Pipe broken

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Chris88
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Pipe broken

Post by Chris88 »

Hi all I just bought this bike all seems to work fine but as I begun to clean here and there came across to this pipe witch sucks air. As I seem on other engines this pipe its suppose to come out of the top end of the block as I show on the 1st picture... My question is. Should I be bother to fixe it or not? And what is that for?
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Jug
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Re: Pipe broken

Post by Jug »

Nope, it's just for either a secondary air valve or PAIR valve. Both just emissions stuff which can cause running issues. The previous owner has removed it so as long as it's all sealed off properly it'll be fine.
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Chris88
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Re: Pipe broken

Post by Chris88 »

Yeah on the block it's well sealed. But on the pipe when I put my finger on it it sucks a bit and Idle goes down slightly... Just wonder as my Idle seems too high or I'm getting paranoid... Its at 2k 1/2 when start cold it's at 3k

Thanks in advance
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ptolemyx
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Re: Pipe broken

Post by ptolemyx »

And for those of us who aren't clairvoyant the bike model is?????
old and disgraceful so doing what I can while I can before I can't
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billinom8s
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Re: Pipe broken

Post by billinom8s »

I'd say it should be about 1200 rpm.
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Jug
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Re: Pipe broken

Post by Jug »

Both ends should be blocked.

Right now it's allowing unfiltered air to be drawn back into the inlet.
If you're not bothered how it looks I'd chop the end bit off that hose (with the rusted bit in), push a bolt in it to close the hose, and tighten the hose clamp on to the bolt to ensure it's sealed.

You could also so a proper job and remove the whole box that is above the hose, and then cap off the hose that will lead back to the airbox instead, and also the small one that will go likely be going to the inlet.
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Chris88
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Re: Pipe broken

Post by Chris88 »

ptolemyx wrote: Jun 29th, '19, 14:08 And for those of us who aren't clairvoyant the bike model is?????
Lexmoto venom 125 carb version
Sorry
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Chris88
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Re: Pipe broken

Post by Chris88 »

Jug_Inspector wrote: Jun 29th, '19, 16:52 Both ends should be blocked.

Right now it's allowing unfiltered air to be drawn back into the the inlet.
If you're not bothered how it looks I'd chop the end bit off that hose (the the rusted bit in), push a bolt in it to close the hose, and tighten the hose clamp on to the bolt to ensure it's sealed.

You could also so a proper job and remove the whole box that is above the hose, and then cap off the hose that will lead back to the airbox instead, and also the small one that will go likely be going to the inlet.
Will do tomorrow. Thanks for the help.
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Chris88
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Re: Pipe broken

Post by Chris88 »

billinom8s wrote: Jun 29th, '19, 16:10 I'd say it should be about 1200 rpm.
That's what I though but no....
it seats at 2k
and on cold start at 3k...
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billinom8s
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Re: Pipe broken

Post by billinom8s »

Wow.

Making the trip into exeter tomorrow for the motogp?
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Chris88
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Re: Pipe broken

Post by Chris88 »

billinom8s wrote: Jun 29th, '19, 17:43 Wow.

Making the trip into exeter tomorrow for the motogp?
What time is it and where? I have my kids in the morning I might do if its in the afternoon
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billinom8s
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Re: Pipe broken

Post by billinom8s »

The main Race starts at 1pm.

viewtopic.php?f=95&t=99622
07977507395
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don't forget we are onX and Instagrambelieve it or not !!!
southwestbikers@southwestbikers (original, I know.)
KTM 990 superduke R,
Zx10r trackbike, ktm 350 excf muddy
Suspension and bike work undertaken.
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