GP 2500A
Maintenance
wc_tx000448gb.fm
31
6.7
Carburetor Adjustment
See Graphic: wc_gr000032
6.7.1
Start the engine and allow it to warm up to operating temperature.
6.7.2
Set the pilot screw
(a)
two turns out. See
Note
.
6.7.3
With the engine idling, turn the pilot screw
(a)
in or out to the setting
that produces the highest rpm.
6.7.4
After the pilot screw is adjusted, turn the throttle stop screw
(b)
to
obtain the standard idle speed. See
Technical Data
.
Note:
On some engines the pilot screw is fitted with a limiter cap
(c)
to prevent excessive enrichment of the air-fuel mixture in order to
comply with emission regulations. The mixture is set at the factory and
no adjustment should be necessary. Do not attempt to remove the
limiter cap. The limiter cap cannot be removed without breaking the
pilot screw.
Summary of Contents for GP 2500A
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Page 13: ...GP 2500A Safety Information wc_si000149gb fm 11 3 5 Label Locations GND 88897...
Page 37: ...GP 2500A Maintenance wc_tx000448gb fm 35...
Page 38: ...Maintenance GP 2500A wc_tx000448gb fm 36 Notes...
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