Bike seems to leak coolant from kickstand ??
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Have you checked the thermostat?
Is the coolant in the radiator staying at the same level, or are you constantly topping it up?
The only reason for the expansion tank to be full and overflowing is if the head gasket has blown and is pressuring the coolant system, which results in loss of coolant through the expansion tank.P.S. yes the expansion tank is connected to that part of the frame by a small rubber tube. it lives up behind the side panel above the rear wheel. there's a min & max level about halfway up the tank. Check it out to see if it's full to the top...
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@SpookDog would this not contaminate the coolant as I have never seen anything in the coolant and always drains perfectly clear
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Head’s still leaking bud. It’s probably best to replace the base/barrel gasket as well.
Myself, I remove the studs from the barrel an lap the top in with a square of plate glass and some 240-ish wet and dry sand paper. Then do the same with the cylinder head. Just to remove the crap.
Doing up the head nuts really needs a little 1/4 in drive torque wrench to get it right. I do it in three stages…I know that it’s no consolation but I’ve just had to put a newly rebored barrel and head on and had to go through all the fuxin hassle of it myself 🫤 …
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I replaced the head gasket and got the head machined flat and that was all good … for about 500 miles . Now it’s started doing it again but this time the temps arnt shooting up
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Yep right way up and Athena from PJME.co.uk
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Yeah it's a nightmare trying to get the torque wrench in, can help to drop the front engine mount bolt gives you a bit of wiggle room.
Just go over the bolts and make sure none of them have rattled loose again.
Often these things come from a very simple place. So just double/triple check all coolant hoses/unions etc.
