Yamaha TTR90 1999 Fahrer-Handbuch Und Wartungs-Handbuch Seite 61

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)
28.32 mm (1.11 in)
28.32 mm (1.11 in)
24.2 mm (0.95 in)
24.2 mm (0.95 in)
90.4 ~ 104.1 N
(9.2 ~ 10.6 kg, 20.32 ~ 23.40 lb)
90.4 ~ 104.1 N
(9.2 ~ 10.6 kg, 20.32 ~ 23.40 lb)
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Clockwise
Clockwise
2 - 6
SPEC
Limit
0.02 mm
(0.0008 in)
1.6 mm
(0.06 in)
1.6 mm
(0.06 in)
26.9 mm
(1.06 in)
26.9 mm
(1.06 in)
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2.5˚/1.2 mm
(2.5˚/0.05 in)
2.5˚/1.2 mm
(2.5˚/0.05 in)
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