14 August. Friday 2026
Yamaha YZ85 - 2017 Specifications and Reviews
The 2017 Yamaha YZ85 is a lightweight 2-stroke motocross bike designed for young riders transitioning to intermediate competition. Known for its nimble handling, manageable 71.2 kg weight, and responsive power delivery, it excels in youth racing classes and provides an ideal balance of performance and control. The compact 841 mm seat height and accessible ergonomics make it one of the most popular stepping stones in junior motocross development.
General information | |
| Category | Cross / motocross |
| Year | 2017 |
| Model | Yamaha YZ85 |
| | |
Engine and Transmission Specifications | |
| Clutch | Wet multi-disc |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Ignition | CDI |
| Fuel system | Carburettor. Keihin PWK 28 |
| Bore x Stroke | 47.5 x 47.8 mm (1.9 x 1.9 inches) |
| Compression | 8.2:1 |
| Engine details | Reed-valve-inducted |
| Engine type | Single cylinder, two-stroke |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 190 mm (7.5 inches) |
| Rear brakes | Single disc. Hydraulic. |
| Front brakes diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tyre | 90/100-14 |
| Front tyre | 70/100-17 |
| Rear wheel travel | 282 mm (11.1 inches) |
| Rear Suspension | Single shock |
| Front wheel travel | 274 mm (10.8 inches) |
| Front Suspension | Inverted fork |
| Rake (fork angle) | 28.0° |
| Frame type | Single-backbone, semi-double-cradle frame |
Physical measures and capacities | |
| Fuel capacity | 4.92 litres (1.30 gallons) |
| Wheelbase | 1,257 mm (49.5 inches) |
| Ground clearance | 330 mm (13.0 inches) |
| Overall width | 759 mm (29.9 inches) |
| Overall length | 1,821 mm (71.7 inches) |
| Overall height | 1,125 mm (44.3 inches) |
| Seat height | 841 mm (33.1 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 71.2 kg (157.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 30 Day Limited Factory Warranty |
| Starter | Electric |
| Color options | Blue/White |
Performance Profile & Rider Fit
Best For
Track85%
City5%
Cornering90%
Daily Riding5%
Touring3%
Passenger0%
Rider Profile
| Best For | This is a youth/amateur competition machine best suited to developing riders with prior dirt bike experience moving up from smaller minis, not adult novices or road riders. |
| Purpose | Built purely for motocross racing and track practice, not for trail riding, commuting, or general recreation. |
| Rider Fit | Its tiny 161 lb wet weight and low seat height suit smaller, lighter riders, typically pre-teens to young teens, rather than full-grown adults. |
| Character | A high-strung, rev-happy two-stroke that rewards aggressive clutch and throttle work with sharp, flickable handling on motocross tracks. |
| Not Ideal For | Not for adult riders, highway use, long-distance touring, or anyone seeking a comfortable or forgiving first bike. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2017 Yamaha YZ85 is a powerful and reliable motocross bike that is perfect for riders of all skill levels. With a lightweight frame and responsive handling, this motorcycle is easy to maneuver on the track. The 85cc engine provides plenty of power and torque, making it ideal for tackling steep hills and tight corners. The YZ85 also features a comfortable and adjustable seat, allowing riders to find the perfect riding position for maximum comfort and control. Overall, the 2017 Yamaha YZ85 is a top-notch motocross bike that delivers impressive performance and reliability. If you're in the market for a high-quality motocross bike, the 2017 Yamaha YZ85 is definitely worth considering. With its powerful engine, responsive handling, and comfortable seat, this motorcycle offers a fantastic riding experience for all skill levels. Whether you're a beginner looking to improve your skills or a seasoned rider seeking a reliable and capable bike, the YZ85 is sure to impress. Don't miss out on the opportunity to own one of the best motocross bikes on the market – check out the 2017 Yamaha YZ85 today!Add a Comment
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