New answers tagged oil-leak
By far the most likely cause for this is, as you guessed, a head gasket leak, allowing oil to leak through to the cooling system. This often happens not long before complete failure of the head gasket and potentially major damage to the engine, so get it to a garage now for a new gasket, radiator flush, check on rad pump etc.
This is not a serious issue as long you keep from riding your bike in the same condition. Every bike has oil seals. Your friend is rite. To avoid leaking of the oil from the crank case, we have oil seals. Changing a set of oil seals wont cause you much. I don't have much details on how to get it done, but i know it requires a mechanic. Its a cheap and simple ...
Your engine may have been run on a cheap brand of oil which would have lacked a good detergent ability. A 'cheaper(?)' oil can cause gumming up of the engines oil ways, causing a very slow return to the engines sump. (You are measuring the oil level held in the sump when you dip the dipstick into the engine.) Look inside and to one one side of the oil filler ...
If you're losing oil, one of two things will be happening - either it's leaking or it's being burnt in the engine. If it was being burnt, you should be able to see and smell it in the exhaust - a blue-black smoke with an oily smell. However if you're losing that much I'd suspect an external leak. Have a look around and under the engine bay for any signs of ...
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