2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 506Get this manual
10-4 LT-A400FLT-F400FK9 ('09 MODEL)
SERVICE DATA (For LT-A400F)
ValveGuide Unit: mm (in) Item INValve diamEXINValve clearance (when cold) EXINValve guide to valve stem clearance EXValve guide I.DIN& EXINValve stem O.DEXValve stem deflection IN& EXValve stem runout IN& EXValve head thickness IN& EXValve stem end length IN& EXValve seat width IN& EXValve head radial runout IN& EXValve spring free length IN& EXValve spring tension CamshaftCylinder Head Unit: mm (in) Item Cam height Camshaft journal oil clearance Camshaft journal holder I.DCamshaft journal O.DCamshaft runout Rocker arm I.DRocker arm shaft O.DCylinder head distortion Cylinder head cover distortion IN& EXStandard 30.6 (1.20) 27.0 (1.06) 0.05 0.10 (0.002 0.004) 0.22 0.27 (0.009 0.011) 0.010 0.037 (0.0004 0.0015) 0.030 0.057 (0.0012 0.0022) 5.000 5.012 (0.1969 0.1973) 4.975 4.990 (0.1959 0.1965) 4.955 4.970 (0.1951 0.1957) 0.9 1.1 (0.035 0.043) Approx196 (20.0 kgf, 44.1 lbs) at length 31.5 mm (1.24 in) Limit 0.35 (0.014) 0.05 (0.002) 0.5 (0.02) 2.3 (0.09) 0.03 (0.001) 40.9 (1.61)