Yamaha T135SE Service Manual page 27

Item
Valve, valve seat, valve guide
Valve clearance (cold)
Valve dimensions
A
HdDi
Head Diameter
"A" head diameter
"B" face width
"C" seat width
"D" margin thickness
Valve stem outside diameter
Guide inside diameter
Valve-stem-to-guide clearance IN
Valve stem runout limit
Valve seat width
MAINTENANCE SPECIFICATIONS
IN 0.10 – 0.14 mm (0.0039 – 0.0055 in)
EX 0.16 – 0.20 mm (0.0063 – 0.0079 in)
B
Face Width
IN 19.40 – 19.60 mm (0.7638 – 0.7717 in)
EX 16.90 – 17.10 mm (0.6654 – 0.6732 in)
IN 1.583 – 2.138 mm (0.060 – 0.0842 in)
EX 1.538 – 2.138 mm (0.0606 – 0.0842 in)
IN 0.9 – 1.1 mm (0.035 – 0.043 in)
EX 0.9 – 1.1 mm (0.035 – 0.043 in)
IN 0.5 – 0.9 mm (0.20 – 0.36 in)
EX 0.5 – 0.9 mm (0.20 – 0.36 in)
IN 4.475 – 4.490 mm (0.1762 – 0.1768 in)
EX 4.460 – 4.475 mm (0.1756 – 0.1762 in)
IN 3.950 – 4.050 mm (0.1555 – 0.1594 in)
EX 3.950 – 4.050 mm (0.1555 – 0.1594 in)
0.0010 – 0.037mm (0 – 0.0015 in)
EX 0.025 – 0.052 mm (0.0010 – 0.0020 in)
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IN/EX 0.9 – 1.1 mm (0.035 – 0.043 in)
2-5
http://www.motorcycle.in.th
SPEC
Standard
C
Seat Width Margin Thickness
Limit
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D
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1.6 mm
(0.0630 in)
1.6 mm
(0.0630 in)
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4.450 mm
(0.1752 in)
4.435 mm
(0.1746 in)
4.542 mm
(0.1788 in)
4.542 mm
(0.1788 in)
0.080 mm
(0.0032 in)
0.100 mm
(0.0039 in)
0.01 mm
(0.0004 in)
1.6 mm
(0.0630 in)