NOTE:
If the valve clearance is incorrect, record the
G
measured reading.
Measure the valve clearance in the following
G
sequence.
Valve clearance measuring sequence
Cylinder #1 → #2 → #4 → #3
(A)
A. Front
d. To measure the valve clearances of the other
cylinders, starting with cylinder #1 at TDC,
turn the crankshaft counterclockwise as
specified in the following table.
(a)
(c)
(b)
a. Degrees that the crankshaft is turned
counterclockwise
b. Cylinder
c. Combustion cycle
1
(c)
(c)
(c)
Cylinder #2
Cylinder #4
Cylinder #3
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
3. Adjust:
Valve clearance
G
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Align the intake and exhaust valve lifter slots
with each other.
b. Install the tappet adjusting tool "1" between
the camshaft and the valve lifter "2".
Tappet adjusting tool
90890-04110
Valve adjustment tool
YM-33966
NOTE:
Make sure the tappet adjusting tool touches only
the valve lifter "2", not the valve pad "3".
1
c. Slowly turn the tappet adjusting tool so that
the valve pad can be removed.
3-5
ENGINE
180°
360°
540°
1
1
3
2