I HAVE A KTM 450 EXE 2004 MODEL AND I HAD TO REPLACE MY HEAD GASKET ANWATER PUMP SEALS AND NOW IVE GOT THE TINYEST DRIP OF COOLANT DRIPPING DOWN BEHIND THE FLY WHEEL WHAT COULD BE CAUSING THIS ?

the answer you gave me is compeletely wrong as i put new head gasket and water pump seals and o rings and replaced all the gaskets and have coolant dripping down behind the fly wheel what can be causing this and where is the coolant dripping from the answer you gave me is compeletely wrong as i put new head gasket and water pump seals and o rings and replaced all the gaskets and have coolant dripping down behind the fly wheel what can be causing this and where is the coolant dripping from

Ok… let’s look at what you’ve told me. You did not mention the water pump in your first question, and there was no reason for me to ask you. I can only give answers that you provide complete information on.

That being said, the simple fact of mechanics is if you have a coolant leak, there is something wrong with the surface prep you did when you disassembled and reassembled the parts that are involved with the water jacket and the surfaces between the engine case, lower end of the cylinder and the top of the cylinder and the cylinder head – the only places where the water jacket is not sealed. If you are seeing coolant, there is a problem with the mating surfaces and gaskets between parts. This is why you have to scrape the old material off and most advise cleaning the surfaces with solvent to dissolve and remove gasket sealing compound residue. Then you must re torque all the bolts in a manner which puts the pressure evenly around the perimeter of the parts – there is a pattern by which you must do this or you risk warping parts and causing leaks.

I can’t redo this job for you, but you must or the leak will persist and get worse. If your bolts are not evenly torqued you can also crack parts and when those parts include crankcase, cylinder and cylinder heads you are going to be spending a lot of money.

So before you criticize the advice I have given you, try doing the work and see if it does not clear up the problem before you declare my information no help. After all, if you were an expert you wouldn’t be asking for my help. I’ve owned and worked on motorcycles since 1967 and I think I understand this subject well enough to help you. It looks like to me you just read what I said and did nothing more. If you don’t do the work I can’t be responsible for your results. Ok… let’s look at what you’ve told me. You did not mention the water pump in your first question, and there was no reason for me to ask you. I can only give answers that you provide complete information on. That being said, the simple fact of mechanics is if you have a coolant leak, there is something wrong with the surface prep you did when you disassembled and reassembled the parts that are involved with the water jacket and the surfaces between the engine case, lower end of the cylinder and the top of the cylinder and the cylinder head – the only places where the water jacket is not sealed. If you are seeing coolant, there is a problem with the mating surfaces and gaskets between parts. This is why you have to scrape the old material off and most advise cleaning the surfaces with solvent to dissolve and remove gasket sealing compound residue. Then you must re torque all the bolts in a manner which puts the pressure evenly around the perimeter of the parts – there is a pattern by which you must do this or you risk warping parts and causing leaks. I can’t redo this job for you, but you must or the leak will persist and get worse. If your bolts are not evenly torqued you can also crack parts and when those parts include crankcase, cylinder and cylinder heads you are going to be spending a lot of money. So before you criticize the advice I have given you, try doing the work and see if it does not clear up the problem before you declare my information no help. After all, if you were an expert you wouldn’t be asking for my help. I’ve owned and worked on motorcycles since 1967 and I think I understand this subject well enough to help you. It looks like to me you just read what I said and did nothing more. If you don’t do the work I can’t be responsible for your results.