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valve grinding tool.
6. Remove the residual abrasive.
7. Check the width of valve sealing surface again.
Note:
Do not excessively cut the valve, and turn the cutter evenly with a downward force of
40 ~ 50N.
Do not stick the abrasive on the valve stem and valve guide.
Install the valve
1. Install a new valve oil seal and apply engine oil to the valve guide.
2. Install the valve, valve spring plate, valve spring and spring seat in sequence.
3. Compress the valve spring with the valve spring compressor and install the valve spring
retainer.
4. Tap the valve spring seat with a plastic or rubber hammer to secure the retainer.
Assemble cylinder head
1. Install a new oil seal with the special tool.
2. Fit the camshaft into cylinder head in the oil pump direction.
3. Check whether the spline position faces the cylinder joint surface. If necessary, make
adjustments.
4. Install the rocker arm assembly, spring and rocker shaft.
5. Assemble the oil pump.
Note:
Make sure the mark on the outer rotor faces the oil pump cover
6. Align the oil pump drive shaft and camshaft pins and install the oil pump.
Note:
Before installing the oil pump, make sure the oil path is clear and fill the oil pump with
oil.
Crankcase
Disassembly
1. Remove the oil filter using a special tool.
Note:
Place a cloth under the oil filter.
Filter spanner
2. Remove the bolts in reverse order according to the serial number on the edge of the
screw hole on the exhaust cover plate.
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