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This weekend I went for a ride and after 200 Km I saw the upper breather hose full of water (maybe 10 ml), the breather hose in the bottom was clean. The water was quite clear, clean!! I opened the hose and let the water out, I made another 200 Km and no additional water appeared. Why only in the upper hose? In the mornings sometimes after a short ride (5 minutes) I have seen in the oil window a milky substance I believe it´s just condensation from the foggy cold weather. I washed my bike with a karcher from a good distance including the inside of the rear wheel arch, just after the oil change... This evening I am going to change the oil which only is 500 Km old just to see how it looks... I believe the bottom hose comes from the air filter box, but I don´t know where the upper hose comes from. Then, did it come from washing the bike with the karcher, from condensation of the cranck case due to the foggy weather or somehow 10 ml of water came in from somewhere?
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The upper hose, the right angled one behind the cylinder block, is the drain for the front of the air filter housing. It collects moisture and other stuff from there. Funnily enough I cleaned mine only yesterday, getting about 20ml of reddish liquid from it. That's normal and draining it is part of the routine servicing. The note in the Service Manual says clean every minor service, or more often in rain or dusty conditions. The Karcher may have contributed by forcing water into the air cleaner housing. Pressure cleaners should be used with care, around seals particularly. The air cleaner rear drain sits under the bike along side the fuel overflow drain, adjacent to the side stand mount.
Cheers
I would say my bike sees its share of dust and rain. I really haven't found too much stuff in the rear drain tube. Only the front.
Condensation in humid (in any temperature) conditions is normal. When the engine warms up the moisture is mostly expelled. Prolonged idling when cold or short distance riding does not allow this moisture to evaporate and be expelled. This causes oil dilution and lubricating qualities to degrade. Long runs with a hot engine avoids this. Should be born in mind for oil change intervals.
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(04-10-2016, 06:41 PM)Pterodactyl_imp Wrote: The upper hose, the right angled one behind the cylinder block, is the drain for the front of the air filter housing. It collects moisture and other stuff from there. Funnily enough I cleaned mine only yesterday, getting about 20ml of reddish liquid from it. That's normal and draining it is part of the routine servicing. The note in the Service Manual says clean every minor service, or more often in rain or dusty conditions. The Karcher may have contributed by forcing water into the air cleaner housing. Pressure cleaners should be used with care, around seals particularly. The air cleaner rear drain sits under the bike along side the fuel overflow drain, adjacent to the side stand mount.
Cheers
I would say my bike sees its share of dust and rain. I really haven't found too much stuff in the rear drain tube. Only the front.
Condensation in humid (in any temperature) conditions is normal. When the engine warms up the moisture is mostly expelled. Prolonged idling when cold or short distance riding does not allow this moisture to evaporate and be expelled. This causes oil dilution and lubricating qualities to degrade. Long runs with a hot engine avoids this. Should be born in mind for oil change intervals.
Thanks.
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Sorry mate, using my iPhone so did some editing while you were posting.
Cheers
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I removed some oil (5 centiliters or so) from the bottom of the engine which is where water and cuss should lay and it was perfect. The water didn't appear again. Now everytime i take a ride with the bike I just make shure that the engine and oil are hot enough to evaporate the humidity or water that can be in the cranckcase
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Pleased you've sorted that. Let's have some photos from Finland.
Cheers