Clinician
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Post by learae on Mar 30, 2013 16:08:21 GMT -6
Hi Everyone, I'm repairing a Roketa Sicily 150cc. Aside from the starter solonoid, the next thing wrong is this thing. i.imgur.com/pxwYjw9.jpgi.imgur.com/D9sEVbD.jpgWhat is this thing? It comes off of a long metal hose coming out of the bottom side of the valve cover, wraps to the back of the scooter, and then the other end goes somewhere, not sure where as I took it apart a while ago. You can also see it's pretty shredded up (It will forever be a mystery how that happened) so do I need to replace it or can I disable this system somehow (plug it?) The valve cover has a different opening for a vent line already. My other scooters don't have this. Thanks for the help! |
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Scooter Doc
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Post by justbuggin on Mar 30, 2013 22:12:13 GMT -6
that is part of a smog system you can get rid of it but you have to plug up all the holes that it attach to
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Post by LUKE on Mar 30, 2013 22:48:15 GMT -6
justbuggy is right,,that catheter looking biotch is a smog system thingie.
one end goes to the valve cover and the other end goes to the air filter its purpose is to suck up excess fumes from the carbs and air filter(gas leaks whatever)to prevent them from spreading in the atmosphere. yes you can remove that catheter,it will never affect the scooter performance so dont worry. but remember,without that you are directly poisoning the nature, Algore will not be happy to hear that. he's a tree hugger btw.
good luck brother!
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Post by Alleyoop on Mar 30, 2013 22:54:27 GMT -6
That is pair system you can take it off but you have to plug up the outlet on the head. Plug up the Vacuum line at its ORIGIN. Alleyoop  The metal plug you can make one up or buy it, GY6Monster sells them scroll down to the bottom. monstergy6.com/product_engine_parts.htm |
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Post by Alleyoop on Mar 30, 2013 23:16:55 GMT -6
justbuggy is right,,that catheter looking biotch is a smog system thingie. one end goes to the valve cover and the other end goes to the air filter its purpose is to suck up excess fumes from the carbs and air filter(gas leaks whatever)to prevent them from spreading in the atmosphere. yes you can remove that catheter,it will never affect the scooter performance so dont worry. but remember,without that you are directly poisoning the nature, Algore will not be happy to hear that. he's a tree hugger btw. good luck brother! It does none of the above it actually sucks in fresh air. Alleyoop |
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Post by LUKE on Mar 30, 2013 23:30:01 GMT -6
mr. alley, thanks for always embarassing me. i can still hold my temper. this is the second time you did it. please do not abuse your being an administrator
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Post by Alleyoop on Mar 31, 2013 0:02:52 GMT -6
When someone puts up information that is not right it has to be corrected, that is how people learn. If you do not correct it, it may cause worse problems for the one asking or a problem they are trying to fix. Some get offended being corrected some say I did not know that. But now they know more than they did before. Just like in school if the teacher asked a question and someone raised their hand and gave the wrong answer, the teacher will correct them.
So don't get offended Luke is has nothing to do with being a moderator it has all to do with trying to help the person with a problem. If I know what the problem could be I will usually respond, sometimes I am wrong on the diagnose and sometimes I am right on the diagnose. We are all not perfect and know everything .
Alleyoop
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Post by drifter on Mar 31, 2013 2:11:08 GMT -6
We are all not perfect and know everything. Alleyoop
JUST WATCH THE LITTLE FISH TILL YOU GET HIC CUPS
HA HA HA GUESS WHOOOOOOOOOOOOOOOOO? ? THIS IS REALLY EARTH MAN PRETENDING TO BE LUKE WHO IS REALLY TERRA NOVA ACTING AS ----STUMPY
NOW WATCH SOME DRIFTER COME SIT ON MY HEAD |
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Post by Bashan on Mar 31, 2013 5:43:36 GMT -6
First issue:
Second issue:
Let's take it down a notch, skip the recriminations, and keep it on topic. It's not fair to the member looking for help to have a fire break out.
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Post by LUKE on Mar 31, 2013 7:38:26 GMT -6
ok rich, sorry.
alley, its alright, now i understand.
happy easter!
back to the topic....
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Post by Bashan on Mar 31, 2013 8:57:18 GMT -6
I looked at your link Alley and initially I thought $10.50 was awfully high. But I have to admit, that looks to be really high quality:
Dave at Absolutely Scooters sells the plate and a gasket (scroll way down on the link):
 ........... 
That is an OEM gasket above so it has a hole in it to let air through. But the plate covers everything so the hole doesn't matter. I make my plates out of aluminum stock from Tractor Supply or Lowes and use a piece of exhaust gasket material from Auto Weinie:
The check valve housing confuses a lot of people. It just hangs on the valve cover but has nothing to do with it except as an attachment point. Fresh air runs through it like this:
It does not open into the valve cover. It holds a little check valve so the air can't go backwards out of the housing. Here's the valve taken apart....very low tech.  :
I have run scooters many times by leaving the check valve and housing on and just take the fresh air hose off. The check valve keeps exhaust from coming back out but it's not a good idea to run like that a long time.
That weird looking S tube actually serves a purpose other than make you wonder "what the hell are the Chinese doing over there?". Anybody know? Anybody?.....Anybody? You heard it first on Scooter Doc! It's for heat dissipation. The curved tube provides additional surface to radiate heat. If you didn't have this it would melt the rubber hose you tried to attach near the check valve:
The systems don't always look like the above, of course the Chinese have many different configurations. Here's one and you can see all the components are present just layed out differently. Thanks to Doug at Scooter Rebels, I snagged his image and added a few things:
Now some folks have said these systems are passive and nothing much happens in them......au contraire foolish Earthling! Behold and attend!
 Check valve boo boo  PAIR canister vaporized....nice....   Intake tube bocked...cul.
So here's the bottom line, the Chinese put these things on to appease the EPA. IMO they don't do much, junk up your engine compartment, and are potential leak spots in the vac system. You only have a couple things to do to remove them as Alley pointed out:
Block the head and vac line, throw the rest out!
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Scooter Doc
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Post by mike6736 on Mar 31, 2013 9:32:39 GMT -6
All that stuff just CONFUSSED me Rich!!!! If I can not fix it with a rubber mallet I just send in off to Rabbit with a case of carrot juice.....
Magoo
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Post by Bashan on Mar 31, 2013 10:21:54 GMT -6
ok rich, sorry.alley, its alright, now i understand.
I like you guys and I try not to censor and edit but you force me to. Hey Earthie, sorry about the edit on your gif but I want to keep the non-relevant posts small, short, and as few a spossible. OK, now what do you think of the sharks? Cul ....huh?
In an attempt to avoid making this post a hijack here's some more tech:
 Another PAIR configuration!  Burned up check valve  Vapor canister and PAIR on one of the worst pics I ever took.   Maybe you were thinking of an EGR Luke? Rarely on scooters.  Or possibly a gas tank vapor recovery system. Now these DO cause problems.
Well be good kiddies, just remember.....
[/img][/url][/center][/b] |
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Post by Alleyoop on Mar 31, 2013 10:46:27 GMT -6
Have to correct you RICH, those last couple of pictures is an EGR system. The EGR connects to the exhaust pipe to send UNBURNED fumes back to the motor. On those you will find there is a hose from the canister to the AIR BOX or TUBING of the AIR BOX to send the unburned fumes back to the motor for re-burning.
Alleyoop
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Clinician
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Post by learae on Mar 31, 2013 10:49:55 GMT -6
While on this topic, the other scooter I made a thread about has a vapor recovery system from the looks of the picture. I see the one line running to the check valve and up to the gas tank in your picture, but where do the other two lines go?
The top one was disconnected, the smaller one on the bottom goes to what must be a small plastic check valve and up to the gas tank. The large one connects to the air intake. Can I get rid of this system too?
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..BAD TO THE BONE..
? THIS IS REALLY EARTH MAN PRETENDING TO BE LUKE WHO IS REALLY TERRA NOVA ACTING AS ----STUMPY
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