Yamaha YZ250 - 2008 Specifications and Reviews

The 2008 Yamaha YZ250 is a competitive two-stroke motocross bike designed for intermediate to advanced riders seeking lightweight agility and responsive power delivery. Known for its potent 249cc single-cylinder engine and exceptional maneuverability, it excels in tight track sections and technical terrain. The liquid-cooled powerplant and 5-speed transmission deliver the performance needed for serious racing.

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General information

CategoryCross / motocross
Year2008
ModelYamaha YZ250

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionCDI
Bore x stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Compression9.2:1
Stroke2
Engine typeSingle cylinder
Capacity:249.00 ccm (15.19 cubic inches)
 
 

Physical measures and capacities

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.
Dry weight96.2 kg (212.0 pounds)
 
 

Yamaha YZ250 dimensions and frame

Rear brakes diameter245 mm (9.6 inches)
Rear brakesSingle disc
Front brakes diameter250 mm (9.8 inches)
Front brakesSingle disc
Rear tyre dimensions110/90-M19
Front tyre dimensions80/80-M21
Rear suspensionFully adjustable single shock, 12.4-in travel
Front suspension travel300 mm (11.8 inches)
Front suspensionSpeed-Sensitive System inverted fork
Rake (fork angle)26.0°

Speed and acceleration

Modifications compared to previous model500 grams off the front end makes this the quickest turning, best-handling YZ250 ever.
Fuel capacity7.94 litres (2.10 gallons)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

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

2008 Yamaha YZ250 Rider Ergonomics Assessment

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Feet:

At 993mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2008 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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