Yamaha XV1700PCRC Service Manual page 93

Item
Rocker arms, Rocker arm shafts
Rocker arm inside diameter
Rocker arm shaft outside diameter
Rocker arm to rocker arm shaft clear-
ance
Lift ratio (Y/X)
Valves, valve seats, valve guides
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
A
Head Diameter
Valve head diameter A
Intake
Exhaust
Valve face width B
Intake
Exhaust
Valve seat width C
Intake
Exhaust
Valve margin thickness D
Intake
Exhaust
ENGINE SPECIFICATIONS
18.000 ~ 18.018 mm (0.7087 ~ 0.7094 in) 18.036 mm
17.976 ~ 17.991 mm (0.7077 ~ 0.7083 in) 14.970 mm
0.009 ~ 0.042 mm (0.0004 ~ 0.0017 in)
40.4/29.5 = 1.37
0 ~ 0.04 mm (0 ~ 0.0016 in)
0 ~ 0.04 mm (0 ~ 0.0016 in)
B
Face Width
33.9 ~ 34.1 mm (1.3346 ~ 1.3425 in)
27.9 ~ 28.1 mm (1.0984 ~ 1.1063 in)
1.3 ~ 2.3 mm (0.0512 ~ 0.0906 in)
1.2 ~ 2.4 mm (0.0472 ~ 0.0945 in)
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)
0.7 ~ 1.3 mm (0.0276 ~ 0.0512 in)
0.7 ~ 1.3 mm (0.0276 ~ 0.0512 in)
2 - 5
SPEC
Standard
C
Seat Width
Limit
(0.7101 in)
(0.5894 in)
0.08 mm
(0.003 in)
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D
Margin Thickness
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2.0 mm
(0.079 in)
2.0 mm
(0.079 in)
0.4 mm
(0.016 in)
0.4 mm
(0.016 in)