| Date: | Tue, 20 Jun 2000 15:20:29 |
| Subject: | Re: Help my honda moped wont stop going full throttle. |
| From: | Hans Hartman |
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Hello Jason and rest of the mopedeers,
At 08:36 19-6-00 -0700, you wrote:
>How would you be able to tell were its brokeen,Motocrosschamp1? Thanks,
Jason, everybody seems to guess your C70 draws some false air somewhere.
I can't imagine this is happening to your (t)rusty C70.
Take a look at my site (yes, it's filling up);
https://www.idrive.com/hans_hartman
File: carb_c70.gif
This file displays your carb in a so-called exploded view.
I think you just mixed up some adjustments. Items #7 are all about
adjusting idling rev's and air mixture.
The one I've marked idling screw does nothing more then just lift the
throttle slide, the air mixture screw regulates the amount of air in the
idling mixture.
Turn the idling screw anti-clockwise and it should rev down.
Warm up your engine, and turn the mixture screw in completely, then back 1
and a half turn anti-clock. This is the factory default setting. The engine
should tick-over nice and smooth within a range of a half turn either way.
Turn it until the engine runs as fast as it can within these settings, and
adjust the idling screw to normal tick-over speed.
There are of course ways your bike can draw air anyway, if the above
doesn't help. If you over-tighten the M6 nuts fixing the carb to the head,
it will deform the carburettors flange; leaving the both bushes (marked
'bush') out will make it even worse. I have seen quite a few carburettors,
which were mistreated like that.
Further more, you can check your carburettor for missing parts using this
picture. If one or two jets are missing, it might run full throttle too.
Hope this sheds any light on the matter; Cheers,
Hans Hartman
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