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-   -   250cc won't idle (http://www.scootdawg.net/showthread.php?t=56090)

joshuah459 10-26-2018 11:55 AM

250cc won't idle
 
My roketa 250cc scooter won't idle. If you keep it above idle speed it seems to do fine. Any suggestions on where to start with this? It doesn't look like my car. Has a adjustment screw of any kind.. are there any vacuum diagrams around?

kz1000st 10-26-2018 08:37 PM

Check for a cracked intake manifold or vacuum line.

joshuah459 10-27-2018 01:14 AM

Ive done that. It seems that some of the egr system is missing. the charcoal canister is gone, but there's a bunch of hoses heading to where it should be. Do these carbs have any adjustment settings besides the throttle cable screw? Is there a way to bypass the EGR safely?

casey360360 11-15-2018 02:54 PM

Charcoal can and EGR on a carbureted scooter? That doesn't make a lick of sense. Take some pictures of what you're looking at, I'll do some more digging into finding a diagram for you.
Quote:

Originally Posted by joshuah459 (Post 537231)
Ive done that. It seems that some of the egr system is missing. the charcoal canister is gone, but there's a bunch of hoses heading to where it should be. Do these carbs have any adjustment settings besides the throttle cable screw? Is there a way to bypass the EGR safely?

Sent from my LGL158VL using Tapatalk

casey360360 11-15-2018 02:57 PM

Quote:

Originally Posted by casey360360 (Post 537257)
Charcoal can and EGR on a carbureted scooter? That doesn't make a lick of sense. Take some pictures of what you're looking at, I'll do some more digging into finding a diagram for you.

Sent from my LGL158VL using Tapatalk

After one more page of digging, your bike uses a Linhai VOG260, so it doesn't have EGR or a charcoal canister from the factory. There should be a PCV nipple on the head that routes to the air cleaner, I'm assuming that's what you're referring to?

Sent from my LGL158VL using Tapatalk

Gene563 11-21-2018 08:09 AM

There's probably an air/fuel mixture screw that's blocked off. When I did my PDI on my 150, I open the cover on mine. I always had to run mine on the rich side to keep it idling.
Perhaps there might be a Youtube video on the subject.?.


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