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In case the configuration/
setting of your vehicle does
not correspond to any of those
indicated in the paragraph
"Working", it is possible to
get a new tuning adjusting
the potentiometers as
above explained.
WARNING:
do not attempt to adjust
while riding.
Running in and maintenance
For running in and maintenance,
follow the instructions
found in the "Vehicle use
and maintenance" manual
meticulously.
Assembly data
• Tightening torque for M8 cap
nuts of the stud bolts :
27 Nm (2.7 kgm)
• Tightening torque for M6
lateral nuts fastening the head:
10 Nm (1 kgm)
• Tightening torque for
M5 screws, crown gear
and camshaft:
9 Nm (0.9 kgm)
• Total engine oil capacity:
1 litre
Type: original the original "Use
and maintenance" handbook
• Sparkplug - type/manufacturer:
NGKCPR 9EA-9
Electrode distance:
0.6 ~ 0.7 mm
• Valve clearance:
exhaust: 0,24 mm
intake: 0.10 mm
Valve tightness test
Intake and exhaust: perform the
tests one after the other. Pour
gasoline into the pipeline until
25
it is filled. Use a compressed air
gun to blow along the head of
the particular valve and check
whether air bubbles appear inside
the pipeline. If so, the valve must
be disassembled and grinding
performed even if this procedure
has already been carried out. It
may also be necessary to repeat
the procedure as many times as
needed until the air bubbles no
longer appear. When performing
the test, check to ensure that the
oil seal on the guide is not leaking
fuel. If there is leakage, replace it
with a new one.
Useful suggestions
We advise you to grind
in the exhaust and intake
valves whenever the head is
disassembled. Grinding must
be carried out using the specific
tool and a satisfactory fine
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