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Author Topic: Over-sized jet sizes  (Read 1238 times)

Kenho21

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Over-sized jet sizes
« on: September 27, 2012, 06:55:41 PM »
Anyone know where to get a hold of some jets that are in the 120-135ish range?

I know I can drill them out and stuff and just haven't got round to doing that... all summer. I'd like to find some I can just throw in and ride with.
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2009 Kymco Agility 50- 72cc Airsal kit, Uni Free-Flow Air Filter, Main Jet 120, 1500 Contra Spring, 6g Rollers, Malossi Multivar Variator, NCY Exhaust, NCY 80cc Camshaft, Cut CDI, Smooth Boss Drive, MRP Ignition Coil

bmr_bhoy

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Re: Over-sized jet sizes
« Reply #1 on: September 27, 2012, 07:40:58 PM »
Have you tried eBay?
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mono

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Re: Over-sized jet sizes
« Reply #2 on: September 27, 2012, 08:00:37 PM »
120-135ish range?

What kind of freaky setup are you planning ?

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streido

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Re: Over-sized jet sizes
« Reply #3 on: September 27, 2012, 10:35:10 PM »
I got a 120 from ebay, think they had 130's too. Was advertised as for a 125cc but was correct threads etc and fitted fine.
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Kenho21

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Re: Over-sized jet sizes
« Reply #4 on: September 28, 2012, 11:05:12 PM »
I have a 72cc kit with a very free flowing air filter. Everything up to a 120 is still popping. Do you have a link to the ebay page where you found the 12-230's Streido?
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2009 Kymco Agility 50- 72cc Airsal kit, Uni Free-Flow Air Filter, Main Jet 120, 1500 Contra Spring, 6g Rollers, Malossi Multivar Variator, NCY Exhaust, NCY 80cc Camshaft, Cut CDI, Smooth Boss Drive, MRP Ignition Coil

mono

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Re: Over-sized jet sizes
« Reply #5 on: September 29, 2012, 07:52:46 AM »
120 sounds extremely large to me...

Did you do a plug chop, or did it run better with every larger size jet that you tried - did 118 really run better than 116 or so ?

Or do you just assume it's running lean because the exhaust is popping - which is more often caused by other problems, like a leaking exhaust gasket, failing air cut-off valve in the carb, or a failing cutoff valve in the secondary air system...

Jetting higher than necessary is just a waste of power...
« Last Edit: September 29, 2012, 07:55:06 AM by mono »
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streido

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Re: Over-sized jet sizes
« Reply #6 on: September 29, 2012, 12:05:02 PM »
Quote from: Kenho21 on September 28, 2012, 11:05:12 PM
I have a 72cc kit with a very free flowing air filter. Everything up to a 120 is still popping. Do you have a link to the ebay page where you found the 12-230's Streido?

Nah, cant remember the seller, it was a UK seller anyway so may not be much use to you? Just had a quick look on ebay, found the 120:s but cant see larger ??? They def had 130's cos i nearly ordered one. If i find it later i'll post up a link.
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Bubba

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Re: Over-sized jet sizes
« Reply #7 on: September 30, 2012, 04:47:50 AM »
Im running a 110 from a super 8 and it works just fine but i haven't found many more that are bigger.
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