[Ducati] NDC- possible carb issues with CCM? Help please

[orphieboy at comcast.net]

Ouch. Damn government. So be it.
 -------------- Original message ----------------------
From: "Garth Williams" <garthfw at gmail.com>
> Good morning listers,
> 
> I've been having issues with my CCM supermoto lately and am asking for the
> advice of the list.  This CCM uses a 604cc Rotax motor with a single
> dell'orto carb (at least I think that's what it is).  In trying to diagnose
> and solve other problems, I've replaced the coil, wire and plug.  I've also
> had the carb out several times.  The issue now is this:  in lower gears, the
> motor runs fine.  However, when you go full throttle (or near it) in higher
> gears, where you have a long time in the gear, the engine "bucks" like it's
> either starved for fuel or spark.
> 
> On Sunday, I fiddled with the air-fuel screw, going both in and out in 1/2
> turn increments.  There was no real change in the condition.  I've also
> swapped the old coil back in place to no avail.
> 
> I'm thinking there's not enough fuel in the float bowl and it's starving.
> Any other hypotheses?
> 
> 
> Thanks,
> 
> 
> Garth
> *****
> 
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