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Spot the (naughty) Paint brush

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adz4321
Two Stroke Sniffer



Joined: 07 Oct 2008
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PostPosted: 18:15 - 22 Feb 2009    Post subject: Spot the (naughty) Paint brush Reply with quote
Had the bike a while now its an 04 xr125 with high millage and new(ish) engine (got it third hand)

Only while cleaning it i found a paint brush sticking out of a pipe from the top of the engine. I'm guessing its some kind of breather ? and that it should have a pipe there?(not a brush) ?

If some one could tell me what this pipe is called and where it goes so i can buy one it would be greatly appreciated.

BTW shes running fine (slow but sure)('Laughing') maybe the odd tiny little backfire but no louder than . . . ?

https://i273.photobucket.com/albums/jj239/adz4321/02012007096.jpg
https://i273.photobucket.com/albums/jj239/adz4321/02012007097.jpg
https://i273.photobucket.com/albums/jj239/adz4321/02012007098.jpg


Thanks
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adz4321
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PostPosted: 17:18 - 23 Feb 2009    Post subject: Reply with quote
Ok maybe you missed it . . . .

https://i273.photobucket.com/albums/jj239/adz4321/02012007097-1.jpg

ideas any one Please ? ?
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NSR Mick
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PostPosted: 17:29 - 23 Feb 2009    Post subject: Reply with quote
In my experience that doesnt look much like a breather, it looks more like a coolant pipe.

Although saying that I've never looked at an XR125.
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lonner
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PostPosted: 18:01 - 23 Feb 2009    Post subject: Reply with quote
hi m8


it appears to be the crankcase breather and would normally go to the air box.
this bike will probably run better with it connected as engine's need to breath and this may be restricting performance Thumbs Up


you could use a piece of rubber hose and make it fit to the air box if you are up for the job a the brush has got to go Laughing hth
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Finglonga
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PostPosted: 18:09 - 23 Feb 2009    Post subject: Reply with quote
zzr lon wrote:



it appears to be the crankcase breather and would normally go to the air box.
this bike will probably run better with it connected as engine's need to breath and this may be restricting performance Thumbs Up


Apart from it's coming from the head and not from the crank case.

Looks more like the tacho cable or decompresser (if once fitted) cable guide.
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Pete.
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PostPosted: 18:46 - 23 Feb 2009    Post subject: Reply with quote
Crank-case breathers can come off the rocker cover. Lots of bikes have it set up like that.
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chillpill
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PostPosted: 19:07 - 23 Feb 2009    Post subject: Reply with quote
maybe a cat was there ? removed it and blocked up the pipe where it was ?
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Finglonga
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PostPosted: 19:28 - 23 Feb 2009    Post subject: Reply with quote
Geri wrote:
Crank-case breathers can come off the rocker cover. Lots of bikes have it set up like that.


No, I mean on the XL, should (or used to be unless they have moved it) on the crank case behind the starter motor.

Also if the crank case breather was blocked by a brush the engine wouldn't be running right unless its venting somewhere else.
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Pete.
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PostPosted: 00:01 - 24 Feb 2009    Post subject: Reply with quote
chillpill wrote:
maybe a cat was there ? removed it and blocked up the pipe where it was ?


Yeah could have been a big ole ginger tom Very Happy
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lukamon
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PostPosted: 00:09 - 24 Feb 2009    Post subject: Reply with quote
xr 125's make the loudest backfire ive ever heard, incidentally Very Happy
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chris-red
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PostPosted: 01:41 - 24 Feb 2009    Post subject: Reply with quote
chillpill wrote:
maybe a cat was there ? removed it and blocked up the pipe where it was ?


On the top of the engine, nowhere near the exhaust pipe. You have no idea what you're talking about do you.
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adz4321
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PostPosted: 08:32 - 24 Feb 2009    Post subject: Reply with quote
Geri wrote:
chillpill wrote:
maybe a cat was there ? removed it and blocked up the pipe where it was ?


Yeah could have been a big ole ginger tom Very Happy


LOL
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adz4321
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PostPosted: 08:34 - 24 Feb 2009    Post subject: Reply with quote
zzr lon wrote:
hi m8


it appears to be the crankcase breather and would normally go to the air box.
this bike will probably run better with it connected as engine's need to breath and this may be restricting performance Thumbs Up


you could use a piece of rubber hose and make it fit to the air box if you are up for the job a the brush has got to go Laughing hth


OK Ive got a new air filter so will have a good butchers at the weekend to see if there's any where a pipe could connect to the air box, Thanks for your thoughts !
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jack_zxr400
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PostPosted: 08:59 - 24 Feb 2009    Post subject: Reply with quote
sorry but the paint brush in there just looks really funny Laughing

at least you can you it to clean your bike when you take it off xD
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hmmmnz
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PostPosted: 09:44 - 24 Feb 2009    Post subject: Reply with quote
this is from the xr125 manual i have.
sorry Italian
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Blue_SV650S
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PostPosted: 10:31 - 24 Feb 2009    Post subject: Reply with quote
What happens if you take it out!?!?!? Wink

It does look like a breather to me ...

Bearing in mind I am fairly sure its just a breather, if it were me, I'd take the brush out (funny as feck that!! Laughing) start the bike and see what happens ...

If it was a breather noting really should happen ... well except for some air-flow.

You then need to get a bit of pipe and either connect it to the airbox, or if that bit/nipple is broken off or summin, run it down to the ground where any oil vapour can be jettisoned without making the bike all yucky!! Thumbs Up
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chillpill
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PostPosted: 12:42 - 24 Feb 2009    Post subject: Reply with quote
chris-red wrote:
chillpill wrote:
maybe a cat was there ? removed it and blocked up the pipe where it was ?


On the top of the engine, nowhere near the exhaust pipe. You have no idea what you're talking about do you.


lol not really i didnt even see where its coming from, im a 2stroke man Wink

my logic was a pipe cut and blocked ? some sort of restrictor was there , i.e. cat . plus ive never seen a metal pipe as a breather tube
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ben350
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PostPosted: 12:46 - 24 Feb 2009    Post subject: Reply with quote
It looks like a breather tube which is routed through the airbox for emmisions purposes. Personally I'd just reconnect it to the airbox as a 125 4T aint gonna make any noticceable perormance gains anyways, though if you must block the hole its left in the airbox and fit a filter to the breather (engine) outlet Wink
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Blue_SV650S
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PostPosted: 13:47 - 24 Feb 2009    Post subject: Reply with quote
ben350 wrote:
...as a 125 4T aint gonna make any noticceable perormance gains anyways, ...


Just the opposite ... on a low powered bike, even small HP looses/gains are more likely to be noticeable!! Wink
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Finglonga
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PostPosted: 13:59 - 24 Feb 2009    Post subject: Reply with quote
hmmmnz wrote:
this is from the xr125 manual i have.
sorry Italian
https://www.bikechatforums.com/download.php?id=63522


Yep, that's how I remember it.

Still say it looks like something a cable would be going into. have you tried taking the chromecover on the head off to see what is beneath?
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Blue_SV650S
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PostPosted: 14:18 - 24 Feb 2009    Post subject: Reply with quote
That pic does show one/it on the crankcase, but it's not uncommon to have a breather at the top of an engine ... at the end of the day the camchain 'run' allows the airflow from the bottom to the cam/rocker cover area.

Looking at the OPs pics, the pipes size and its position, I'd bet a shiny Penny Coin that is all it is!! Thumbs Up
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