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General => Technical | How To => Topic started by: MN_Scoot on February 17, 2014, 07:14:32 AM

Title: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: MN_Scoot on February 17, 2014, 07:14:32 AM

I have searched all over this forum for adjusting a rich carb, but all the advice seems to be for people who have done performance mods. I was hoping to just keep the stock jets and other components / keep it simple. The manual says to adjust the "pilot screw" for a rich mixture...says I need a tachometer to adjust this screw until a 1900rpm.

Is that really all I need to do? I thought my idle was already set pretty well, so I'm not sure I would want to move it too far.

I'm cleaning the entire carb tomorrow, so appreciate any advice.

Thanks!

Title: Re: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: ophelia on February 17, 2014, 07:00:21 PM

It's probably a good idea to measure the float level with a small ruler and compare it with the factory specifications as you are taking apart the carburetor for cleaning. Too much fuel in the float bowl from an out-of-spec float needle or float might make you run rich.

Also, have a look at your air filter. A plugged air filter might also make you run a little rich.

Title: Re: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: wordslinger on February 17, 2014, 10:21:44 PM

.agreed, a dirty filter will cause a rich condition, and a faulty "Auto-Bystarter" (sticking open) will as well..

..check the filter housing as well..I have known critters to crawl up in there and make house..

                                 ::)

..Adjusting the pilot screw only effects the fuel mix while the scoot is at idle speed...

Title: Re: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: naughty lee on February 18, 2014, 09:33:49 PM

Go to the zx50 page, I've put a guide in my tuning mod for setting mixture. Yours will be the same if it's a two stroke

Title: Re: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: wordslinger on February 18, 2014, 11:28:47 PM

..the zx is completely different engine from other KYMCO 2ts, yet procedures work across the board...

..lee, the agility is a 4t..not sure about oem pilot settings on the zx..but other 2ts suggest 3/4 turn open for oem pilot screw setting...on the 4t scoots, that approximate setting is 1.5 turns open..

     ;)

Title: Re: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: MN_Scoot on February 22, 2014, 08:29:54 PM

Thanks everyone. Love this place!

Title: Re: How do I adjust an Agility 50 carb for a carbon-fouled / rich plug without mods?
Post by: wordslinger on February 22, 2014, 10:10:57 PM

..quite welcome!!

..I have a 2008 agility that, in her day, would top out at 60mph...

..modded like mad, but well worth it!!