Yamaha WR450F(S), Руководство по эксплуатации для владельца

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ENG
VALVES AND VALVE SPRINGS
ASSEMBLY AND INSTALLATION
1. Apply:
●
Molybdenum disulfide oil
Onto the valve stem and valve stem
seal.
2. Install:
●
Valves 1
●
Valve spring seats 2
●
Valve stem seals 3
●
Valve springs 4
●
Valve spring retainers 5
NOTE:
●
Make sure that each valve is installed in its
original place, also referring to the painted
color as follows.
Intake (middle)
a
: blue
Intake (right/left)
b
: gray
Exhaust: not paint
●
Install the valve springs with the larger pitch
c
facing upward.
d
Smaller pitch
New
3. Install:
●
Valve cotters
NOTE:
While compressing the valve spring with a
valve spring compressor
1 install the valve
cotters.
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:
YM-4019/90890-04019