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iagtroop |
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iagtroop Derestricted Danger
Joined: 26 Jan 2017 Karma :
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Posted: 13:33 - 26 Mar 2017 Post subject: Carburetor question?? Help |
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Okay so i recently got a 1982 suzuki dr250. I have been battling what i believe is an air leak. It has a 34mm round slide mikuni. My question is this::: When i put a vacuum hose on the overflow valve coming out of the bottom of the carb and blow air into it the bike dies. Also if a plug the vacuum hose it will also decrease in idle until it dies. Could an air leak be coming from the overflow tube? I have been searching for a while trying to find this air leak so i am getting pretty desperate on what could be wrong with it. Anyways any help would help! This is her carby. Thanks alot
[img]https://i1378.photobucket.com/albums/ah109/iagtroop/SDC10669_zps4xght0il.jpg[/img] |
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Tankie |
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Tankie Crazy Courier
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Triton Thrasher |
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Triton Thrasher Could Be A Chat Bot
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Petemate |
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Petemate Trackday Trickster
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Hong Kong Phooey |
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Hong Kong Phooey World Chat Champion
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iagtroop |
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iagtroop Derestricted Danger
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Tankie |
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Tankie Crazy Courier
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jaffa90 |
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jaffa90 World Chat Champion
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Suntan Sid |
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Suntan Sid World Chat Champion
Joined: 07 May 2009 Karma :
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Posted: 11:16 - 27 Mar 2017 Post subject: Re: Carburetor question?? Help |
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If there was an air leak from the float bowl overflow then logic dictates there would be fuel leaking from the overflow.
https://i1378.photobucket.com/albums/ah109/iagtroop/SDC10669_zps4xght0il.jpg
The petrol tap in the photo looks as though it has a removable filter, have you cleaned it out?
Is the breather hole in the petrol tank free of crud, have you tried running it without the petrol cap? If it runs better without the petrol cap, then you need to unclog the breather. ____________________ "Everybody needs money, that's why they call it money!" |
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mudcow007 |
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mudcow007 World Chat Champion
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iagtroop |
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iagtroop Derestricted Danger
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jaffa90 |
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jaffa90 World Chat Champion
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- Super Spammer
Joined: 22 Oct 2013 Karma :
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Posted: 15:30 - 27 Mar 2017 Post subject: |
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If it is, then the carb didn't come from a 4T Suzuki DR250. ____________________ TZR250 2MA road, TZR250 1KT road, TZR250 2MA race, TDR250, YZF-750R Boost colours.
Jaguar S Type 3.0 V6 Sport R, VW Transporter T5 GP LWB Shuttle 140ps DSG. |
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mudcow007 |
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mudcow007 World Chat Champion
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Posted: 15:35 - 27 Mar 2017 Post subject: |
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My bad
They were 2 stroke earlier wern't they? |
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Oldie |
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Oldie Brolly Dolly
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iagtroop |
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iagtroop Derestricted Danger
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jaffa90 |
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jaffa90 World Chat Champion
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Suntan Sid |
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Suntan Sid World Chat Champion
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Posted: 19:26 - 27 Mar 2017 Post subject: |
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If the bike is running lean, (ie you have an air leak), then the revs will drop slowly back to idle speed, compared to normal! ____________________ "Everybody needs money, that's why they call it money!" |
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iagtroop |
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iagtroop Derestricted Danger
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redeem ouzzer |
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redeem ouzzer World Chat Champion
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Robby |
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Robby Dirty Old Man
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iagtroop |
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iagtroop Derestricted Danger
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iagtroop |
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iagtroop Derestricted Danger
Joined: 26 Jan 2017 Karma :
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Posted: 02:08 - 29 Mar 2017 Post subject: |
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okay mates. here is the plug. I ran her hard up a slight hill and cut the engine off at probably 5,000 rpm. It looks pretty good to me. Maybe a little rich???????? Im confused. oh yeah and it started 2nd kick after not being started in a couple weeks and it also idled great until it got a little warm
[img]https://i1378.photobucket.com/albums/ah109/iagtroop/SDC10679_zps1rpycasp.jpg [/img] |
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Oldie |
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Oldie Brolly Dolly
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Hong Kong Phooey |
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Hong Kong Phooey World Chat Champion
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Old Thread Alert!
The last post was made 7 years, 30 days ago. Instead of replying here, would creating a new thread be more useful? |
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