Brixton BX125, Руководство по обслуживанию

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If the contact is higher part in the valve, use a 32°
cutter to lower the race to its minimum height.
If the contact is lower part in the valve, use a 60°
cutter to raise the valve base to its minimum height.
Use a 45°trimming cutter to trim the valve base so
that it meets the required specifications.
After the valve base is ground, apply polishing
agent across the valve surface to polish the valve
gently.
Installation
Installation is executed in the reverse sequence of disassembly.
Attentions:
To install the valve spring, it shall be such installed that the end with smaller spring pitch faces the combustion
chamber.
To install valve locking clamp, compress the spring with its compression tool.
To install the valve, apply a right amount of engine oil across the valve rod, and then place the rod into the
guide.
Valve lash adjustment
Install the cylinder cover hood special for valve lash
adjustment, measure the clearance between the cam
base circle and the tappet with a test gauge.
Intake valve: 0.04-0.06mm
Exhaust valve: 0.09-0.11mm
接触面高
接触面低
32
°
60
°
测试规
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