2007-2009 Kawasaki KFX50 service manual, Page 73Get this manual
3INSPECTIONADJUSTMENT WHEELSTIRES
Check the tires for cuts, imbedded nails or other damagesCheck the tire pressureTire pressure should be checked when tires are cold
TIRE PRESSURE Rider Front Rear TIRE SIZE Front16 8-7 Rear16 8-7 25 kPa (0.25 kgfcm, 3.6 psi) 25 kPa (0.25 kgfcm, 3.6 psi) Front Axle Nut