how much freeway driving?

[Easy Rider]

Originally Posted by trykemike

1/2 hole in intake hood and use 1/16 enricher circuit with hot idle set to 1500 rpm. Tip of plug is black but rest is light brown.

All of that is pretty much expected....HOWEVER.....what you probably have now is: Too rich at idle and WAY lean at higher speeds. Just simply plugging that hole in your air box will put things back pretty close to normal......so you can drop the idle back down and stop using the choke after it warms up good.

One should ***NOT*** monkey with the air filter or housing unless you are also going to re-jet the carb. What you are doing gains you nothing. It comes lean from the factory and that hole in the aribox makes it even LEANER. Not good. Moreover, it lets unfiltered air into the engine. :skull:

[Quimrider]

Originally Posted by trykemike

hey quimrider did you back out of your power mods ?

Beware of the off topic police :whistle: I replied in the Power Increase thread

[Quimrider]

Easy,
I think he was talking about the diverter on the air filter not the air box itself.

[trykemike]

Thanks Quimrider You are correct. I was referring to the diverter not the air box itself. I tested
this by breathing through the filter when I took it out to clean it. The filter was restrictive with the elbow on it si I drilled the 1/2 hole in the elbow to reduce the restriction.It worked. I have not re-jetted the carb because my testing proved that response has now improved noticeably. I had an objective which has been acheived now. Easy is correct that these bikes are lean. The same engine on a gn250 used a 34mm carb and 130 main jet with similiar performance stats but my bike could never exceed 120 kph until mods were done. These mods are however very minimal and conservative. A mechanic advised only uping to 122.5 main jet. ( 2% richer ) I can get that with the enricher circuit on very slightly and can vary according to weather ( humidity and cold ).

[chaser2009]

yes Quimrider was correct i also think he was talking about the diverter on the air filter not the air box itself.but quimrider was the first one who commented it so nice job quimrider.,.



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