To all having sleepless night over the indicated place inside the ZMA air filter box.....IT IS NORMAL TO SEE OIL THERE.
The tube that had been indicated is the crankcase breather(ventilation) tube ...it relieves the pressure in crank case,called BLOW BY, built up every time combustion takes place in the engine...The crank case also breathes through this tube ,so it is connected to the air filter box AFTER the air is filtered , to ensure clean air is available to crank case.When the engine is running one can feel both vacuum and pressure...Oil at this place cane be wiped dry once in 3 to 5 K Kilometer...the oil accumulation will be directly proportional to the driving habits and the age of the engine.
Faster ,and higher the RPM, or older the engine..more oil can be seen.


. This is the only reason i didnt like the exhaust sound i'm getting on my ZMA. 

Please help me out guys ,.. how will i get back the charming sound of karizma back,What can cause the sound to change? What should i do to fix it?

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