Yamaha YZ250 - 2015 Specifications and Reviews

The 2015 Yamaha YZ250 is a lightweight two-stroke motocross bike engineered for competitive amateur and semi-professional riders seeking sharp handling and explosive power delivery. Known for its responsive Keihin carburettor setup and liquid-cooled engine, it excels in technical terrain with its well-sorted suspension and nimble chassis geometry. The bike balances raw performance with reliability, making it a benchmark machine for serious weekend warriors and aspiring racers.

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General information

CategoryCross / motocross
Year2015
ModelYamaha YZ250

Engine and Transmission Specifications

Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionCDI
Fuel systemCarburettor. Keihin PWK38S
Bore x Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Compression8.9:1
Engine detailsReed-valve inducted
Engine typeSingle cylinder, two-stroke
 
 

Brakes, suspension, Frame and wheels

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc. Hydraulic.
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc. Hydraulic.
Rear tyre110/90-19
Front tyre80/100-21
Rear wheel travel315 mm (12.4 inches)
Rear SuspensionFully adjustable single shock
Front wheel travel300 mm (11.8 inches)
Front SuspensionSpeed-Sensitive System inverted fork
Rake (fork angle)28.0°

Physical measures and capacities

Fuel capacity7.95 litres (2.10 gallons)
Wheelbase1,481 mm (58.3 inches)
Ground clearance381 mm (15.0 inches)
Overall width828 mm (32.6 inches)
Overall length2,177 mm (85.7 inches)
Overall height1,306 mm (51.4 inches)
Seat height993 mm (39.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc103.0 kg (227.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Factory warranty30 Day Limited Factory Warranty
StarterElectric
Color optionsTeam Yamaha Blue/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

2015 Yamaha YZ250 Rider Ergonomics Assessment

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

Feet:

At 993mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2015 Yamaha YZ250, with a moderate knee angle of around 90 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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