Yamaha 2004 Rhino 660 YXR660FAS Service Manual page 162

VALVES AND VALVE SPRINGS
3. Install:
• valve cotters
NOTE:
Install the valve cotters while compressing the
valve spring with the valve spring compressor
1 and valve spring compressor attachment
2.
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.
4 - 32
ENG
Valve spring compressor set
P/N. YM-04019
Valve spring compressor
P/N. 90890-04019
Valve spring compressor attach-
ment
P/N. YM-01253-1, 90890-01243