2008 Suzuki LT-A400/F, LT-F400/F ATV Service Manual, Page 91Get this manual
Engine Mechanical: Tighten the cylinder head nuts to the specified torqueTightening torque Cylinder head nut (8 mm) (Initial): 10 Nm (1.0 kgfm, 7.0 lb-ft) Cylinder head nut (8 mm) (Final): 25 Nm (2.5 kgfm, 18.0 lb-ft)
Install the C-ring (1) and cam chain tensioner (2) Install the camshaft and camshaft sprocket
CAUTION
Install the camshaft sprocket so that the stamped mark side faces outside
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Tighten the cylinder base nuts to the specified torqueTightening torque Cylinder base nut: 10 Nm (1.0 kgf-m, 7.0 lb-ft)
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Align the marks "C" on the camshaft so that they are parallel with the surface of the cylinder head Engage the hole of the camshaft sprocket with the locating pin "D" on the camshaftNOTE Do not rotate the generator rotor while doing thisWhen the sprocket is not positioned correctly, turn the sprocket Tighten the cam chain tensioner bolt (3)Tightening torque Cam chain tensioner bolt (a): 13 Nm (1.3 kgf-m, 9.5 lb-ft)