Yamaha FJR1300N 2001 Service Manual page 62

Item
Valve springs
Free length
Intake
Exhaust
Installed length (valve closed)
Intake
Exhaust
Compressed spring force (installed)
Intake
Exhaust
Spring tilt
Intake
Exhaust
Winding direction (top view)
Intake
Exhaust
ENGINE SPECIFICATIONS
Standard
39.7 mm
39.7 mm
33 mm
33 mm
136 ~ 158 N (13.9 ~ 16.1 kgf)
136 ~ 158 N (13.9 ~ 16.1 kgf)
----
----
Clockwise
Clockwise
2 - 6
SPEC
Limit
37.7 mm
37.7 mm
----
----
----
----
2.5° /1.7 mm
2.5° /1.7 mm
----
----