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Key Specifications
Engine
Single cylinder, four-stroke
Weight
111.1 kg / 245.0 lbs
Fuel Capacity
8.33 litres / 2.20 US gallons
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Full 2021 Yamaha YZ250FX Specifications
Comments
Power Tuner app
Colours
Team Yamaha Blue
Warranty
30 Day Limited Factory Warranty
Ground Clearance (in.)
12.6 inches
Ground Clearance (mm)
320 mm
Seat Height
955 mm / 37.6 in.
Wheelbase
1481 mm / 58.3 in.
Height
1270 mm / 50.0 in.
Length
2174 mm / 85.6 in.
Width
826 mm / 32.5 in.
Oil Capacity (l)
1.50 litres
Oil Capacity (Quarts)
1.59 US quarts
Fuel Capacity
8.33 litres / 2.20 US gallons
Wet Weight
111.1 kg / 245.0 lbs
Bore x Stroke (in,)
3.0 x 2.1 inches
Bore x Stroke (mm)
77.0 x 53.6 mm
Displacement (cc)
250.0 cc
Displacement (ci)
15.26 cubic inches
Engine Type
Single cylinder, four-stroke
Fuel Control
Double Overhead Cams/Twin Cam (DOHC)
Engine Detail
Titanium valves
Fuel System
Injection. Mikuni 44mm
Compression Ratio
13.8:1
Starter
Electric
Valve System
4
Clutch
Multiplate wet clutch
Final Drive
Chain (final drive)
Gearbox
6-speed
Primary Drive
O-ring chain
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
27.2°
Trail
117 mm / 4.6 in.
Wheel Travel - Front
310 mm / 12.2 in.
Wheel Travel - Rear
318 mm / 12.5 in.
Brakes - Front
Single disc. Hydraulic.
Brakes - Rear
Single disc. Hydraulic.
Rims
Dunlop® MX3S® tyres
Tyres - Front
80/90-21
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