Yamaha YZ450FF 1SL-28199-11, Руководство по эксплуатации для владельца

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ENGINE SPECIFICATIONS
2-3
Cylinder head
Volume 25.98–26.78 cm
3
(1.59–1.63 cu.in)
Warpage limit 0.05 mm (0.0020 in)
Camshaft
Drive system Chain drive (left)
Camshaft cap inside diameter 22.000–22.021 mm (0.8661–0.8670 in)
Camshaft journal diameter 21.959–21.972 mm (0.8645–0.8650 in)
Camshaft-journal-to-camshaft-cap clearance 0.028–0.062 mm (0.0011–0.0024 in)
Camshaft lobe dimensions
Intake A 37.730–37.830 mm (1.4854–1.4894 in)
Limit 37.630 mm (1.4815 in)
Intake B 27.950–28.050 mm (1.1004–1.1043 in)
Limit 27.850 mm (1.0965 in)
Exhaust A 33.540–33.640 mm (1.3205–1.3244 in)
Limit 33.440 mm (1.3165 in)
Exhaust B 24.769–24.869 mm (0.9752–0.9791 in)
Limit 24.669 mm (0.9712 in)
Camshaft runout limit 0.030 mm (0.0012 in)
Timing chain
Tensioning system Automatic
Valve, valve seat, valve guide
Valve clearance (cold)
Intake 0.13–0.20 mm (0.0051–0.0079 in)
Exhaust 0.20–0.25 mm (0.0079–0.0098 in)
Valve dimensions
Valve head diameter A (intake) 36.90–37.10 mm (1.4528–1.4606 in)
Valve head diameter A (exhaust) 30.40–30.60 mm (1.1968–1.2047 in)
Valve face width B (intake) 1.697 mm (0.0668 in)
Valve face width B (exhaust) 1.768 mm (0.0696 in)
A
B
A
B