3-5
CHK
ADJ
ADJUSTING THE VALVE CLEARANCE
NOTE:
NOTE:
a. Turn the crankshaft counterclockwise.
b. When piston #1 is at TDC on the compres-
sion stroke, align the TDC mark a on the
timing plate with the mark b on the pickup
coil base plate.
TDC on the compression stroke can be found
when the camshaft lobes are turned away from
each other.
c. Measure the valve clearance with a thick-
ness gauge 1.
SIf the valve clearance is incorrect, record the
measured reading.
SMeasure the valve clearance in the following
sequence.
Valve clearance measuring sequence
Cylinder #1 #2 #4 #3
AFront
d. For each cylinder , starting with cylinder #1 at
TDC, turn the crankshaft counterclockwise
as specified in the following table.
BDegrees that the crank shaft is turned counter
clockwise
CCylinder
DCombustion cycle
Cylinder #2 180_
Cylinder #4 360_
Cylinder #3 540_