ENGINE 3-30
Valve spring tension
Spring
INNER
Standard
6.51 - 7.49 kg/32.5 mm
(14.35 - 16.51 lbs/1.28 in)
OUTER
12.09 - 13.91 kg/36.0 mm
(26.65 - 30.67 Ibs/l.42 in)
VALVE AND VALVE
SPRING REASSEMBLY
l
Insert
the valves, with their stems coated with high quality
molybdenum disulfide lubricant (SUZUKI MOLY PASTE)
all around and along the full stem length without any break.
CAUTION:
When inserting each valve, take care not to damage the lip of
the stem seal.
99000-25140
:
SUZUKI MOLY PASTE
l
Install the valve springs with the small-pitch portion @
facing cylinder head.
@$
:
Large-pitch portion.
l
Put on the spring retainer and, using the valve spring com-
pressor, press down the spring, fit the two cotter halves to
the stem end, and release the compressor to allow the cotter
@ to wedge in between seat and stem. Be sure that the
rounded lip @ of the cotter fits snugly into the groove @
in the stem end.
CAUTION:
Be sure to restore each spring, valve and spring retainer to their
original positions.
CYLINDER DISTORTION
Check the gasketed surface of the cylinder for distortion with
a straightedge and thickness gauge, taking a clearance reading
at several places as indicated. If the largest reading at any
position of the straightedge exceeds the limit, replace the
cylinder.
Cylinder distortion
Service Limit
:
0.05 mm (0.002 in)
6.51 - 7.49 kg (14.35 - 16.51 Ibs)
Q
LL
32.5
mm
(1.28 in)
Classic Cycles Technical Resources
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