HONBA
CB400T
CYLINDER HEADIVALVE
Remove carbon deposits from the combustion
chamber.
Clean off the head gasket surfaces.
Gasket will come
ofi easier if soaked
CYLINDER HEAD INSPECTION
Check the spark plug hole and valve areas
for cracks.
Check the cylinder head for
warpage with
a
straight edge and a feeler gauge.
VALVE SPRING FREE LENGTH
INSPECTION
Measure the free length of the inner and outer
valve springs.
SERVICE LIMITS:
INNER:
IN.
35.5
mm
(1.40
in.)
EX.
39.5
mm
(1.56
in.)
OUTER: IN.
49.0
mm
(1.93
in.)
EX.
49.5
mm
(1.95
in.)
1
Date of Issue: September.
1977
O
HONDA MOTOR CO..
LTD.
6-9