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Key Specifications
Engine
Single cylinder, four-stroke
Fuel Capacity
8.33 litres
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Full 2021 Yamaha YZ250FX Specifications
Comments
Power Tuner app
Colours
Team Yamaha Blue
Warranty
30 Day Limited Factory Warranty
Width (mm)
826 mm
Width (in.)
32.5 inches
Wheelbase (mm)
1481 mm
Wheelbase (in.)
58.3 inches
Seat Height (mm)
955 mm
Seat Height (in.)
37.6 inches
Length (mm)
2174 mm
Length (in.)
85.6 inches
Height (mm)
1270 mm
Height (in.)
50.0 inches
Ground Clearance (mm)
320 mm
Ground Clearance (in.)
12.6 inches
Wet Weight (lbs.)
245.0 pounds
Wet Weight (kg)
111.1 kg
Oil Capacity (Quarts)
1.59 US quarts
Oil Capacity (l)
1.50 litres
Fuel Capacity (l)
8.33 litres
Fuel Capacity (gal.)
2.20 US gallons
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
Bore x Stroke (in,)
3.0 x 2.1 inches
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
Trail (in.)
4.6 inches
Trail (mm)
117 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
27.2°
Brakes - Front
Single disc. Hydraulic.
Brakes - Rear
Single disc. Hydraulic.
Rims
Dunlop® MX3S® tyres
Tyres - Front
80/90-21
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