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I've been having posting to and receiving messages from MGS lately, but =
got this, so here goes:
If you have HS cabs then if the jet has not been centred correctly the =
piston won't fully descend, which can cause stalling.
Wind the jet down as far as it can go and see if that allows the piston =
to fully fall. If it does not, then there is another problem such as a =
bent needle, piston binding against the cover, etc.
If the piston fully drops with the piston lowered, then wind the jet up =
to be flush with the bridge while you recentre the jet, then you can be =
sure that with the jet wound back down to its normal running position it =
will be clear.
Jet will bubble up out of the jet, with the ignition on, if the =
vent/overflow plumbing is blocked. This goes via the charcoal canister =
if that is what you have.
The idle with HS carbs (unlike HIF carbs) will gradually fall if left =
idling long enough, like several minutes. But if it drops sooner than =
that try pressing the butterfly cams onto the idle screws as soon as you =
release the throttle, and see if that makes it idle lower straight away. =
If it does then the butterflies aren't returning fully, which could be =
them binding in the carb throat, insufficient return spring pressure, =
binding linkages, insufficient free-play on the throttle cable, etc.
PaulH.
----- Original Message -----=20
The piston drops just fine with a good clank. When the piston drops =
with it inside the pot is when I get problems. It goes all the way down =
except but the last little bit....
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<DIV><FONT size=3D2>I've been having posting to and receiving messages =
from MGS=20
lately, but got this, so here goes:</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>If you have HS cabs then if the jet has not been =
centred=20
correctly the piston won't fully descend, which can cause =
stalling.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>Wind the jet down as far as it can go and see if =
that allows=20
the piston to fully fall. If it does not, then there is another =
problem=20
such as a bent needle, piston binding against the cover, =
etc.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>If the piston fully drops with the piston lowered, =
then=20
w</FONT><FONT size=3D2>ind the jet up to be flush with the bridge while =
you=20
recentre the jet, then you can be sure that with the jet wound back down =
to its=20
normal running position it will be clear.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>Jet will bubble up out of the jet, with the ignition =
on, if=20
the vent/overflow plumbing is blocked. This goes via the charcoal =
canister=20
if that is what you have.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>The idle with HS carbs (unlike HIF carbs) will =
gradually fall=20
if left idling long enough, like several minutes. But if it drops =
sooner=20
than that try pressing the butterfly cams onto the idle screws as soon =
as you=20
release the throttle, and see if that makes it idle lower straight =
away. =20
If it does then the butterflies aren't returning fully, which could be =
them=20
binding in the carb throat, insufficient return spring pressure, binding =
linkages, insufficient free-play on the throttle cable, =
etc.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>PaulH.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2></FONT> </DIV>
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PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<DIV style=3D"FONT: 10pt arial">----- Original Message =
----- </DIV>
<DIV>The piston drops just fine with a good clank. When the piston =
drops with=20
it inside the pot is when I get problems. It goes all the way down =
except but=20
the last little bit....</DIV></BLOCKQUOTE></BODY></HTML>
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