Yamaha Grizzly550 User Manual page 33

Camshaft lobe dimensions
Intake A
Limit
Intake B
Limit
Exhaust A
Limit
Exhaust B
Limit
B
Camshaft runout limit
Timing chain
Model/number of links
Tensioning system
Rocker arm/rocker arm shaft
Rocker arm inside diameter
Rocker arm shaft outside diameter
Rocker-arm-to-rocker-arm-shaft clearance
Valve, valve seat, valve guide
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
Valve head diameter A (intake)
Valve head diameter A (exhaust)
A
Valve face width B (intake)
A
2-4
ENGINE SPECIFICATIONS
43.488–43.588 mm (1.7121–1.7161 in)
43.388 mm (1.7082 in)
36.959–37.059 mm (1.4551–1.4590 in)
36.859 mm (1.4511 in)
43.129–43.229 mm (1.6980–1.7019 in)
43.029 mm (1.6941 in)
37.007–37.107 mm (1.4570–1.4609 in)
36.907 mm (1.4530 in)
0.015 mm (0.0006 in)
98XRH2010/126
Automatic
12.000–12.018 mm (0.4724–0.4731 in)
11.981–11.991 mm (0.4717–0.4721 in)
0.009–0.037 mm (0.0004–0.0015 in)
0.09–0.13 mm (0.0035–0.0051 in)
0.16–0.20 mm (0.0063–0.0079 in)
32.90–33.10 mm (1.2953–1.3031 in)
(YFM5FGY/YFM5FGPY)
37.90–38.10 mm (1.4921–1.5000 in)
(YFM7FGY/YFM7FGPY)
27.90–28.10 mm (1.0984–1.1063 in)
(YFM5FGY/YFM5FGPY)
31.90–32.10 mm (1.2559–1.2638 in)
(YFM7FGY/YFM7FGPY)
2.26 mm (0.0890 in)
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