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Post by tapap on Nov 2, 2009 17:49:51 GMT -5
When i was taking off my air filter cover to check my filter there is oil in the box. i mean a puddle of it. actually there is air coming in from the small hole below the thing i circled. what would make oil come from there? if it is a vacuum hose i was wanting to install a uni filter, what would i do with those vacuum lines? what would i do to stop this oil from going into my air filter box or is this normal? there is oil almost everywhere inside my of my covering. im guessing its leaking from the third smaller hole on to the motor please help  |
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Post by harrywr2 on Nov 2, 2009 18:00:58 GMT -5
That's correct.
The hose is a crank case vent hose.
Oil mists up thru the hose into the air box. If the hose is not kinked most of it condenses and ends up going back into the crankcase. Some of it gets burned.
You should have a drain hose that comes off off your airbox. It's fairly normal to collect maybe a thimble full of oil in that every few hundred miles. It needs to get drained at oil change time.
If you overfill your oil...or if the hose is kinked...a LOT of oil will end up in your airbox.
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Post by tapap on Nov 2, 2009 18:31:32 GMT -5
can i do something to prevent from going everywhere like in the picture on the left?
also what do you do if you install a uni filter?
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Post by harrywr2 on Nov 2, 2009 18:39:52 GMT -5
can i do something to prevent from going everywhere like in the picture on the left? Assuming your hose isn't kinked and you didn't overfill the oil...no. But you have quite a bit of oil there...some is normal. As far as what to do when you install a unifilter...I'm sure someone else will list their catch can solution. |
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Post by tapap on Nov 2, 2009 18:58:17 GMT -5
i have 1k mile on it and i never knew to check that for oil. could i just be a build up from over time and its over flowing?
so if i check it every 2-3 hundred miles is shouldnt build up like that right?
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Post by tapap on Nov 2, 2009 22:44:35 GMT -5
can i just disconnect the two hoses going into the air box and install a catch can/bottle on the end of one hose and clamp off the other?
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Post by harrywr2 on Nov 2, 2009 23:28:23 GMT -5
can i just disconnect the two hoses going into the air box and install a catch can/bottle on the end of one hose and clamp off the other? One of the hoses going into your air box is probably the evaporative emissions vent. This burns the gas that evaporates from your gas tank. An oil catch can can be connected to you crank case vent any time. You'll want to plug the hole in the air box. |
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Post by alien3t on Nov 3, 2009 2:57:10 GMT -5
Honestly last itme i checked and ther ewas oil in my air filter box. I cleaned it up. changed oil in bike. And befor next oil change My piston rings failed. sucked all the oil out of motor. and i ended up running the motor dry. Needed a new motor.
New motor. Havent seen the same amoutn of oil in it. Just a small drop here and there.
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Post by pnelson on Apr 1, 2011 15:47:22 GMT -5
Thanks guys. I love my very cheap scooter. I have enjoyed becoming a "do-it-your-selfer" at 53,with this 150cc project. Off to deal with the oil. What was your outcome with the scooter?
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Post by edfr on Apr 1, 2011 15:51:57 GMT -5
I would take the Valve Vent hose off the air box plug up the hole in the air box and Put a Fuel filter on the end of the Valve Vent Hose and Tie it UP HIGH so when it squirts oil out it drains back into the Valve cover.
If the oil in the air box gets on your AIR Filter it will cause you to run RICH.
Lefty
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Post by rockynv on Apr 2, 2011 5:50:26 GMT -5
Remember if your valves need adjustment a lot of oil can be sent through the vent line. The collection tube under normal circumstances needs to be drained at every oil change.
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