Yamaha YZ250 - 2017 Specifications and Reviews

The 2017 Yamaha YZ250 is a lightweight two-stroke motocross bike designed for intermediate to advanced amateur riders seeking aggressive performance. Known for its responsive power delivery and nimble handling, it excels in competitive off-road racing where its 103kg frame and potent engine command respect on technical terrain.

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General information

CategoryCross / motocross
Year2017
ModelYamaha YZ250

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
Lubrication systemPremix
IgnitionCDI
Fuel systemCarburettor. Keihin PWK38S
Bore x Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Compression10.6:1
Engine detailsReed-valve inducted
Engine typeSingle cylinder, two-stroke
Capacity:249.00 ccm (15.19 cubic inches)
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc
Rear tyre110/90-19
Front tyre80/100-21
Rear wheel travel315 mm (12.4 inches)
Rear SuspensionMonocross rear suspension system
Front wheel travel300 mm (11.8 inches)
Front Suspension48mm fork, separate air/oil function fork
Trail109 mm (4.3 inches)
Rake (fork angle)26.0°
Frame typeSemi-double cradle aluminium
 
 

Physical measures and capacities

Oil capacity0.80 litres (0.05 quarts)
Fuel capacity8.00 litres (2.11 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance367 mm (14.4 inches)
Overall width827 mm (32.6 inches)
Overall length2,147 mm (84.5 inches)
Overall height1,299 mm (51.1 inches)
Seat height976 mm (38.4 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc103.0 kg (227.1 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsBlue/White

Performance Profile & Rider Fit

Best For

Track90%
City5%
Cornering85%
Daily Riding8%
Touring8%
Passenger0%

Rider Profile

Best ForBest suited to intermediate and expert off-road riders who understand two-stroke power delivery and motocross bike handling.
PurposeBuilt purely for motocross track riding and competitive off-road racing, not for general transportation.
Rider FitIts ultra-light 103 kg wet weight and tall 975 mm seat height demand good rider fitness, standing-based riding skill, and reasonable leg length.
CharacterA raw, punchy two-stroke motocrosser that rewards aggressive riding, precise clutch and throttle control, and delivers explosive mid-to-top-end power with razor-sharp agility.
Not Ideal ForNot suitable for commuting, highway travel, passengers, or riders wanting plush comfort and low-maintenance simplicity.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2017 Yamaha YZ250 Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 976mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2017 Yamaha YZ250, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2017 Yamaha YZ250 is a powerful and reliable off-road motorcycle that has been a favorite among motocross enthusiasts. Its 250cc liquid-cooled two-stroke engine delivers impressive acceleration and top-end power, making it well-suited for racing and aggressive riding. The lightweight aluminum frame and adjustable suspension provide excellent handling and maneuverability, allowing riders to navigate tight corners and rough terrain with ease. Overall, the YZ250 offers a winning combination of performance and durability, making it a top choice for riders looking for a high-performance off-road bike. With its impressive power and agile handling, the 2017 Yamaha YZ250 is a standout choice for motocross and off-road enthusiasts. The bike's 250cc two-stroke engine delivers strong acceleration and top-end power, while its lightweight frame and suspension provide excellent maneuverability and control. Whether you're hitting the track or blazing through trails, the YZ250 offers the durability and performance needed to tackle challenging terrain. If you're in the market for a high-performance off-road motorcycle, the 2017 Yamaha YZ250 is definitely worth considering.
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