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Replacement factory-style electric choke carburetter?

 
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Wed Sep 19, 2018 8:00 pm    Post subject: Replacement factory-style electric choke carburetter? Reply with quote

I'm helping a friend of mine get her scooter running. The float bowl was completely clogged and full of hard, crusty fuel residue. The main jet was also pretty clogged too



I cleaned out the bowl and scaled them, I cleared the jets with a pin and cleaned the whole assembly. I loaded it with fresh gas after draining the old stuff.
I replaced the spark plug but I'm wondering if the carburetter was too gone. I wanted to see about getting a replacement carburetter on there.

I was shopping around and saw most of them were $160+ but this one was listed for under $100
https://www.scootertuning.ca/en/carburettors-sport-midrace/99003-replacement-carburetor-naraku-genuine-pgo-kymco.html

it doesn't look exactly the same, but wondering if this could be made to work if I cut some new fuel lines to match the ports?

or: is there a better place I could find the OEM one?
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Fri Oct 19, 2018 12:48 pm    Post subject: Reply with quote

anyone?
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Stanza
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Joined: 29 Jan 2018
Posts: 262
Location: Chicago
Puch Maxi

PostPosted: Fri Oct 19, 2018 1:28 pm    Post subject: Reply with quote

Based on the bowl, it looks like there was only about half a bowl of crusted gas. If that's the case, then you might be able to get away with just a good cleaning, as you've done. If not, you can still bring this one back on the cheap by replacing the pilot jet, main jet, and jet holder. Those are your three big clog items. Even adding on a replacement bowl wouldn't drive the cost up to anywhere near a replacement carb.
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Fri Oct 19, 2018 1:32 pm    Post subject: Reply with quote

there's a lot of crap up in the orifices beyond the jets too.
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Stanza
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Joined: 29 Jan 2018
Posts: 262
Location: Chicago
Puch Maxi

PostPosted: Fri Oct 19, 2018 5:28 pm    Post subject: Reply with quote

Looks like there's a Genuine dealership down in Boston, maybe they'd be able to do a deep clean? If not, maybe they'd have some options for a replacement? Kind of a hike, though...
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Point37
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Joined: 08 Mar 2018
Posts: 254
Location: MA
'13 Buddy 125 Seafoam

PostPosted: Fri Oct 19, 2018 6:31 pm    Post subject: Reply with quote

https://www.youtube.com/watch?v=6LW7Y1wggrQ
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Fri Oct 19, 2018 7:00 pm    Post subject: Reply with quote

yeah, I was thinking if that $75 one works, it might be just as cheap as buying new jets and doing a deep clean. My wife has medical problems associated with strong odors like cleaning stuff like carb dip right now.

Also, I'm not entirely sure how to get the float out of this carburetter and I know that can't go in the dip.

This looks just like the one on it now and it even says it's a replacement for PGO engines
https://www.scootertuning.ca/en/carburettors-sport-midrace/99003-replacement-carburetor-naraku-genuine-pgo-kymco.html
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Point37
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Joined: 08 Mar 2018
Posts: 254
Location: MA
'13 Buddy 125 Seafoam

PostPosted: Fri Oct 19, 2018 7:04 pm    Post subject: Reply with quote

to get the float out all you have to do is push the pin that it hinges on out and it will come right out...when you go to pull the float the needle valve will come with it so pay attention to how that is connected and don't bend the linkage

or buy this...i use mine all the time with water and simple green hd (purple) for carbs...
https://www.harborfreight.com/25-liter-ultrasonic-cleaner-63256.html
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Fri Oct 19, 2018 7:53 pm    Post subject: Reply with quote

Ok, I just went for it. got the carburetter stripped of all the rubber and plastic and dipped it. I'll check in tomorrow. I need to put a camera down the throat and make sure the reeds are ok.

*edit - my endoscope won't make the turn in the intake manifold... too long Sad
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Stanza
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Joined: 29 Jan 2018
Posts: 262
Location: Chicago
Puch Maxi

PostPosted: Mon Oct 22, 2018 6:03 pm    Post subject: Reply with quote

Easy way to tell if your reeds are good is to place your thumb over the intake tube while cranking the engine. If you get good suction, you're fine. If there is air puffing back out at you, "Houston, we have a problem"
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Wed Oct 24, 2018 2:10 am    Post subject: Reply with quote

ah, good point.
I was going to compression test it too. Would a compression test be different with bad reeds? I have to imagine it's not going to have any at BDC
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Stanza
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Joined: 29 Jan 2018
Posts: 262
Location: Chicago
Puch Maxi

PostPosted: Wed Oct 24, 2018 1:57 pm    Post subject: Reply with quote

It would definitely be worse. A happy/healthy Roughhouse should be anywhere from 135-150psi, depending on how your rings have worn. Anything below 125 will struggle to idle, and anything below 105 will be weak sauce that barely runs, if at all.

Last edited by Stanza on Wed Oct 24, 2018 5:12 pm; edited 1 time in total
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chapel
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Joined: 19 Sep 2018
Posts: 11
Location: Salem MA
RoughHouse 50

PostPosted: Wed Oct 24, 2018 2:19 pm    Post subject: Reply with quote

great. thanks. that's helpful
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