D1146/D1146TI/DE08TIS
MAINTENANCE MANUAL
53
Printed in Jan. 2001 PS-MMA0415-E1A
z Valve spring inclination
Use a surface plate and a square to
measure the valve spring inclination.
If the measured value exceeds the
specified limit, the valve spring must
be replaced.
(unit : mm) Standard Limit
Valve Spring
Inclination
Less than 1.8 mm 2.7 mm
z Valve spring tension
Use a spring tester to measure the
valve spring tension if the measured
value is less than the specified limit,
the valve spring must be replaced.
Set Length
Spring
force
Limit
Intake
valve
Valve Spring
Tension at 41mm
Set Length
70 kg ± 3%
D1146/TI
: 28.6 kg
± 6 %
Inner 38 mm
DE08TIS
: 38 kg
± 2kg
D1146/TI
: 66 kg
± 5 %
Exhaust
valve
Outer 41 mm
DE08TIS
: 75kg
± 4kg
5) Assembling cylinder head
z Clean the cylinder head thoroughly.
z Replace the valve stem seal with
new one, and by means of a special
tool, press the stem seal into the
valve guide of cylinder head.
z Coat engine oil to valve stem and
valve guide and assemble the valve.
However, be careful for the damage
of valve stem seal.
M1079
M1080
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