These are the known mechanical and performance specifications for your 2017 Yamaha YZ250.
Basic Specs
Engine
Displacement249.00 ccm (15.19 cubic inches)
TypeReed-valve inducted
DetailsSingle cylinder, two-stroke
Max RPM
Compression10.6:1
Bore/Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Valves/Cylinder
FuelingCarburettor. Keihin PWK38S
IgnitionCDI
Exhaust
LubricationPremix
CoolingLiquid
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity8.00 litres (2.11 gallons)
Emissions
Chassis
Frame TypeSemi-double cradle aluminium
Rake26.0°
Trail109 mm (4.3 inches)
Front Suspension48mm fork, separate air/oil function fork
Front Travel300 mm (11.8 inches)
Rear SuspensionMonocross rear suspension system
Rear Travel315 mm (12.4 inches)
Seat
Seat Height976 mm (38.4 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,299 mm (51.1 inches)
Total Length2,147 mm (84.5 inches)
Total Width827 mm (32.6 inches)
Ground Clearance367 mm (14.4 inches)
Wheelbase1,481 mm (58.3 inches)
Dry Weight
Wet Weight103.0 kg (227.1 pounds)
Wheels & Brakes
Front Tire/Tyre80/100-21
Rear Tire/Tyre110/90-19
Front BrakesSingle disc
Front Brake Diameter250 mm (9.8 inches)
Rear BrakesSingle disc
Rear Brake Diameter245 mm (9.6 inches)
Wheels
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