Author Topic: Gasoline in airfilter & restricted intake?  (Read 1414 times)

tvniklas

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Gasoline in airfilter & restricted intake?
« on: April 22, 2016, 12:43:30 PM »
Hello
I took apart the airbox today and saw a very small amount of gasoline that been running from the carb.
Is that normal. Posted a pic

I see that i have a restriction? on the intake.
Should it stay or be removen?
Posted a pic

Thanks in advance
Kymco Downtown 300i ABS -2013
ODO: 9950km
Dr Pulley 15g / Orginal rollers  (change all the time)
Gas average 0,29L/10km
From: Sweden
--------------------------------
Kymco Like 125  -2016  -Sold
Kymco Agility 50 -2015 -Sold
I have 14g ,15g and 15,5 Pulley´s to sell

JayAre

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Re: Gasoline in airfilter & restricted intake?
« Reply #1 on: April 29, 2016, 10:28:41 PM »
You'll probably get a little gas spiting back. So as long as it's not dripping out of the box after a ride you're OK. I see white spots inside if the air box. Are you using 10% ethanol fuel? If you can use ethanol free gas your carb will be happier!!! Ethanol turns back to sugar & plugs/gums things up!!!
On my 2013 Agility the tube from the box to the carb had a restriction that I ground out. I also cut holes in the plate/box from the inlet air side to the air filter
My wife never asked, " can you make it go faster?" until we bought a 4 stroke Moped. My reply, "yes dear"
2013 Agility 50 de-restricted with 72cc piston & head.
2-2005 Yamaha Zuma's 50cc 2 stroke bone stock

mclark999

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Re: Gasoline in airfilter & restricted intake?
« Reply #2 on: April 30, 2016, 12:59:08 PM »
You'll probably get a little gas spiting back. So as long as it's not dripping out of the box after a ride you're OK. I see white spots inside if the air box. Are you using 10% ethanol fuel? If you can use ethanol free gas your carb will be happier!!! Ethanol turns back to sugar & plugs/gums things up!!!
On my 2013 Agility the tube from the box to the carb had a restriction that I ground out. I also cut holes in the plate/box from the inlet air side to the air filter
Did you have to rejet after you drilled the holes on your air box? I was thinking of drilling around a 3/4 inch hole in mine and jetting it for warm weather and then plugging it each winter instead of rejetting for winter.

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JayAre

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Re: Gasoline in airfilter & restricted intake?
« Reply #3 on: April 30, 2016, 06:14:25 PM »
I put a 72cc BB in it so I ended up with a bigger carb, 20mm Keihin. If you derestricted & put a 85 or 88 jet in you should be ok.
My wife never asked, " can you make it go faster?" until we bought a 4 stroke Moped. My reply, "yes dear"
2013 Agility 50 de-restricted with 72cc piston & head.
2-2005 Yamaha Zuma's 50cc 2 stroke bone stock

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