Hi all. I ve a little problem with the XTX. Its leaking a wee bit of coolant near the readiator. There's no obvious cracks in the expansion thingy or the radiator itself. The hoses are fine. Ive already replaced the radiator cap to no avail.

Its leaking a few drops every ride. More so when I hammer the bike (pressure related, Im sure). The drops accumulate at the bottom of the lowest hose where it enters the engine.

Is this a common fault on the XTX? Any suggestions as to what it might be? miniature crack invisible to the naked eye somewhere or something?

Anyone? Halp!

All the hose clamps tight? Hard to say without seeing it. One of the Trucks at work used to randomly loose coolant all looked fine but when you squeezed the lower hose it leaked like a sponge. Maybe your hoses are old? Check all joints and clamps physically with a spanner/screwdriver. Also check that the radiator cap is tightened all the way up to a sort of second click, as I lost a bit of coolant once cap wasn't screwed all the way round after checking the radiator level. Failing that perhaps a bike shop could pressure test the system for you?

How old are the hoses? I had some weeping despite looking in good nick. Also there was plenty of crud where the hose goes over the lip which I cleaned off when replacing the hoses.

Id say they re the original hoses. But there s only a trace of leaking coolant on the lowermost hose. and the leaking starts above where the hose connects to the radiator it seems. Just to be save Ive cut off a bit of the top of the hose and refitted it. The leaking is still there.

exactly what I had with mine. didn't look like enough to be the culprit, but swapped them out and cured it no problem, going to a dealer actually worked out cheaper than any other options I found online.

So the hoses were the culprit when yours was leaking coolant? Interesting. Maybe I should just mount a new hose, see if that solves the problem.

Check under your water pump there's a small weep hole that if you water seal fails will slowly allow water to drain when the engines on and save it mixing with the oil. My teneres failed and also failed the rad cap as it over heated. Ended up replacing both rad cap and water pump water seal. All seems ok now.

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Plough on

I might be too hopeful now, but it seems to be (more or less) fixed. Mechanic took off the hose, cleaned the plugs where the hose connects to the rad and motor and tightened the radiator cap a bit more.

I can only see veeeery faint weeping still. So it's not completely fixed but I seem to be getting there.

Ok, spoke too soon. Its pissing again, ever so slightly.

Back to the shop tomorrow