Yamaha XV19SX(C) Service Manual page 296

NOTE:
• Make sure each valve is installed in its original
place.
• Install the valve springs with the larger pitch "a"
facing up.
b. Smaller pitch
4. Install:
• Valve cotters
NOTE:
Install the valve cotters by compressing the
valve springs with the valve spring compressor
set "1".
Valve spring compressor
90890-04019
YM-04019
VALVES AND VALVE SPRINGS
5. To secure the valve cotters onto the valve
stem, lightly tap the valve tip with a soft-face
hammer.
ECA13800
CAUTION:
Hitting the valve tip with excessive force
could damage the valve.
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