The 2018 Yamaha YZ85 is a highly regarded entry in the competitive mini motocross segment. As part of Yamaha's long-standing YZ line, this compact dirt bike has been a staple for young racers and enthusiasts for years, featuring a consistent body style focused on performance. While specific trims are minimal for this model, its popularity stems from its potent engine, agile handling, and Yamaha's reputation for durability. New pricing typically ranged from $4,300 to $4,500.
The Good
The 2018 YZ85 excels with its thrilling two-stroke power, offering an exhilarating ride that fuels passion. Its robust engineering ensures impressive reliability and a durable platform for aspiring riders, providing practical peace of mind for parents and owners.
The Bad
Potential owners should be aware of the YZ85's demanding powerband, which can be challenging for absolute beginners. Like many high-performance two-strokes, regular and meticulous maintenance is crucial to ensure optimal performance and longevity. It's not a set-it-and-forget-it machine.
2018 Yamaha YZ85: Quick Overview
- Engine: 84.7cc liquid-cooled 2-stroke
- Bore x Stroke: 47.5mm x 47.8mm
- Compression Ratio: 8.2:1
- Fuel System: Mikuni VM28 carburetor
- Ignition: CDI
- Transmission: 6-speed constant mesh
- Clutch: Wet, multi-plate
- Final Drive: Chain
- Suspension (Front): 36mm telescopic fork, adjustable compression and rebound damping
- Suspension (Rear): Independent, adjustable preload, compression and rebound damping
- Brakes (Front): Hydraulic disc
- Brakes (Rear): Hydraulic disc
- Tires (Front): 70/100-17 40M
- Tires (Rear): 90/100-14 49M
- Dimensions (L x W x H): 70.7 in x 31.5 in x 47.4 in
- Seat Height: 32.1 in
- Wheelbase: 49.8 in
- Ground Clearance: 13.4 in
- Fuel Capacity: 1.3 gal
- Wet Weight: 167 lbs
- Horsepower: Estimated around 21-23 hp (actual figures can vary based on tuning and conditions)
- Fuel Economy: Not applicable/measured in the traditional sense for off-road motorcycles; focus is on performance, not MPG.
- 0-60 Times: Not applicable/measured for this type of vehicle.
- Towing Capacity: Not applicable.
- Trim-Level Features: The 2018 Yamaha YZ85 is offered in a single, performance-oriented trim. Key features include a robust liquid-cooled 2-stroke engine, a fully adjustable suspension system for optimal track performance, strong disc brakes, and durable off-road tires. The design emphasizes lightweight construction and aggressive styling, reflecting its racing pedigree.
2018 Yamaha YZ85 Specifications
Vehicle Information
| Year | 2018 |
| Make | Yamaha |
| Model | YZ85 |
| 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 | 85CC |
| Engine Size | 85L |
| Engine Cylinders | 1 |
| Transmission | 6 Motorcycle - Chain Drive |
| Transmission Type | Manual |
| Transmission Speeds | 6-Speed |
| Drivetrain | - |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
Vehicle
Specifications
Specifications
Ownership
History
History
All History
Events
Events
NMVTIS Title
History Check
History Check
Salvage/Rebuilt
Check
Check
Accident
Check
Check
Theft
Check
Check
Open Lien
Check
Check
Past Sale
Listings
Listings
Safety
Recalls
Recalls
Odometer
Check
Check
Market Price
Analysis
Analysis
What Problems Does the 2018 Yamaha YZ85 Have?
The 2018 Yamaha YZ85 is generally regarded as a reliable and robust machine, especially for its class. However, as with most high-performance two-stroke off-road motorcycles, certain areas require diligent attention to prevent issues.
One frequently reported concern, though not necessarily a 'problem' but rather a characteristic of high-strung two-strokes, is the need for regular top-end rebuilds (piston and rings). This is a normal part of ownership for this type of engine and is essential for maintaining peak performance and preventing catastrophic engine failure. Neglecting this can lead to a loss of power and potential damage.
Clutch wear is another area that can be accelerated with aggressive riding, as expected. Owners should monitor clutch feel and adjust or replace plates as needed.
The carburetion, a Mikuni VM28, is generally effective, but proper jetting is crucial for optimal performance in varying altitudes and temperatures. Owners who ride in diverse conditions might need to make adjustments.
While there are no widespread, model-year-specific major mechanical failures reported for the 2018 YZ85, like any used performance vehicle, a thorough pre-purchase inspection is always recommended. Checking for excessive play in bearings (wheel, steering head, swingarm), worn suspension seals, and overall condition of the drivetrain (chain and sprockets) is prudent.
Yamaha typically issues recalls for safety-related issues. A search of NHTSA's database for the 2018 Yamaha YZ85 did not reveal any significant recalls specific to this model year at the time of this writing, indicating a solid manufacturing record for this particular iteration. Long-term reliability is heavily dependent on the owner's adherence to the maintenance schedule outlined in the owner's manual, particularly regarding engine oil changes, coolant levels, and air filter cleaning. Proper care will ensure many enjoyable hours of riding.
One frequently reported concern, though not necessarily a 'problem' but rather a characteristic of high-strung two-strokes, is the need for regular top-end rebuilds (piston and rings). This is a normal part of ownership for this type of engine and is essential for maintaining peak performance and preventing catastrophic engine failure. Neglecting this can lead to a loss of power and potential damage.
Clutch wear is another area that can be accelerated with aggressive riding, as expected. Owners should monitor clutch feel and adjust or replace plates as needed.
The carburetion, a Mikuni VM28, is generally effective, but proper jetting is crucial for optimal performance in varying altitudes and temperatures. Owners who ride in diverse conditions might need to make adjustments.
While there are no widespread, model-year-specific major mechanical failures reported for the 2018 YZ85, like any used performance vehicle, a thorough pre-purchase inspection is always recommended. Checking for excessive play in bearings (wheel, steering head, swingarm), worn suspension seals, and overall condition of the drivetrain (chain and sprockets) is prudent.
Yamaha typically issues recalls for safety-related issues. A search of NHTSA's database for the 2018 Yamaha YZ85 did not reveal any significant recalls specific to this model year at the time of this writing, indicating a solid manufacturing record for this particular iteration. Long-term reliability is heavily dependent on the owner's adherence to the maintenance schedule outlined in the owner's manual, particularly regarding engine oil changes, coolant levels, and air filter cleaning. Proper care will ensure many enjoyable hours of riding.
How long will the 2018 Yamaha YZ85 last?
Estimating precise mileage for off-road motorcycles like the 2018 Yamaha YZ85 is challenging as most owners track hours rather than miles, and usage varies dramatically based on riding conditions and frequency. However, based on typical usage patterns for a youth motocross bike, an average might be around 20-50 hours of riding per year.
With diligent maintenance, including regular top-end rebuilds (every 30-60 hours depending on riding style and quality of parts), oil changes, and chain/sprocket replacement, the core engine and chassis of the YZ85 can last for hundreds of hours. The transmission and clutch are robust. Weaknesses over time typically emerge from components subject to wear and tear: suspension seals, wheel bearings, and brake components require periodic servicing. The frame itself is very durable. Owners who neglect maintenance, particularly engine top-ends, will experience significantly reduced lifespan and performance. The key to long-term durability is consistent and thorough upkeep.
With diligent maintenance, including regular top-end rebuilds (every 30-60 hours depending on riding style and quality of parts), oil changes, and chain/sprocket replacement, the core engine and chassis of the YZ85 can last for hundreds of hours. The transmission and clutch are robust. Weaknesses over time typically emerge from components subject to wear and tear: suspension seals, wheel bearings, and brake components require periodic servicing. The frame itself is very durable. Owners who neglect maintenance, particularly engine top-ends, will experience significantly reduced lifespan and performance. The key to long-term durability is consistent and thorough upkeep.
What Technology & Safety Features are Included?
The 2018 Yamaha YZ85 is a purebred motocross machine, and as such, its focus is squarely on performance and rider control rather than advanced technology, entertainment, or driver-assistance systems.
Built-in Tech: The technological features are very basic, befitting its off-road competition purpose. It features a CDI ignition system for reliable spark delivery. The instrumentation is minimal, typically consisting of a simple hour meter (often optional or an aftermarket addition) to track engine usage for maintenance scheduling. There is no onboard computer, complex diagnostics, or digital displays.
Entertainment: Entertainment features are non-existent. This vehicle is designed for the thrill of riding and racing, not for leisurely cruising or audio playback.
Driver-Assistance Features: Driver-assistance systems are not present. The YZ85 relies entirely on the rider's skill and input. Features like traction control, ABS (though some advanced dirt bikes are now incorporating this), or stability control are absent.
Safety Features: Safety features are primarily mechanical. The powerful hydraulic disc brakes front and rear provide strong stopping power. The robust suspension system is designed to absorb impacts and maintain control over rough terrain. A sturdy frame and handlebars contribute to rider safety. Lights are typically not standard equipment on competitive motocross bikes, as they are not used in sanctioned racing. Some owners may opt for aftermarket lighting kits for trail riding.
Optional Features: Optional features commonly added by owners include aftermarket exhaust systems for performance gains, different gearing, handguards for protection, skid plates for underbody protection, and specialized tires. Graphics kits and seat covers are popular for customization.
Crash-Test Ratings: Crash-test ratings are not applicable to off-road motorcycles like the 2018 Yamaha YZ85. These vehicles are not designed or tested for road-use safety standards or crash survivability in the way that cars or street-legal motorcycles are. Rider protection relies on the rider's gear (helmet, boots, pads) and the inherent design of the motorcycle for off-road riding.
Built-in Tech: The technological features are very basic, befitting its off-road competition purpose. It features a CDI ignition system for reliable spark delivery. The instrumentation is minimal, typically consisting of a simple hour meter (often optional or an aftermarket addition) to track engine usage for maintenance scheduling. There is no onboard computer, complex diagnostics, or digital displays.
Entertainment: Entertainment features are non-existent. This vehicle is designed for the thrill of riding and racing, not for leisurely cruising or audio playback.
Driver-Assistance Features: Driver-assistance systems are not present. The YZ85 relies entirely on the rider's skill and input. Features like traction control, ABS (though some advanced dirt bikes are now incorporating this), or stability control are absent.
Safety Features: Safety features are primarily mechanical. The powerful hydraulic disc brakes front and rear provide strong stopping power. The robust suspension system is designed to absorb impacts and maintain control over rough terrain. A sturdy frame and handlebars contribute to rider safety. Lights are typically not standard equipment on competitive motocross bikes, as they are not used in sanctioned racing. Some owners may opt for aftermarket lighting kits for trail riding.
Optional Features: Optional features commonly added by owners include aftermarket exhaust systems for performance gains, different gearing, handguards for protection, skid plates for underbody protection, and specialized tires. Graphics kits and seat covers are popular for customization.
Crash-Test Ratings: Crash-test ratings are not applicable to off-road motorcycles like the 2018 Yamaha YZ85. These vehicles are not designed or tested for road-use safety standards or crash survivability in the way that cars or street-legal motorcycles are. Rider protection relies on the rider's gear (helmet, boots, pads) and the inherent design of the motorcycle for off-road riding.
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.
2018 Yamaha YZ85 Prices and Market Value
When new, the 2018 Yamaha YZ85 had an MSRP typically ranging from around $4,300 to $4,500.
Currently, the used market prices for a 2018 Yamaha YZ85 can vary significantly based on condition, hours ridden, modifications, and location. Expect to find them generally priced between $2,000 and $3,500. Bikes in excellent, low-hour condition with well-maintained components will command the higher end of this spectrum.
Depreciation on the YZ85 is relatively moderate for a performance off-road motorcycle. While it loses value from its new price, its desirability as a competitive youth motocross bike helps it retain value better than some other recreational vehicles. Factors affecting resale value include meticulous maintenance records, the presence of performance upgrades (if desirable and well-executed), minimal cosmetic damage, and the overall mechanical health of the engine and suspension. Bikes that have been raced heavily or poorly maintained will see a steeper price drop.
Currently, the used market prices for a 2018 Yamaha YZ85 can vary significantly based on condition, hours ridden, modifications, and location. Expect to find them generally priced between $2,000 and $3,500. Bikes in excellent, low-hour condition with well-maintained components will command the higher end of this spectrum.
Depreciation on the YZ85 is relatively moderate for a performance off-road motorcycle. While it loses value from its new price, its desirability as a competitive youth motocross bike helps it retain value better than some other recreational vehicles. Factors affecting resale value include meticulous maintenance records, the presence of performance upgrades (if desirable and well-executed), minimal cosmetic damage, and the overall mechanical health of the engine and suspension. Bikes that have been raced heavily or poorly maintained will see a steeper price drop.
2018 Yamaha YZ85 Cost of Ownership
Owning a 2018 Yamaha YZ85 can be considered moderately costly, primarily due to maintenance and repair needs rather than insurance or fuel. Insurance is often minimal or optional for off-road-only vehicles, especially if not financed. Fuel costs are relatively low given its small 2-stroke engine, but it requires pre-mix fuel (gasoline and oil). The significant costs lie in its performance-oriented nature: regular oil changes, air filter cleaning, and periodic top-end rebuilds are essential. Repair costs for parts like pistons, rings, and clutch components can add up. While not a budget-friendly daily commuter, its ownership costs are generally in line with competitive youth motocross bikes, especially when compared to larger, more complex machines.
2018 Yamaha YZ85 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2018 Yamaha YZ85 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 YZ85 Insurance
Insurance for a 2018 Yamaha YZ85 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 YZ85 Compare to Other Motorcycle?
The 2018 Yamaha YZ85 competes in the highly contested 85cc motocross class. Its primary rivals include the , , , and (though the CR85R was phased out before 2018, it was a previous benchmark).
Performance: The YZ85 is known for its strong, tractable two-stroke powerband, offering a good balance of low-end torque and top-end rush, making it user-friendly yet competitive. The KTM 85 SX and Husqvarna TC 85 often boast slightly more aggressive power delivery and are generally considered top performers in this segment, particularly favored by very experienced racers. The Kawasaki KX85 also offers strong performance with a potent engine.
Features: In terms of features for 2018, the YZ85 offered a capable, fully adjustable suspension and strong disc brakes. The KTM and Husqvarna twins often lead in features, typically including higher-spec components like adjustable WP suspension and sometimes a hydraulic clutch. The KX85 and Honda CR85R (historically) offered solid, competitive feature sets for their time.
Reliability: Yamaha has a long-standing reputation for robust and reliable engines, and the YZ85 is no exception. While all two-stroke motocross bikes require diligent maintenance, the YZ85 is known for its durability. KTM and Husqvarna have improved their reliability significantly over the years, but historically, Yamaha often held a slight edge in overall longevity for engines under demanding use, though this gap has narrowed.
Price: The 2018 YZ85 was priced competitively. The KTM and Husky 85 SX models often carried a premium price tag due to their higher-spec components. The Kawasaki KX85 was usually priced very similarly to the YZ85.
Alternatives:
For similar performance and reliability at a comparable price, the is an excellent alternative. It offers a competitive package that is often easier to find parts for.
If budget is less of a concern and maximum performance potential is the goal, the or are arguably the benchmark for race-ready out-of-the-box performance, though they will likely be more expensive both new and used.
The is another strong contender in this class, known for its smooth power delivery and reliability.
Performance: The YZ85 is known for its strong, tractable two-stroke powerband, offering a good balance of low-end torque and top-end rush, making it user-friendly yet competitive. The KTM 85 SX and Husqvarna TC 85 often boast slightly more aggressive power delivery and are generally considered top performers in this segment, particularly favored by very experienced racers. The Kawasaki KX85 also offers strong performance with a potent engine.
Features: In terms of features for 2018, the YZ85 offered a capable, fully adjustable suspension and strong disc brakes. The KTM and Husqvarna twins often lead in features, typically including higher-spec components like adjustable WP suspension and sometimes a hydraulic clutch. The KX85 and Honda CR85R (historically) offered solid, competitive feature sets for their time.
Reliability: Yamaha has a long-standing reputation for robust and reliable engines, and the YZ85 is no exception. While all two-stroke motocross bikes require diligent maintenance, the YZ85 is known for its durability. KTM and Husqvarna have improved their reliability significantly over the years, but historically, Yamaha often held a slight edge in overall longevity for engines under demanding use, though this gap has narrowed.
Price: The 2018 YZ85 was priced competitively. The KTM and Husky 85 SX models often carried a premium price tag due to their higher-spec components. The Kawasaki KX85 was usually priced very similarly to the YZ85.
Alternatives:
For similar performance and reliability at a comparable price, the
If budget is less of a concern and maximum performance potential is the goal, the
The
Final Verdict: Is the 2018 Yamaha YZ85 a Good Motorcycle?
The 2018 Yamaha YZ85 is an ideal choice for aspiring young motocross racers and experienced dirt bike enthusiasts looking for a capable and durable machine. It strikes an excellent balance between performance and ease of maintenance, making it suitable for riders transitioning from smaller bikes or those competing in the 85cc class.
It is absolutely worth buying, particularly on the used market. The value proposition is strong, offering competitive performance without the premium price of some European counterparts. Buying used is the most common and sensible route.
When purchasing, focus on bikes with well-documented maintenance history. Look for bikes that have been cared for by parents or mechanics who understand the needs of a two-stroke motocross bike. Avoid bikes with excessive hours or evidence of neglect, as these will require immediate and potentially costly repairs. For riders prioritizing a blend of performance, reliability, and a solid racing pedigree, the 2018 YZ85 remains a compelling option.
It is absolutely worth buying, particularly on the used market. The value proposition is strong, offering competitive performance without the premium price of some European counterparts. Buying used is the most common and sensible route.
When purchasing, focus on bikes with well-documented maintenance history. Look for bikes that have been cared for by parents or mechanics who understand the needs of a two-stroke motocross bike. Avoid bikes with excessive hours or evidence of neglect, as these will require immediate and potentially costly repairs. For riders prioritizing a blend of performance, reliability, and a solid racing pedigree, the 2018 YZ85 remains a compelling option.
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