The 2018 Yamaha YZ250F is a high-performance motocross dirt bike, part of Yamaha's celebrated YZ-F line that debuted the first four-stroke motocrosser in 1998. This model year represented a mature iteration of the YZ250F's established generation (2014-2018), known for its innovative reverse cylinder head design. Typically offered in a single, competition-ready trim, its new price was around $7,799. It stands out for its strong, tractable engine, legendary KYB suspension, and renowned Yamaha reliability, making it a popular choice for aspiring racers and serious enthusiasts.
The Good
The 2018 YZ250F boasts exceptional performance with a potent engine and class-leading KYB suspension, delivering thrilling power and precise handling for emotional buyers. Its renowned reliability and robust build quality appeal to practical owners seeking durability. The aggressive, functional design is both stylish and ergonomic, while its competitive efficiency and strong resale value ensure excellent long-term ownership value.
The Bad
Known weaknesses for the 2018 YZ250F include a somewhat demanding engine character for novice riders, requiring aggressive throttle input to stay in the powerband. The stiff, race-tuned suspension can feel harsh for casual trail riding or less aggressive riders. Additionally, the air filter can be prone to dirt ingress if not seated perfectly, demanding meticulous maintenance.
2018 Yamaha YZ250F: Quick Overview
- Engine: The 2018 YZ250F is powered by a single, liquid-cooled, DOHC, 4-stroke; 4-titanium-valve engine with Yamaha's innovative rearward-slanted cylinder and reverse head layout. This design centralizes mass and allows for a straighter intake tract, optimizing power delivery. It features fuel injection with a 44mm Keihin throttle body for precise fuel metering. The bore and stroke are 77.0mm x 53.6mm, giving it a 249cc displacement. The engine features a high compression ratio of 13.8:1.
- Horsepower: While Yamaha doesn't officially release horsepower figures for its competition bikes, the 2018 YZ250F is generally estimated to produce approximately 40-42 horsepower at the crankshaft, making it highly competitive in its class.
- Fuel Economy: Specific EPA fuel economy figures are not available for off-road competition motorcycles. However, the YZ250F's fuel-injected engine is designed for efficient power delivery during races, typically offering sufficient range for a full moto on its 2.0-gallon fuel tank. Fuel consumption is highly dependent on riding style and track conditions.
- 0-60 Times: Not applicable for motocross bikes, as their primary design intent is for rapid acceleration and maneuverability on dirt tracks rather than timed road performance.
- Towing Capacity: Not applicable. Motocross bikes are not designed for towing.
- Trim-Level Features: The 2018 YZ250F typically comes in one high-performance trim, equipped with race-ready features:
- Chassis: Lightweight aluminum bilateral beam frame for precise handling and rigidity.
- Suspension: Class-leading KYB® Speed Sensitive System (SSS) inverted fork (48mm) and a fully adjustable KYB® single rear shock, offering exceptional adjustability and plush, controlled travel.
- Brakes: Large 270mm front disc brake and 245mm rear disc brake provide strong, predictable stopping power.
- Wheels/Tires: D.I.D® rims with Dunlop® Geomax MX52 tires (80/100-21 front, 100/90-19 rear).
- Clutch: Wet multi-plate coil spring clutch.
- Transmission: Constant mesh 5-speed.
- Electronics: Features an electric starter with a compact battery. Critically, it's compatible with the optional Yamaha Power Tuner app (via a Communication Control Unit, or CCU), allowing wireless tuning of fuel and ignition mapping from a smartphone.
- Ergonomics: Adjustable handlebar position and a flat, narrow seat for rider mobility.
2018 Yamaha YZ250F Specifications
Vehicle Information
| Year | 2018 |
| Make | Yamaha |
| Model | YZ250F |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | IWATA |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 250cc 1cyl |
| Engine Size | 250L |
| Engine Cylinders | 1 |
| Transmission | 5 Motorcycle - Chain Drive |
| Transmission Type | Motorcycle - Chain Drive |
| Transmission Speeds | 5-Speed |
| 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 2018 Yamaha YZ250F Have?
The 2018 Yamaha YZ250F generally maintains Yamaha's reputation for robust reliability, but like any high-performance competition machine, it has specific areas that require attention and can lead to frequently reported problems if neglected.
One common area of concern across this generation (2014-2018) is the air filter setup. Owners frequently report that the airbox design, particularly how the air filter cage seats, can be prone to allowing dirt past the filter if not installed with extreme precision. This can lead to accelerated engine wear, necessitating more frequent piston and ring replacements. Meticulous cleaning and careful installation are paramount.
While not a "problem" per se, the aggressive race-tuned nature of the YZ250F means that components like clutch plates, piston/rings, and valve clearances will require more frequent inspection and replacement compared to recreational bikes. The exhaust header pipe can also be susceptible to damage due to its routing.
For the 2018 model specifically, there were no widespread major mechanical defects or critical design flaws reported that were unique to that year. Yamaha made incremental refinements rather than radical changes from its 2014 redesign. The electric start system, introduced in previous years, was generally reliable, but like any battery-dependent system, proper charging and battery health are crucial.
In terms of recalls, a thorough search of the NHTSA (National Highway Traffic Safety Administration) database for the 2018 Yamaha YZ250F (motorcycle category) does not show any specific safety recalls related to manufacturing defects for that model year. This indicates a generally well-vetted and reliable product from the factory.
Long-term reliability concerns for a YZ250F predominantly revolve around maintenance diligence. Neglecting oil changes, valve checks, or piston replacements at recommended intervals will inevitably lead to costly engine failures. Suspension components (seals, bushings) also require regular servicing, especially with aggressive use. The reverse engine design, while beneficial for performance, means some internal engine components can be more complex to access for rebuilds, potentially increasing labor costs for significant engine work down the line. Overall, it's a durable bike if maintained properly, but it demands consistent, high-level upkeep.
One common area of concern across this generation (2014-2018) is the air filter setup. Owners frequently report that the airbox design, particularly how the air filter cage seats, can be prone to allowing dirt past the filter if not installed with extreme precision. This can lead to accelerated engine wear, necessitating more frequent piston and ring replacements. Meticulous cleaning and careful installation are paramount.
While not a "problem" per se, the aggressive race-tuned nature of the YZ250F means that components like clutch plates, piston/rings, and valve clearances will require more frequent inspection and replacement compared to recreational bikes. The exhaust header pipe can also be susceptible to damage due to its routing.
For the 2018 model specifically, there were no widespread major mechanical defects or critical design flaws reported that were unique to that year. Yamaha made incremental refinements rather than radical changes from its 2014 redesign. The electric start system, introduced in previous years, was generally reliable, but like any battery-dependent system, proper charging and battery health are crucial.
In terms of recalls, a thorough search of the NHTSA (National Highway Traffic Safety Administration) database for the 2018 Yamaha YZ250F (motorcycle category) does not show any specific safety recalls related to manufacturing defects for that model year. This indicates a generally well-vetted and reliable product from the factory.
Long-term reliability concerns for a YZ250F predominantly revolve around maintenance diligence. Neglecting oil changes, valve checks, or piston replacements at recommended intervals will inevitably lead to costly engine failures. Suspension components (seals, bushings) also require regular servicing, especially with aggressive use. The reverse engine design, while beneficial for performance, means some internal engine components can be more complex to access for rebuilds, potentially increasing labor costs for significant engine work down the line. Overall, it's a durable bike if maintained properly, but it demands consistent, high-level upkeep.
How long will the 2018 Yamaha YZ250F last?
Estimating "mileage" for a motocross bike like the 2018 Yamaha YZ250F is tricky, as service intervals are typically based on engine hours rather than miles. For aggressive amateur racers or serious riders, a top-end piston and ring replacement is often recommended every 20-50 hours, and a full bottom-end rebuild every 100-200 hours. This means, with diligent maintenance, the core engine can last many years, often beyond 500 hours, through multiple rebuilds.
Owner data suggests bikes used for casual trail riding with consistent oil changes and valve checks can go longer between major engine work. However, weaknesses over time typically include wear on the clutch, chain, sprockets, wheel bearings, swingarm bearings, and suspension linkages. The suspension seals will eventually leak, requiring servicing. Exhaust systems can corrode or get damaged. Plastic bodywork will show wear and tear quickly. The YZ250F is inherently durable but requires a high level of continuous maintenance to maintain peak performance and longevity.
Owner data suggests bikes used for casual trail riding with consistent oil changes and valve checks can go longer between major engine work. However, weaknesses over time typically include wear on the clutch, chain, sprockets, wheel bearings, swingarm bearings, and suspension linkages. The suspension seals will eventually leak, requiring servicing. Exhaust systems can corrode or get damaged. Plastic bodywork will show wear and tear quickly. The YZ250F is inherently durable but requires a high level of continuous maintenance to maintain peak performance and longevity.
What Technology & Safety Features are Included?
The 2018 Yamaha YZ250F, being a dedicated competition motocross bike, focuses its "tech" squarely on performance and rider tuneability rather than traditional automotive features like entertainment or driver-assistance. It does not include features such as infotainment screens, climate control, or advanced driver-assistance systems (ADAS) like adaptive cruise control or lane-keeping assist, as these are irrelevant for its intended purpose.
The most significant built-in tech feature for the 2018 YZ250F is its compatibility with the optional Yamaha Power Tuner app. This was a revolutionary feature for its time, allowing riders to wirelessly connect to the bike's Communication Control Unit (CCU) via a smartphone app. Through the app, riders can:
Other "tech" includes the advanced fuel injection system, which ensures crisp throttle response and optimal fuel delivery across the rev range, and the electric start system, which provides convenient starting, especially valuable during races.
Safety features in the traditional sense (airbags, ABS, stability control) are not present on competition dirt bikes. Rider safety primarily relies on the bike's predictable handling, strong brakes, and the rider's skill and protective gear. The YZ250F's robust aluminum frame, high-performance suspension, and powerful brakes contribute to its overall rideability and control, which indirectly enhance safety by allowing the rider to manage challenging terrain more effectively.
Crash-test ratings, like those from NCAP or IIHS, are not applicable to off-road competition motorcycles. Optional features from the factory are typically limited to accessories like skid plates, handguards, and graphics kits, with the Yamaha Power Tuner CCU being the primary performance-oriented electronic upgrade.
The most significant built-in tech feature for the 2018 YZ250F is its compatibility with the optional Yamaha Power Tuner app. This was a revolutionary feature for its time, allowing riders to wirelessly connect to the bike's Communication Control Unit (CCU) via a smartphone app. Through the app, riders can:
- Adjust fuel injection and ignition timing maps to fine-tune engine characteristics for different track conditions, riding styles, or personal preferences.
- Record and review race logs, including engine speed, throttle position, and gear position.
- Diagnose engine issues and view diagnostic codes.
Other "tech" includes the advanced fuel injection system, which ensures crisp throttle response and optimal fuel delivery across the rev range, and the electric start system, which provides convenient starting, especially valuable during races.
Safety features in the traditional sense (airbags, ABS, stability control) are not present on competition dirt bikes. Rider safety primarily relies on the bike's predictable handling, strong brakes, and the rider's skill and protective gear. The YZ250F's robust aluminum frame, high-performance suspension, and powerful brakes contribute to its overall rideability and control, which indirectly enhance safety by allowing the rider to manage challenging terrain more effectively.
Crash-test ratings, like those from NCAP or IIHS, are not applicable to off-road competition motorcycles. Optional features from the factory are typically limited to accessories like skid plates, handguards, and graphics kits, with the Yamaha Power Tuner CCU being the primary performance-oriented electronic upgrade.
What Colors Options are Available?
Exterior Colors
Team Yamaha Blue
White
Black
Silver
2018 Yamaha YZ250F Prices and Market Value
When new in 2018, the Yamaha YZ250F had an MSRP of approximately $7,799. As of late 2023/early 2024, current used market prices vary significantly based on condition, hours, and maintenance history, typically ranging from $4,000 to $6,000. Exceptional, low-hour examples might fetch slightly more.
Depreciation for competition dirt bikes like the YZ250F is generally quite good compared to street bikes or cars, especially for well-maintained examples. They hold their value relatively well due to their robust construction and demand in the racing community. Factors affecting resale value include:
Depreciation for competition dirt bikes like the YZ250F is generally quite good compared to street bikes or cars, especially for well-maintained examples. They hold their value relatively well due to their robust construction and demand in the racing community. Factors affecting resale value include:
- Engine Hours: Lower hours command higher prices.
- Maintenance Records: Documented maintenance (oil changes, valve checks, rebuilds) significantly boosts value.
- Condition: Aesthetics (plastics, graphics), wear on components (chain, sprockets, tires), and absence of damage are crucial.
- Modifications: High-quality aftermarket suspension or engine work can add value, but cheap or poorly installed mods can detract.
- Title Status: A clear title is essential.
2018 Yamaha YZ250F Cost of Ownership
Ownership costs for a 2018 Yamaha YZ250F are notably higher than a recreational trail bike. Insurance is often more expensive due to its competition classification and higher theft risk, although liability-only policies for off-road use can be modest. Fuel costs are manageable, as its 2.0-gallon tank requires premium gasoline but is not consumed rapidly. Maintenance is the primary cost driver: frequent oil changes (every 5-10 hours), air filter cleaning after every ride, regular valve checks, and scheduled piston/ring replacements (every 20-50 hours) are essential. Repairs, especially engine rebuilds or suspension overhauls, can be costly. Long-term ownership is definitely costly due to intense maintenance demands and the need for frequent parts replacement from wear and tear. It's an investment in performance, not economy.
2018 Yamaha YZ250F Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2018 Yamaha YZ250F 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
2018 Yamaha YZ250F Insurance
Insurance for a 2018 Yamaha YZ250F is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Yamaha YZ250F Compare to Other Motorcycle?
The 2018 Yamaha YZ250F competes fiercely in the highly competitive 250cc four-stroke motocross class, primarily against the Honda CRF250R, Kawasaki KX250F, KTM 250 SX-F, and Suzuki RM-Z250.
Performance: The YZ250F is renowned for its strong, linear power delivery, especially in the mid-range, thanks to its reverse engine design. Its KYB Speed Sensitive System (SSS) suspension is arguably class-leading, offering exceptional plushness and bottoming resistance. This gives it an edge in handling and rider comfort over rough terrain. The Honda CRF250R, new in 2018, also offers a dual-overhead-cam engine with good top-end, but some found its initial suspension setup slightly less compliant than the Yamaha. The Kawasaki KX250F typically excels with its strong top-end power, while the KTM 250 SX-F is often lauded for its powerful engine, lightweight chassis, and premium components (like Brembo brakes and WP suspension). The Suzuki RM-Z250, while a solid package, often trails slightly in horsepower and features compared to its rivals.
Features: The YZ250F's standout feature is its optional Yamaha Power Tuner app compatibility, allowing wireless engine mapping adjustments – a significant advantage for fine-tuning. The KTM 250 SX-F also offers mapping switches and traction control as standard, along with an electric start. The Honda CRF250R received electric start for 2018 and multiple engine modes. The KX250F also has launch control and optional DFI couplers for tuning, but no wireless app. The RM-Z250 typically has less advanced electronic features.
Reliability: Yamaha, Honda, and Kawasaki generally share a reputation for strong reliability, assuming diligent maintenance. The YZ250F is no exception, known for its durable engine and chassis. KTMs are also reliable but often have slightly higher parts costs due to their premium components. Suzuki is generally reliable but can be seen as less refined in some areas.
Price: All these models were similarly priced new, typically ranging from $7,799 to $8,499. Used prices follow similar trends, with Yamahas and KTMs often holding value well.
Alternatives:
Performance: The YZ250F is renowned for its strong, linear power delivery, especially in the mid-range, thanks to its reverse engine design. Its KYB Speed Sensitive System (SSS) suspension is arguably class-leading, offering exceptional plushness and bottoming resistance. This gives it an edge in handling and rider comfort over rough terrain. The Honda CRF250R, new in 2018, also offers a dual-overhead-cam engine with good top-end, but some found its initial suspension setup slightly less compliant than the Yamaha. The Kawasaki KX250F typically excels with its strong top-end power, while the KTM 250 SX-F is often lauded for its powerful engine, lightweight chassis, and premium components (like Brembo brakes and WP suspension). The Suzuki RM-Z250, while a solid package, often trails slightly in horsepower and features compared to its rivals.
Features: The YZ250F's standout feature is its optional Yamaha Power Tuner app compatibility, allowing wireless engine mapping adjustments – a significant advantage for fine-tuning. The KTM 250 SX-F also offers mapping switches and traction control as standard, along with an electric start. The Honda CRF250R received electric start for 2018 and multiple engine modes. The KX250F also has launch control and optional DFI couplers for tuning, but no wireless app. The RM-Z250 typically has less advanced electronic features.
Reliability: Yamaha, Honda, and Kawasaki generally share a reputation for strong reliability, assuming diligent maintenance. The YZ250F is no exception, known for its durable engine and chassis. KTMs are also reliable but often have slightly higher parts costs due to their premium components. Suzuki is generally reliable but can be seen as less refined in some areas.
Price: All these models were similarly priced new, typically ranging from $7,799 to $8,499. Used prices follow similar trends, with Yamahas and KTMs often holding value well.
Alternatives:
- Similar Alternatives: The 2018 Honda CRF250R offers a competitive package with electric start and strong top-end power. The 2018 KTM 250 SX-F is a formidable alternative if a lightweight, powerful European machine with top-tier components and advanced electronics is preferred.
- Better Alternatives (depending on preference): For riders prioritizing absolute top-end horsepower and premium components straight out of the box, the KTM 250 SX-F could be considered "better." For those who prefer a slightly more nimble feel and potentially lower maintenance costs for some components, the Kawasaki KX250F remains a strong contender.
Final Verdict: Is the 2018 Yamaha YZ250F a Good Motorcycle?
The 2018 Yamaha YZ250F is an ideal machine for serious motocross racers, competitive amateur riders, and skilled enthusiasts who demand top-tier performance and reliability. Its strong, tractable engine, coupled with its class-leading KYB suspension and innovative Power Tuner compatibility, makes it incredibly versatile and effective on the track. It's worth buying for those committed to the rigorous maintenance schedule required of a high-performance race bike.
If considering a purchase, buying a used 2018 YZ250F can offer excellent value. Focus on examples with documented maintenance, low hours, and a clear title. Be prepared for regular, detailed maintenance, including frequent oil changes and periodic engine rebuilds, which are standard for this class of bike. It's not suited for casual backyard riders due to its demanding nature and maintenance intensity, but for the rider looking to compete or push their limits, it's a highly capable and rewarding choice, generally available in a single, well-equipped trim.
If considering a purchase, buying a used 2018 YZ250F can offer excellent value. Focus on examples with documented maintenance, low hours, and a clear title. Be prepared for regular, detailed maintenance, including frequent oil changes and periodic engine rebuilds, which are standard for this class of bike. It's not suited for casual backyard riders due to its demanding nature and maintenance intensity, but for the rider looking to compete or push their limits, it's a highly capable and rewarding choice, generally available in a single, well-equipped trim.
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.