WR400

 

WR400FN
Type DOHC, 4 stroke, 5-valve, liquid cooled, single. 
Displacement 399cc
Bore & stroke 92.0 x60.1mm
Compression ratio 12.5 : 1
Lubrication Dry sump
Carburetion "New Type" Keihin FCR 39H/1
Ignition CDI
Starter system kick
Fuel tank capacity 8.0 L
Dry Weight 113kg
Transmission

 

 

 

 
5-speed wide ratio, constant mesh
1st 2.416
2nd 1.733
3rd 1.312
4th 1.054
5th 0.840
Final Drive Chain drive
Overall Length 2,171mm
Overall Width 827mm
Overall Height 1,303mm
Seat Height 998mm
WheelBase 1,490mm
Ground Clearance 373mm
Front Suspension 43mm Kayaba, telescopic fork, upside down fork, compression/ rebound adjustable 300mm travel. 0.46kg/mm spring rate
Rear Suspension Kayaba monocross shock preload compression rebound adjustable 315mm travel. 5.0kg/mm spring rate.
Front Brakes Single disc 245mm
Rear Brakes Single disc 220mm
Front Tires 90/90-21Michelin
Rear Tires 120/90-18 Michelin
Colours Team Yamaha Blue & White
 

 

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