Honda CX500 1978 Shop Manual page 24

HONDA
INSPECTION AND ADJUSTMENT
VALVE CLEARANCE
NOTE
This adjustment must be performed while
the engine is cold (below 3 5 ' ~ ) .
Remove the crankshaft hole cap from the trans-
mission cover and the timing inspection hole
cap from the rear cover.
Remove the spark plug caps.
Remove the cylinder head covers.
Turn the crankshaft clockwise and align the
"TL" mark on the rotor with the pulser index
mark. The left cylinder must be at T.D.C. of
the compression stroke.
Check the intake and exhaust valve clearance of
the left cylinder by inserting a feeler gauge
between the clearance adjusting screw and valve
stem.
VALVE CLEARANCE
IN: 0.08 mm (0.003 in.)
ECTION I4
EX: 0.10 mm (0.004 in.)
Adjust, by loosening the lock nut, and turning
the screw until there
is a
slight drag on the
feeler guage.
Hold the screw and tighten the lock nut.
Recheck the valve clearances. Turn the crank-
shaft clockwise and align the "TR" mark on the
rotor with the pulser index mark. The right
cylinder must be at the T.D.C. of the com-
pression stroke.
Check the intake and exhaust valve clearance
of the right cylinder as described for the left
cvlinder.
1
LEFTCYLINDER
1
RIGHT CYLINDER
I
NOTE
Coat the cylinder head cover bolt rubbers
with oil before tightening.
Date of Issue: January, 1978
OHONDA MOTOR CO.. LTD.