DavidBoren
Member
- Messages
- 32
- Reaction score
- 8
Let us begin with the fact that I do not currently have a go kart, nor have I ever owned one, and I probably won't ever...
I am here to pick your brains and study your habits... I am a "tinkerer" and I have this lawn mower... you can probably see where this is going....
My little Craftsman M250 push mower has a Honda GCV160 on it, and that particular GCV160 has a Keihin 18mm constant velocity carb...
The CVK18 Honda uses has a freaking emulsion tube!!! Weber uses emulsion tubes to regulate mid-range fuel curves... my lawn mower, and ever other lawn mower I know of, literally never operates in its mid-range... lawn mowers are at idle, or wide-open throttle (WOT), all day, all the time. There is literally NO mid-range.
So the use of this emulsion tube has to be for leaner overall jetting... literally any pre-mixture [emulsion] given by the emulsion tube will allow leaner main jet(s). And Honda, wanting decent fuel economy and emissions publicity/advertising has undoubtedly jetted these carbs/engines as lean as possible from the favtory...
Leaving literally no room to up the governor speed without re-jetting the carb.
I am here for your experience and collective knowledge for adjusting/tuning small, air-cooled engines from lean of peak to rich of peak operation.
Did I come to the right place?
I am here to pick your brains and study your habits... I am a "tinkerer" and I have this lawn mower... you can probably see where this is going....
My little Craftsman M250 push mower has a Honda GCV160 on it, and that particular GCV160 has a Keihin 18mm constant velocity carb...
The CVK18 Honda uses has a freaking emulsion tube!!! Weber uses emulsion tubes to regulate mid-range fuel curves... my lawn mower, and ever other lawn mower I know of, literally never operates in its mid-range... lawn mowers are at idle, or wide-open throttle (WOT), all day, all the time. There is literally NO mid-range.
So the use of this emulsion tube has to be for leaner overall jetting... literally any pre-mixture [emulsion] given by the emulsion tube will allow leaner main jet(s). And Honda, wanting decent fuel economy and emissions publicity/advertising has undoubtedly jetted these carbs/engines as lean as possible from the favtory...
Leaving literally no room to up the governor speed without re-jetting the carb.
I am here for your experience and collective knowledge for adjusting/tuning small, air-cooled engines from lean of peak to rich of peak operation.
Did I come to the right place?