yz400 carb

2 replies to this topic
  • caz

Posted July 27, 2006 - 06:41 PM


dose any one know what size(mm)carb is on a 99 yz400


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  • tom nolan

Posted July 28, 2006 - 06:31 AM


I hope this answers most of your questions about the 400

39mm Keihin carburetorEngine Liquid cooled, 4-stroke, 5 valve, dual overhead cam
Bore and Stroke 92.0mm x 60.1mm
Displacement 399cc
Engine Compression
Ratio 12.5:1
Carburetion Keihin 39mm FCR, accelerator pump, throttle positioning sensor
Ignition CDI
Fuel 92 Octane
Oil Capacity 1600cc
Transmission 5 - speed
1st 1.929:1
2nd 1.563:1
3rd 1.278:1
4th 1.091:1
5th 0.952:1
Wheelbase 58.3"
Overall Length 85.3"
Ground Clearance 14.7"
Seat Height 38.5"
Overall Height 50.5"
Rake and Trail 27.2 degrees/4.7"
Weight 233 lbs.
Forks Inverted KYB
Fork Travel 11.8"
Fork Spring Rate 0.45kg/mm
Rear Suspension KYB Shock
Shock Travel 12.4""
Shock Spring Rate 5.4kg/mm
Tire Sizes:
Front 80/100 x 21
Rear 110/90 x 19
Fuel Tank
Capacity 2.1 gallons

  • caz

Posted July 28, 2006 - 06:33 PM


ya that helps,im putting the carb on drz sm


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