2003 Varadero 125 running bad when hot

[Glades]

So I've had this bike almost a year now but over the past few weeks its been developing an issue with spluttering after a few miles. I was serviced when I got it and I've been keeping up with maintenance. Just got it onto the stand to swap out some brake pads and noticed petrol dripping from the exhaust, a decent bit. I have no idea what it is, fuel/air should be right, idles at 1.5-2k at operating temp when its not having issues. Any advice or where I should start looking would be appreciated.

Its a 2003 Honda Varadero 125cc carbed Vtwin
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A̶l̶m̶o̶s̶t̶ On the road again

[Nobby the Bastard]

Petrol would not drip from the exhaust. Its probably water.
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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

[WD Forte]

It's old enough to have developed all manner of issues
so may need a wee bit of TLC to get it sorted

Moisture from the exhaust may just be condensation
or it may be a head gasket issue
I'd have a look in the header tank as it's running to see if there
are any signs like bubbles

I'd also check the plug colour
If they're sooty it may be running rich and start easy but get finicky as it warms up and so point to a carb problem

If it actually is petrol ( which we doubt) that's a serious failure of the fuel system and that much fuel in the cylinder would probably soak the plug and stop that cylinder running
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bikers smell of wee

[Glades]

[Glades]

[Nobby the Bastard]

[WD Forte]

I wouldn't mess about with mixture
you want the right stoichiometric value roughly 14:1
fiddling won't solve anything
You want to remove possible issues not add them

If one cylinder is flooding badly , I'd suspect something like a faulty float chamber valve not shutting off the flow
(maybe age hardened) or a float not err 'floating' properly.
At that age I'd hope to see an inline filter to keep crap out of the carbs.
Does it have a manual or auto choke?
check its function on both carbs either way.
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bikers smell of wee

[Zen Dog]

[Tdibs]

Does it drop to one cylinder after running for a while?

Replace HT lead/plug cap. Will explain dripping fuel out of exhaust but that is a extreme amount.

Also worth cleaning your plugs when fitting new leads - the bad lead cylinder will be rich as hell.

Other option is is a bad petcock/float - but this would likely be pooling fuel when the bike is off and making it very hard to start.

Video would help.
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Previous : 09 Vanvan 125| 02' Sv650s || Current: 1999 Xj600n | 1992 DR650 RSE | 2005 Fazer 1000

[Islander]

If you've got petrol coming out of your exhaust the I'd recommend checking that you haven't got any in your engine oil as well as the plug/lead/coil checks...

Also, this made I chuckle somewhat...

[WD Forte]

[Glades]

[Glades]

[Glades]

[jaffa90]

"""" Choke is manual but broke af, got it like that """"

It was serviced when i got it???

I`ve been keeping up with the maintenance ????

[Nobby the Bastard]

Can't see.how it would work fine when cold but gash when hot when petrol is pissing out of the exhaust.
____________________
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

[Glades]

[Glades]

[Nobby the Bastard]

Basically, there is no situation where it could work fine when cold,shit when hot and have so much fuel going into the exhaust that it runs out.
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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

[Kawasaki Jimbo]

Custard test.

[WD Forte]

Don't guess, test.

Plug/s examination for starters

Whip em out, examine, note/ photograph
Clean, refit, run until it goes wonky then repeat

This will give you an idea of the mixture
If one plug is sooty brown and dry
and on side is sooty black and wet ( or just wet)
it will at least give you pointers.
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bikers smell of wee

[Glades]

[Nobby the Bastard]

[jeffyjeff]

[Glades]