Yamaha TT-R125 1999 Manuel D'atelier Du Proprietaire page 73

Stem runout limit
Valve seat width
Valve spring:
Free length
Set length (valve closed)
Compressed pressure
(installed)
Tilt limit *
Direction of winding
(top view)
MAINTENANCE SPECIFICATIONS
Item
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
Standard
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0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
0.9 ~ 1.1 mm
(0.0354 ~ 0.0433 in)
32.55 mm (1.28 in)
32.55 mm (1.28 in)
25.6 mm (1.01 in)
25.6 mm (1.01 in)
137.5 ~ 158.1 N
(14.0 ~ 16.1 kg, 30.86 ~ 35.49 lb)
137.5 ~ 158.1 N
(14.0 ~ 16.1 kg, 30.86 ~ 35.49 lb)
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Clockwise
Clockwise
2 - 6
SPEC
Limit
0.01 mm
(0.0004 in)
1.6 mm
(0.0630 in)
1.6 mm
(0.0630 in)
31.2 mm
(1.23 in)
31.2 mm
(1.23 in)
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2.5˚/1.4 mm
(2.5˚/0.06 in)
2.5˚/1.4 mm
(2.5˚/0.06 in)
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