Yamaha XVS6501997 Service Manual page 25

Item
Timing chain:
Timing chain type/No. of links
Timing chain adjustment method
Rocker arm/rocker arm shaft:
Bearing inside diameter
Shaft outside diameter
Arm-to-shaft clearance
Valve, valve seat, valve guide:
Valve clearance (cold)
Valve dimensions:
Head Dia
"A" head diameter
"B" face width
"C" seat width
"D" margin thickness
Stem outside diameter
Guide inside diameter
Stem-to-guide clearance
Stem runout limit
Valve seat width
Valve spring:
Free length
Set length (valve closed)
MAINTENANCE SPECIFICATIONS
SILENT CHAIN/118
Automatic
14.000 mm X 14.018 mm
13.980 mm X 13.991 mm
0.009 mm X 0.038 mm
0.07 X 0.12 mm
IN
0.12 X 0.17 mm
EX
Face width
36.9 X 37.1 mm
IN
31.9 X 32.1 mm
EX
IN 2.3 mm
EX 2.3 mm
1.0 X 1.2 mm
IN
1.0 X 1.2 mm
EX
1.0 X 1.4 mm
IN
1.0 X 1.4 mm
EX
6.975 X 6.990 mm
IN
6.960 X 6.975 mm
EX
7.000 X 7.012 mm
IN
7.000 X 7.012 mm
EX
0.010 X 0.037 mm
IN
0.025 X 0.052 mm
EX
SSS
1.0 X 1.2 mm
IN
1.0 X 1.2 mm
EX
IN 43.2 mm
EX 43.2 mm
IN 37.1 mm
EX 37.1 mm
2-5
Standard
Seat Width
SPEC
Limit
SSS
SSS
SSS
SSS
SSS
SSS
SSS
Margin Thickness
SSS
SSS
SSS
SSS
1.8 mm
1.8 mm
0.8 mm
0.8 mm
6.955 mm
6.935 mm
7.042 mm
7.042 mm
0.08 mm
0.10 mm
0.03 mm
1.8 mm
1.8 mm
42.0 mm
42.0 mm
SSS
SSS