Yamaha LIT-11616-16-02 Model Vehicle User Manual


 
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ENG
CAMSHAFT, ROCKER ARMS AND VALVES
12.Measure:
Spring tilt a
Out of specification Replace.
Spring tilt limit:
Inner:
2.5°/1.6 mm (0.06 in)
Outer:
2.5°/1.6 mm (0.06 in)
INSTALLING THE VALVES AND VALVE
SPRINGS
1.Apply:
Molybdenum disulfide oil
(onto the valve stem and valve stem seal)
2.Install:
Valve spring seat
Valve stem seal
Valve
Valve springs (inner and outer)
Valve spring retainer
N
OTE:
Install the valve springs with the larger pitch a
facing upwards.
b
Smaller pitch
New
3.Install:
Valve cotters
N
OTE:
Install the valve cotters while compressing the
valve springs with the valve spring compressor 1.
4.To secure the valve cotters onto the valve
stem, lightly tap the valve tip with a piece of
wood.
CAUTION:
Hitting the valve tip with excessive force
could damage the valve.
Valve spring compressor:
P/N. YM-04019, 90890-04019