Yamaha F30B 2018, Service Manual

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A-10
Model
F 3 0BEHD
F 3 0EHA
F 3 0HA
F 3 0BET
F 3 0A
F40FED
F40FEHD
F40EHA
F40HA
F40FET
F40A
Valve stem
Diameter IN 5.475–5.490 mm (0.2156–0.2161 in)
Limit 5.445 mm (0.2144 in)
Diameter EX 5.460–5.475 mm (0.2150–0.2156 in)
Limit 5.430 mm (0.2138 in)
Runout limit IN 0.01 mm (0.0004 in)
Runout limit EX 0.01 mm (0.0004 in)
Valve guide
Inside diameter IN 5.500–5.512 mm (0.2165–0.2170 in)
Clearance IN 0.010–0.037 mm (0.0004–0.0015 in)
Limit 0.070 mm (0.0028 in)
Inside diameter EX 5.500–5.512 mm (0.2165–0.2170 in)
Clearance EX 0.025–0.052 mm (0.0010–0.0020 in)
Limit 0.070 mm (0.0028 in)
Installation height 16.30–16.70 mm (0.6417–0.6575 in)
Valve spring
Free length IN 39.85 mm (1.57 in)
Limit 37.86 mm (1.49 in)
Tilt limit IN 1.7 mm (0.07 in)
Free length EX 39.85 mm (1.57 in)
Limit 37.86 mm (1.49 in)
Tilt limit EX 1.7 mm (0.07 in)
Rocker arm shaft
Outside diameter IN 15.971–15.991 mm (0.6288–0.6296 in)
Outside diameter EX 15.971–15.991 mm (0.6288–0.6296 in)
Rocker arm
Inside diameter IN 16.000–16.018 mm (0.6299–0.6306 in)
Inside diameter EX 16.000–16.018 mm (0.6299–0.6306 in)
Crankcase assembly
Cylinder
Bore 65.000–65.015 mm (2.5591–2.5596 in)
Limit 65.100 mm (2.5630 in)
Piston
Diameter 64.950–64.965 mm (2.5571–2.5577 in)
Limit 64.910 mm (2.5555 in)