Yamaha TT-R50E Owner's Service Manual page 61

Stem runout limit
Valve seat width
Valve spring:
Free length
Set length (valve closed)
Compressed pressure (installed) IN
Tilt limit
*
Direction of winding (top view)
MAINTENANCE SPECIFICATIONS
Item
IN
EX
IN
EX
IN
EX
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)
32.45 mm (1.28 in)
32.45 mm (1.28 in)
24.2 mm (0.95 in)
24.2 mm (0.95 in)
138 ~ 158 N
(14.07 ~ 16.11 kg,
31.02 ~ 35.52 lb)
138 ~ 158 N
(14.07 ~ 16.11 kg,
31.02 ~ 35.52 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)
30.83 mm
(1.21 in)
30.83 mm
(1.21 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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