6-18 CYLINDER, PISTON AND EXHAUST VALVE
• Install the exhaust side valve cam as following.
• Install the exhaust valve spacer H with the hollow faced out-
side.
• Install the left exhaust side valve in the same manner as the
right exhaust side valve.
NOTE:
Make sure that the exhaust side valve spacer is the same level
with the cylinder. If not so, the exhaust side valve cam isn’t
installed correctly.
• Install a new gasket and side valve cap.
Exhaust side valve cap bolt:
4.5 N·m (0.45 kgf-m, 3.0 lb-ft)
• After assembling the exhaust valve, inspect it for smoothness
by rotating the exhaust valve shaft.
NOTE:
* Temporarily install the bolt to the exhaust valve shaft for above
inspection.
* Hold the exhaust side valve in fear of dropping off.
• Install the cylinder. (6-11)
Exhaust side valve cam
Exhaust side valve
Approx. 35˚
Install the exhaust side valve cam with
aligning the emboss A with the pin of the
exhaust side valve.
Turn the exhaust side valve cam approx.
35˚.
In above position, the pin behind the
exhaust side valve cam engages the
groove B on the exhaust valve cam rod.
Right side : Yellow paint
Left side : White paint
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