Yamaha XV16AL Service Manual page 24

Item
Spring tilt
Intake
Exhaust
Winding direction (top view)
Intake
Exhaust
Outer springs
Free length
Intake
Exhaust
Installed length (valve closed)
Intake
Exhaust
Compressed spring force
(installed)
Intake
Exhaust
Spring tilt
Intake
Exhaust
ENGINE SPECIFICATIONS
Standard
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Counterclockwise
Counterclockwise
43.25 mm (1.70 in)
43.25 mm (1.70 in)
31.0 mm (1.22 in)
31.0 mm (1.22 in)
139 ~ 161 N
(13.9 ~ 16.1 kgf, 30.6 ~ 35.5 lb)
139 ~ 161 N
(13.9 ~ 16.1 kgf, 30.6 ~ 35.5 lb)
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2 - 6
SPEC
Limit
2.5˚ /2.4 mm
(2.5˚/0.094 in)
2.5˚ /2.4 mm
(2.5˚/0.094 in)
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----
41.26 mm
(1.62 in)
41.26 mm
(1.62 in)
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----
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2.5˚ /2.4 mm
(2.5˚/0.094 in)
2.5˚ /2.4 mm
(2.5˚/0.094 in)
2