Need help with major leak

[Kenglen28]

Hi all I have bought a skyjet 125-23 and I’ve got a major leak (looks like oil) from a part I have no idea about any info will be much appreciated
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Kenneth Glendenning

[Ant132]

Take a pic and upload?

Edit: sorry, didn’t see pic. What area of the bike is that?
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1980 Suzuki TS50 ~ 1984 Honda CB400N ~ 1992 Triumph Trident ~ 1998 Suzuki Bandit 1200

[Kenglen28]

[Nobby the Bastard]

Why has someone fitted what looks like 1950s plumbing to your bike?

Seems to have teflon tape there and really doesn't look standard but I dont know the bike. The only thing I can think of is a fuel pipe but it's not really the sort of pipe and fittings i would expect.

https://www.bikechatforums.com/download.php?id=104038
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trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050

[Robby]

One picture zoomed right in one a thing that doesn't look like it should be on a bike. Another picture not showing the part. So no idea of context, what this thing is connected to.

Maybe it's on the rear brake line? It looks like a bad thing to use there if so.

[Fisty]

so, thats a load of air line fittings.

The brass thing is a silencer. None of that belongs on a bike..
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Quietly and consistently taking the piss.
TL1000R | Hayabusa | ZXR400 | TL1000S | Bandit 400 V
Fatter and faster than Fret

[Kenglen28]

[Nobby the Bastard]

That looks like a.breather. you've over filled the oil.

(Also ties in nicely with fistys identification of the type.)

https://www.bikechatforums.com/download.php?id=104041
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trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050

[Kenglen28]

[Tdibs]

I cant even see it in your other pictures? Follow the lines of where it is leaking and see where it goes to, then take a picture of of that.
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Previous : 09 Vanvan 125| 02' Sv650s || Current: 1999 Xj600n | 1992 DR650 RSE | 2005 Fazer 1000

[Kenglen28]

[Kenglen28]

[Nobby the Bastard]

That is a bodge. That is where your leak is. That tin foil and cable ties definately shoukdnt be there.



https://www.bikechatforums.com/download.php?id=104046
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trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050

[Kenglen28]

[Kenglen28]

[kgm]

Photos of where that thing connects to?

[stinkwheel]

As above, that fitting is an iron pneumatic fitting with a sintered bronze silencer and has no place on a motorcycle or running with oil in it (unless you are me and doing radical alterations to the standard breather system ). It did not come fitted to the bike from the factory.

It looks very like it's connected to a crankcase breather assembly so I would ordinarily suggest you have overfilled it with oil.

Another possible issue is if the outflow for the breather is blocked. They usually vent into the airbox.

What makes me worry you haven't is the presence of said fitting. Someone else has clearly had enough of an issue with this to have fitted that in an attempt to fix it which makes me concerned there is excess crankcase pressure. Could be caused by broken/worn/misaligned piston rings or maybe a head gasket blowing into an oilway. Possibly a damaged valve in the breather but they are usually passive on this kind of bike.

I hope your engine oil isn't the same colour as the stuff coming out of that silencer? If it is, your motorbike is sick.
https://www.bikechatforums.com/download.php?id=104049
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“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.

[Kenglen28]

[stinkwheel]

[steve the grease]

That golden thing is a type of filter element , that is why oil is pouring out of it. I don't know what this type of filter is called but the element looks like this : https://favpng.com/png_view/motorcycle-fuel-filter-gasoline-motorcycle-png/wx6uL3S8 Look at the construction of the filter itself, lots of little brass balls sintered together.
Why anyone should put such an item as one branch of a tee , is completely beyond me.
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All the above is my personal opinion, you can see my lips move, but I'm talking out of my arse.
I've been riding, and fixing , bikes for 50 years, in that time the more I learn, the less I am absolutely sure of.....

[Kenglen28]

[stinkwheel]

[Kris]

If only you'd searched here first...

https://www.bikechatforums.com/viewtopic.php?t=280424
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www.prisonplanet.com

[MCN]

It isn't strictly 1950s plumbing.
It was used in the 1950s but The Muricans and The Ching-Chong still use those type of fittings for plumbing. Its a malleable steel 1/4" NPT Tee with 1/4" Nipples and PTFE thread tape with a Sintered Bronze 1/4" NPT Breather.

Should not be there.

The Silver Paper 'Lagging' shouldn't be there either.
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Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN.