odd thick black oil leaking from left hand side

[i_am_tim]

hoping you guys can help, i have been having a few drops of this really thick black oil driping out of the left hand side of my bike (rs125) every night recently, any idea what it couold be? i dont know what oil it could be from, i didnt think it was 2stroke oil though because its so thick and and pitch black

any idea as to what it is and how to stop it? thanks for any help!
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previous bike: 2000 Aprilia rs 125 - SOLD

current bike: 2001 Yamaha R6 - sweeeeet

[finpos]

Could be good old fashioned crap dribbling off your chain.

finpos.

[i_am_tim]

nah, its coming from under the fairings
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previous bike: 2000 Aprilia rs 125 - SOLD

current bike: 2001 Yamaha R6 - sweeeeet

[Walloper]

It's thick black Ooze.
It means the fairing needs to come off.
No luck.
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W-ireless A-rtificial L-ifeform L-imited to O-bservation P-eacekeeping and E-fficient R-epair

[cestrian]

Thick and pitch black sounds like oil which is full of carbon. I guess you'll be checking your exhaust first. (I am assuming that the bike is well maintained)

Gordon

[i_am_tim]

okay, iv taken the fairings off and their was oil all over the front of the transmission casing, so iv cleaned it with a pressure washed and cloth to try and see where its coming from, looks like its leaking out of the casing, see below

https://img.photobucket.com/albums/v626/i_am_tim/IMG_0628.jpg

does this mean the seals need replacing? or is there something less drastic that can be done? im starting to worry about seizing gears now.....
____________________
previous bike: 2000 Aprilia rs 125 - SOLD

current bike: 2001 Yamaha R6 - sweeeeet

[Walloper]

Get some gunk into that and get it 'clean'.
Check fluid levels.
Run it till it's warm and dry.

Look around the engine with a good light source.
Try spraying the joints with a Dry Deodorant spray to show up wet patches.

But you will need to take time to clean it. Properly....
We have rules about dirty Kit on this forum Laddie.

Has the engine been 'cooked'?
____________________
W-ireless A-rtificial L-ifeform L-imited to O-bservation P-eacekeeping and E-fficient R-epair

[i_am_tim]

yeah thats a before pic.....

its not exactly sparkling now, but its better than that

nah its hasnt been used more than before, i always let it warm up properly before using it, i mean a few drops of oil wouldnt worry me if it wasnt the fact that the gears could seize
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previous bike: 2000 Aprilia rs 125 - SOLD

current bike: 2001 Yamaha R6 - sweeeeet

[THCi]

Jet washing over a gasket can never be good. Might have caused the problem in the first place.
____________________
Past: GZ 125 K4 Marauder, VL 125 LC Intruder, FZS 600 Fazer. Present: GSF 600 N K3 Bandit, GSX-R 600 X(soon)
"We're not gonna die. We can't die, Bendis. You know why? Because we are so...very...pretty. We are just too pretty for God to let us die."

[i_am_tim]

i only just did it after i noticed the problem

anyone know a decent supplier for gaskets?
____________________
previous bike: 2000 Aprilia rs 125 - SOLD

current bike: 2001 Yamaha R6 - sweeeeet

[Paddy Blake]

Is there a power valve type thing on the front of the cylinder at the
exhaust port that might have a blown seal.

[i_am_tim]

yeah it had a power valve, no idea on the blown seal, i'll take it out tomorrow and have a look, thanks for the input guys!
____________________
previous bike: 2000 Aprilia rs 125 - SOLD

current bike: 2001 Yamaha R6 - sweeeeet

[Walloper]

[ddracer]

Hi there,

That is gunk leaking from the power valve assembly. Inside the valve housing the is a valve stem seal as the valve and seal wear it starts to leak, just change it and all will be ok. It's also worth cleaning the valve blade as this will improve engine response.

DD

[quik_d]