor issues promptly, the YFM660 is capable of providing many years of reliable service and off-road adventure.
What Technology & Safety Features are Included?
The 2007 Yamaha YFM660 Grizzly 660, being a utility-focused ATV, does not feature advanced technology, entertainment systems, or driver-assistance features in the way a modern car would. Its design prioritizes functionality, durability, and off-road capability.
Built-in Tech: The primary technological features are centered around its operational systems. This includes the robust Ultramatic automatic transmission with its dual-range (Hi/Lo) and reverse gears, known for smooth operation and engine braking. The On-Command 3-way locking differential system is a key technological component, allowing the rider to switch between 2WD, 4WD, and 4WD with the differential locked, providing excellent traction control for various terrains. The digital instrument cluster is functional, displaying essential information like speed, odometer, trip meter, fuel level, and gear selection.
Entertainment: There are no built-in entertainment features like audio systems or connectivity options. The focus is on the experience of riding and the natural sounds of the outdoors.
Driver-Assistance: The most significant driver-assistance feature is the optional Electronic Power Steering (EPS) available on some trims. EPS significantly reduces steering effort, making it easier to maneuver the ATV at low speeds, over rough obstacles, and for extended periods, reducing rider fatigue. Other forms of electronic assistance, such as traction control systems found in some modern vehicles, are absent.
Safety Features: Safety is primarily addressed through the vehicle's inherent design and rider preparedness. It features sealed hydraulic disc brakes front and rear for effective stopping power. The seating position and overall stability are designed for off-road conditions. However, ATVs like the YFM660 do not undergo crash-test ratings in the same manner as passenger vehicles. Safety is heavily reliant on the rider wearing appropriate protective gear (helmet, goggles, gloves, sturdy clothing) and operating the vehicle responsibly and within its intended limits. Yamaha emphasizes safe riding practices in its owner's manuals.
Optional Features: Beyond the EPS, optional features often include things like winches, cargo racks, handguards, and lighting upgrades, which are typically added by dealerships or owners to enhance the ATV's utility and personalization.
Built-in Tech: The primary technological features are centered around its operational systems. This includes the robust Ultramatic automatic transmission with its dual-range (Hi/Lo) and reverse gears, known for smooth operation and engine braking. The On-Command 3-way locking differential system is a key technological component, allowing the rider to switch between 2WD, 4WD, and 4WD with the differential locked, providing excellent traction control for various terrains. The digital instrument cluster is functional, displaying essential information like speed, odometer, trip meter, fuel level, and gear selection.
Entertainment: There are no built-in entertainment features like audio systems or connectivity options. The focus is on the experience of riding and the natural sounds of the outdoors.
Driver-Assistance: The most significant driver-assistance feature is the optional Electronic Power Steering (EPS) available on some trims. EPS significantly reduces steering effort, making it easier to maneuver the ATV at low speeds, over rough obstacles, and for extended periods, reducing rider fatigue. Other forms of electronic assistance, such as traction control systems found in some modern vehicles, are absent.
Safety Features: Safety is primarily addressed through the vehicle's inherent design and rider preparedness. It features sealed hydraulic disc brakes front and rear for effective stopping power. The seating position and overall stability are designed for off-road conditions. However, ATVs like the YFM660 do not undergo crash-test ratings in the same manner as passenger vehicles. Safety is heavily reliant on the rider wearing appropriate protective gear (helmet, goggles, gloves, sturdy clothing) and operating the vehicle responsibly and within its intended limits. Yamaha emphasizes safe riding practices in its owner's manuals.
Optional Features: Beyond the EPS, optional features often include things like winches, cargo racks, handguards, and lighting upgrades, which are typically added by dealerships or owners to enhance the ATV's utility and personalization.
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.
2007 Yamaha YFM660 Prices and Market Value
When new, the 2007 Yamaha YFM660 Grizzly 660 had an MSRP that typically ranged from approximately $7,000 to $8,500, depending on whether it was a standard model or equipped with Electronic Power Steering (EPS) and any special editions.
Currently, the used market price for a 2007 Yamaha YFM660 varies significantly. Well-maintained examples in good condition can fetch anywhere from $3,000 to $6,000. The price is heavily influenced by mileage, overall condition, maintenance history, and the presence of desirable features like EPS or aftermarket accessories.
Depreciation on the YFM660 has been relatively moderate compared to some other recreational vehicles. Its strong reputation for reliability and durability contributes to its sustained value. Factors affecting resale value include the number of hours/miles on the engine, the condition of the suspension and drivetrain, tire wear, cosmetic appearance, and whether it has been used for extreme off-roading or heavy work. A complete maintenance log and clear title also positively impact resale value.
Currently, the used market price for a 2007 Yamaha YFM660 varies significantly. Well-maintained examples in good condition can fetch anywhere from $3,000 to $6,000. The price is heavily influenced by mileage, overall condition, maintenance history, and the presence of desirable features like EPS or aftermarket accessories.
Depreciation on the YFM660 has been relatively moderate compared to some other recreational vehicles. Its strong reputation for reliability and durability contributes to its sustained value. Factors affecting resale value include the number of hours/miles on the engine, the condition of the suspension and drivetrain, tire wear, cosmetic appearance, and whether it has been used for extreme off-roading or heavy work. A complete maintenance log and clear title also positively impact resale value.
2007 Yamaha YFM660 Cost of Ownership
Owning a 2007 Yamaha YFM660 can be relatively economical, especially when considering its robust nature. Insurance costs will vary but are generally more affordable than for a car, often ranging from $100 to $300 annually depending on coverage and location. Fuel consumption is reasonable for its class, averaging 15-20 mpg, making it not excessively costly to run. Maintenance costs are moderate; regular oil changes, filter replacements, and occasional checks on fluids and tires are essential. Repair costs can be manageable if basic mechanical skills are present, as parts are readily available, though complex repairs can add up. Overall, the YFM660 is considered a cost-effective ATV to own due to its durability and relatively low running expenses.
2007 Yamaha YFM660 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2007 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
2007 Yamaha YFM660 Insurance
Insurance for a 2007 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 2007 Yamaha YFM660 Compare to Other Motorcycle?
The 2007 Yamaha YFM660 Grizzly 660 competed in the popular 600-700cc class of utility ATVs. Its key rivals included models like the Honda Rancher/Foreman series, Suzuki KingQuad 700, and Polaris Sportsman 700.
Performance: The YFM660's 660cc engine offered strong, torquey performance, capable of handling demanding trails and moderate work. It generally kept pace with or slightly exceeded the performance of many competitors in its displacement class. The Honda Foreman typically offered reliable power, while the KingQuad 700 was known for its potent engine. Polaris Sportsman often boasted more power and a smoother ride due to its independent rear suspension.
Features: Yamaha's Ultramatic transmission was a standout, offering excellent engine braking and smooth power delivery, often considered superior to some competitors' CVTs at the time. The On-Command 4WD system was versatile. The optional EPS on the Grizzly was a significant advantage for rider comfort, a feature that was not always standard or available on all rival models in the same year.
Reliability: Yamaha has an exceptionally strong reputation for reliability, and the YFM660 is a testament to this. While all ATVs require maintenance, the Grizzly is known for its robust build and longevity. Honda is also renowned for its bulletproof reliability, often considered on par with Yamaha. Suzuki's KingQuad also offered good reliability, though some minor issues were occasionally reported. Polaris, while offering feature-rich machines, sometimes lagged slightly behind Yamaha and Honda in terms of long-term, trouble-free operation, particularly with early CVT designs.
Price: The 2007 YFM660 was competitively priced within its class, offering a good balance of features and performance for the cost. Competitors often fell into similar price brackets, with variations based on specific features and trim levels.
Alternatives:
Ultimately, the 2007 YFM660 stands as a very strong contender, excelling in reliability and balanced performance.
Performance: The YFM660's 660cc engine offered strong, torquey performance, capable of handling demanding trails and moderate work. It generally kept pace with or slightly exceeded the performance of many competitors in its displacement class. The Honda Foreman typically offered reliable power, while the KingQuad 700 was known for its potent engine. Polaris Sportsman often boasted more power and a smoother ride due to its independent rear suspension.
Features: Yamaha's Ultramatic transmission was a standout, offering excellent engine braking and smooth power delivery, often considered superior to some competitors' CVTs at the time. The On-Command 4WD system was versatile. The optional EPS on the Grizzly was a significant advantage for rider comfort, a feature that was not always standard or available on all rival models in the same year.
Reliability: Yamaha has an exceptionally strong reputation for reliability, and the YFM660 is a testament to this. While all ATVs require maintenance, the Grizzly is known for its robust build and longevity. Honda is also renowned for its bulletproof reliability, often considered on par with Yamaha. Suzuki's KingQuad also offered good reliability, though some minor issues were occasionally reported. Polaris, while offering feature-rich machines, sometimes lagged slightly behind Yamaha and Honda in terms of long-term, trouble-free operation, particularly with early CVT designs.
Price: The 2007 YFM660 was competitively priced within its class, offering a good balance of features and performance for the cost. Competitors often fell into similar price brackets, with variations based on specific features and trim levels.
Alternatives:
- Similar Alternatives: If you're looking for comparable performance and reliability, consider the Suzuki KingQuad 700 (around 2005-2008) or the Polaris Sportsman 700 (around 2005-2007). These offer slightly different ride characteristics and feature sets.
- Potentially Better Alternatives (depending on priorities): For ultimate, no-compromise reliability and a slightly more refined riding experience, a Honda Foreman 500 or Rancher 420 from a similar era could be considered, though they offer less raw power than the 660cc class. If raw power and a very plush ride are paramount, a later model Polaris Sportsman 850 might be an option, though often at a higher used price point.
Ultimately, the 2007 YFM660 stands as a very strong contender, excelling in reliability and balanced performance.
Final Verdict: Is the 2007 Yamaha YFM660 a Good Motorcycle?
The 2007 Yamaha YFM660 Grizzly 660 is ideal for recreational riders, hunters, and those who need a capable, workhorse ATV for moderate trail riding or property maintenance. It's particularly well-suited for individuals who prioritize proven reliability, strong engine performance, and excellent off-road traction.
It is absolutely worth buying, especially on the used market. Given its age, buying new is not an option. The key is to find a well-maintained unit. The EPS (Electronic Power Steering) trim is highly recommended for enhanced comfort and reduced fatigue, making it a worthwhile upgrade if available. When purchasing, a thorough inspection, especially of the engine, transmission, and suspension, is crucial. With proper inspection and maintenance, the 2007 YFM660 remains a highly competent and dependable ATV that offers excellent value for its capabilities.
It is absolutely worth buying, especially on the used market. Given its age, buying new is not an option. The key is to find a well-maintained unit. The EPS (Electronic Power Steering) trim is highly recommended for enhanced comfort and reduced fatigue, making it a worthwhile upgrade if available. When purchasing, a thorough inspection, especially of the engine, transmission, and suspension, is crucial. With proper inspection and maintenance, the 2007 YFM660 remains a highly competent and dependable ATV that offers excellent value for its capabilities.
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.