Question about 2004 ATK 500 Intimidator

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Oil leaking I have an 500 intirmidator and it's dropping a small amount of oil from the crank case oil breather hose after a ride

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Any tips on stopping this or why it's occurring??Two questions 1.) How full is your crankcase with oil? In the middle of the window? Higher? Remember look when the bike is upright 2.) Do you spend much time at high RPMs?,

Posted on Nov 10, 2008

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2006 suzuki vinson 500 5speed oil in breather box


A small amount is ok. You have a crankcase breather hose that vents into air box. Large amounts are BAD. Check engine oil level.

Oct 19, 2014 | Motorcycles

1 Answer

Way to much oil coming out air cleaner


Oil coming out of the breather is natural and normal, with basically no way to stop it. There is about 1/2 qt of oil in the bottom end of an engine, as the pistons travel downwards, the air that is under them is being pressurized and is vented out of the engine by a rotary breather valve in the case. The air picks up a small amount of oil from the bottom end as it leaves, then the air/oil mist is vented either into the air cleaner (EPA Regulations) or best if vented to the atmosphere. NOTE: WORN RINGS ALLOWINGS EXCESSIVE COMBUSTION PRESSURE BLOW-BY WILL MAKE THIS SITUATION EVEN WORSE. When it\'s vented into the air cleaner, some if it recirculates into the engine and out the exhaust, the rest saturates the air filter and then eventually gets blown all over the side of the bike. The best way to vent it, is to route a hose from the breather system down to the frame between the engine and trans, run it under the bike on the right side, point the hose down to the GROUND and zip tie it in place.



To stop the leaking breather BOLTS...remove them, and use brake cleaner to completely remove all oil from them, the washers, brackets and threads in the head. Use liquid teflon thread sealant on the bolt threads, and a light film of black rtv on the faces of all the washers and brackets, install everything, let sit for 24 hours, then ride.......if done properly and rtv is CURED, it won\'t leak.

Also note that most HD\'s with the oil tank mounted under the seat and are left sitting for a couple months will PUKE oil from the breather, this is due to the gravity....the oil will slowly seep through the oil pump and collect in the bottom of the crankcase and get blown out the breather when the bike is started.



Also:

The HD engine design is a dry sump engine, but there is always a small amount of oil in the bottom end....THIS IS WHERE THE OIL MIST COMES FROM......it is "possible" for too much oil to give your symptoms, if you have too much oil in it, the oil tank is vented back into the cam compartment, causing excessive oil build up in the bottom end, if this were the case, the oil would be PUKING from the breather, because the oil pump does not have the ability to scavenge that much oil back to the tank that quickly, which in this event, the tank doesn\'t have the room to store any way.

But even so, this is an all too common question and the symptoms are seen on almost every HD on the road.....could it be possible that EVERY HD has too much oil??? In my answer, I tried to explain WHY this happens.....even with or without too much oil.....this will still happen.

Jul 12, 2014 | 2003 Harley Davidson XLH Sportster 883...

1 Answer

Positive cranke case breather pipe leaking oil smoke when running


Check oil level and or change oil if necessary.

Oct 06, 2012 | Ural Motorcycles

3 Answers

Revtech 110 blowing oil out the air filter, I sent my bike in for its first service (1000 Miles) and since the service the motor keeps spewing oil out the air filter... oil level reduced as i thought...


Oil coming out of the breather is normal on these engines by the way of design, with basically no way to stop it. There is about 1/2 qt of oil in the bottom end of an engine, as the pistons travel downwards, the air that is under them is being pressurized and is vented out of the engine by a rotary breather valve in the case. The air picks up a small amount of oil from the bottom end as it leaves, then the air/oil mist is vented either into the air cleaner (EPA Regulations) or best if vented to the atmosphere. When it's vented into the air cleaner, some if it recirculates into the engine and out the exhaust, the rest saturates the air filter and then eventually gets blown all over the side of the bike. The best way to vent it, is to route a hose from the breather system down to the frame between the engine and trans, run it under the bike on the right side, point the hose down to the ground and zip tie it in place...Be sure to point the end of the hose down & away from the tire.
If your breather bolts start to leak oil...remove them, and use brake cleaner to completely remove all oil from them, the washers, brackets and threads in the head. Use liquid teflon thread sealant on the bolt threads, and a light film of black rtv on the faces of all the washers and brackets, install everything, let sit for 24 hours, then ride.......if done properly and rtv is CURED, it won't leak...
Also note that most HD's with the oil tank mounted under the seat and are left sitting for a couple months will PUKE oil from the breather, this is due to the gravity....the oil will slowly seep through the oil pump and collect in the bottom of the crankcase and get blown out the breather when the bike is started ...

Good luck...i hope this helps

Dec 13, 2010 | Harley Davidson XL Sportster 883...

1 Answer

Why is my motorcycle leaking oil from the overflow tube? I let some oil out to be sure there wasn't too much oil, but it is still leaking. It leaks when it is off on its kick stand and it leaks when I...


You have a crankcase breather hose that may be blocked, allowing excessive oil pressure to push oil out. It should be routed to the airbox. This may also be the overflow hose you are speaking about. Your oil type may not be suited to a motorcycle engine, automotive oils are NOT suitable for bike engines for many reasons, notably shared gearbox and engine oil and a wet clutch. Check function of the oil pressure switch as this should send a signal of loss or excessive oil pressure. Check your manual for correct weight and quantity and type of oil filter needed. The oil level is indicated on the stem of the oil filler cap.
Cheers.

May 10, 2010 | 2004 Suzuki GS 500 F

2 Answers

My oil is grey in my 2003 blaster also I need to know how to put the ckutch plates in it


Mate.I am not sure what a blaster is and it says your bike is a yz125.If you have grey oil in the motor,thats is a very good indicator that something is wearing away the aluminium casings.Quite often a collapsed bearing allowing something to rub or a seized and spun bearing.Before you put the clutch plates back in,I would seriously think about investigating this further.It may take some time but it might save you some big bucks.Hope this helps

Mar 21, 2010 | 2003 Yamaha YZ 125

2 Answers

Oil leak out of a breather hose


a small amount of oil from the crankcase vent hose under hard acceleration is most likely normal.American bikes don't leak oil,they mark their spot!

Sep 28, 2009 | 2004 Triumph America

1 Answer

What causes big oil leaks on the ground from a 2003 triumph speedmaster. I go for a ride and then park the bike, later there is a pool of oil on the ground. It seems to be coming from one of the overflow...


yh thats the breather pipe they mostly leak because there is too much oil in the crank case or compression is passing the rings are causing pressure on the oil so it gets forced out the breather

Aug 26, 2009 | 2003 Triumph Speedmaster

1 Answer

Oil leaking from under the seat of my Kawasaki klr250


not sure if this will help, but the crank case has a breather tube that is around that area. if the bike is on its side or has been doing wheelies, some oil can get thru the breather hose causing that problem.

May 02, 2009 | 2003 kawasaki KLR 250

1 Answer

Oil leaks from breather box


Hi!
From your brief description It sounds like you are experiencing Crank Case pressure build up.
I presume your ZZR is of High mileage or possibly previous owners havn't serviced it regularly.
The problem being the compression Piston Rings wear and allow Blow Back gasses into the crank case there by building up pressure, this in turn sends an oil film up the breather tube to your air box resulting in your problem.
You could try an oil & filter change (Synthetic) Top jolly with maybe an additive plus similar for the fuel i.e. Red-Ex or similar, it may help but I doubt a cure.
If you want you could extend the breather pipe away from the box into a drip can or similar, be sure to filter it as you don't want to get contamination down in the cases.
Hope this sorts it for you?
Please press the Blue Button for appraisal of my FREE! Effort.
Thank You! & Good Luck.
Paul 'W' U.K.

Mar 05, 2009 | 2002 kawasaki ZZR 250

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