2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 27Get this manual
ENGINE SPECIFICATIONS EBS01002
ENGINE SPECIFICATIONS
Item Cylinder head Warp limit -Standard Limit 0.05 mm (0.002 in)
Cylinder Bore size Camshaft Drive method Camshaft cap inside diameter Camshaft journal diameter Camshaft-journal-to-camshaft-cap clearance Camshaft lobe dimensions
95.0095.01 mm (3.74023.7406 in)
Chain drive (Left) 22.00022.021 mm (0.86610.8670 in) -21.96721.980 mm (0.86480.8654 in) -0.0200.054 mm (0.00080.0021 in) 0.080 mm (0.0032 in)