PIAGGIO NRG Power DT Workshop Manual page 38

Maintenance
− Ensure the one-way valve packing properly
seals the aluminium outlet fitting.
− Refit the aluminium outlet onto the SAS box as
shown in the picture.
- Attach the special tool and move the joints as
shown in the figure.
- Start the engine, adjust the idle speed to 1,700 ±
100 rpm and check the CO value is equal 3.5 ± 1%
- If the parameters found do not agree with the
above figures, act upon the idle adjusting screw.
Otherwise, check the automatic choke device.
Specific tooling
020320Y Exhaust gases analyser
020332Y Digital rev counter
020625Y Kit for sampling gas from the exhaust
manifold
MAIN - 12
NRG Power DT