Yamaha F30B 2018 Service Manual page 337

F30BEHD
Model
F30EHA
Valve stem
Diameter IN
Limit
Diameter EX
Limit
Runout limit IN
Runout limit EX
Valve guide
Inside diameter IN
Clearance IN
Limit
Inside diameter EX
Clearance EX
Limit
Installation height
Valve spring
Free length IN
Limit
Tilt limit IN
Free length EX
Limit
Tilt limit EX
Rocker arm shaft
Outside diameter IN
Outside diameter EX
Rocker arm
Inside diameter IN
Inside diameter EX
Crankcase assembly
Cylinder
Bore
Limit
Piston
Diameter
Limit
F30BET
F30HA
F30A
5.475–5.490 mm (0.2156–0.2161 in)
5.460–5.475 mm (0.2150–0.2156 in)
5.500–5.512 mm (0.2165–0.2170 in)
0.010–0.037 mm (0.0004–0.0015 in)
5.500–5.512 mm (0.2165–0.2170 in)
0.025–0.052 mm (0.0010–0.0020 in)
16.30–16.70 mm (0.6417–0.6575 in)
15.971–15.991 mm (0.6288–0.6296 in)
15.971–15.991 mm (0.6288–0.6296 in)
16.000–16.018 mm (0.6299–0.6306 in)
16.000–16.018 mm (0.6299–0.6306 in)
65.000–65.015 mm (2.5591–2.5596 in)
64.950–64.965 mm (2.5571–2.5577 in)
A-10
F40FEHD
F40FED
F40EHA
5.445 mm (0.2144 in)
5.430 mm (0.2138 in)
0.01 mm (0.0004 in)
0.01 mm (0.0004 in)
0.070 mm (0.0028 in)
0.070 mm (0.0028 in)
39.85 mm (1.57 in)
37.86 mm (1.49 in)
1.7 mm (0.07 in)
39.85 mm (1.57 in)
37.86 mm (1.49 in)
1.7 mm (0.07 in)
65.100 mm (2.5630 in)
64.910 mm (2.5555 in)
F40FET
F40HA
F40A