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Key Specifications
Engine
Single cylinder, four-stroke
Fuel Capacity
7.57 litres
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Full 2018 Yamaha YZ250FX Specifications
Colours
Team Yamaha Blue
Warranty
30 Day Limited Factory Warranty
Width (mm)
826 mm
Width (in.)
32.5 inches
Wheelbase (mm)
1,466 mm
Wheelbase (in.)
57.7 inches
Seat Height (mm)
965 mm
Seat Height (in.)
38.0 inches
Length (mm)
2,164 mm
Length (in.)
85.2 inches
Height (mm)
1,280 mm
Height (in.)
50.4 inches
Ground Clearance (mm)
325 mm
Ground Clearance (in.)
12.8 inches
Wet Weight (lbs.)
249.0 pounds
Wet Weight (kg)
112.9 kg
Oil Capacity (Quarts)
0.10 quarts
Oil Capacity (l)
1.50 litres
Fuel Capacity (l)
7.57 litres
Fuel Capacity (gal.)
2.00 gallons
Fuel Control
Double Overhead Cams/Twin Cam (DOHC)
Engine Type
Single cylinder, four-stroke
Bore x Stroke (mm)
77.0 x 53.6 mm
Bore x Stroke (in,)
3.0 x 2.1 inches
Engine Detail
Titanium valves
Fuel System
Injection. Keihin® 44mm
Compression Ratio
13.5:1
Starter
Electric
Valve System
4
Clutch
Multiplate wet clutch
Final Drive
Chain
Gearbox
6-speed
Primary Drive
O-ring chain
Trail (in.)
4.5 inches
Trail (mm)
114 mm
Wheel Travel - Front (in.)
12.2 inches
Wheel Travel - Front (mm)
310 mm
Wheel Travel - Rear (in.)
12.5 inches
Wheel Travel - Rear (mm)
318 mm
Frame Type
Bilateral beam frame
Suspension - Front
KYB® spring-type fork with speed sensitive damping; fully adjustable
Suspension - Rear
KYB® single shock; full adjustable
Rake
26.3°
Brakes - Front Diameter (in.)
10.6 inches
Brakes - Front Diameter (mm)
270 mm
Brakes - Rear Diameter (in.)
9.6 inches
Brakes - Rear Diameter (mm)
245 mm
Brakes - Front
Single disc. Hydraulic.
Brakes - Rear
Single disc. Hydraulic.
Rims
Dunlop® AT81F tyres
Tyres - Front
90/90-21
Tyres - Rear
110/100-18
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