3-11
dummyheaddummyhead
MAINTENANCE
No.1 Cylinder: Make sure that the "1" mark [1] on the cam sprocket is
aligned with the upper cylinder head index line [2].
Make sure that the "2" mark [3] on the cam sprocket is
aligned with the upper cylinder head index line.
If the "1" mark or "2" mark is facing lower cylinder head
index line [4], turn the crankshaft counterclockwise one
full turn (360°) and realign the "1T" mark or "2T" mark
with the index notch.
Check the valve clearance by inserting a feeler gauge
[1] between the valve adjusting screw and valve stem.
ADJUSTMENT
Loosen the lock nut [1] and apply engine oil to the
adjusting screw threads and seating surface.
Adjust by turning the adjusting screw [2] until there is a
slight drag on the feeler gauge [3].
Hold the adjusting screw and tighten the lock nut to the
specified torque.
After tightening the lock nut, recheck the valve
clearance.
Apply engine oil to a new O-ring [1] and install it to the
camshaft maintenance cap [2].
Temporarily Install the camshaft maintenance cap to
the cylinder head.
If the engine is removed from the frame, tighten the
camshaft maintenance cap to the specified torque.
No.2 Cylinder:
[1]
[2]
[4]
[2]
[3]
No.1 CYLINDER: No.2 CYLINDER:
VALVE CLEARANCE:
IN: 0.17 ± 0.02 mm (0.007 ± 0.001 in)
EX: 0.28 ± 0.02 mm (0.011 ± 0.001 in)
TORQUE:14 N·m (1.4 kgf·m, 10 lbf·ft)
TORQUE:4.0 N·m (0.4 kgf·m, 3.0 lbf·ft)