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Discussion Starter #1
First time on the Forum and thought I would reach out. I bought a heavily modified Teryx early this year and have taken it out all of 3 times. I noticed a small amount of oil leaking on the ground what appear to be out of a vent tube. I decided to swing it by the local dealer as this is my first side by side to get a second opinion. And the started off by saying, it has a bore kit (850) and we cannot work on it. They also said the oil was coming from the air cleaner and that this was because of excess crankcase pressure.
Well I have been around my fair share of blown big blocks, and turbo diesel power houses so when I heard blow bye my heart sank as I understand that to be rings, valves or even pistons.
I heard on a thread however that someone said the vent tube was positioned to low and that could be the cause, is this true. The teryx has the DASA 850 kit and if in fact it is the rings and valves and I need to tear it down, has anyone on hear ran a bore kit and a turbo? What am I going up against? Can the lower hold up if i went with a lower compression piston? Will it make big power, and is it worth it?.
 

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Discussion Starter #3
So sorry for the late response, but my mobile application for this forum is terrible. I was able to fix the problem and the comments by many i believe I can validate. On my set up I have a very small puke tank that consists of three connections. The top connection is of course for the Breather, the second one which is mid way up the tank is where the oil comes from the crankcase, and then lastly the bottom connection goes to the head on the number one cylinder. I think someone switched the position of number 2 and three which led to the leak. I have since not had a single drop from the puke tank I did however develop a new leak out of the lower casing where the driveshafts exit into the front and rear differentials. I was able to replace the seals on the rear but was unable to source the front so I now have a small leak.

As far as the comments go I do believe that the breather is positioned way to low into the case and allows for pressure to force oil up the tube and out. I also am certain that there is some blow by as the motor has almost 5,000 miles on it.
 
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