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post #1 of 15 (permalink) Old 02-14-2010, 02:26 PM Thread Starter
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teryx blow by

I am getting oil pushing up through my crank case vent hose at high RPM, Im already using syphon break bottle, It did it when it was stock and with 840 kit
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post #2 of 15 (permalink) Old 02-14-2010, 07:39 PM
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i think that all kawasaki v twins do this at high rpms and even more with an engine upgrade////do you have a catchcan that will catch it and then let it drain back into the motor..if so..thats all you can do.
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post #3 of 15 (permalink) Old 02-14-2010, 08:02 PM
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Just the catch can is not enough, several ways to do it but we have what we call a STOP kit.

When your building the motor you can tap a hole one of the heads to allow air out.



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post #4 of 15 (permalink) Old 02-14-2010, 08:16 PM
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how is your kit any different?it will blow oil....into a canister...and then it needs a good place to drain back into the engine..like the rear head.or maybe todds inspection hole fitting.there is no fix for the blow by as far as i seen.you just have to put a crutch on it to eliminate the problem you will have if you dont fix it.
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post #5 of 15 (permalink) Old 02-14-2010, 08:44 PM
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Ah hell, just leave the oil out...you dont need that stuff, it just makes a mess
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post #6 of 15 (permalink) Old 02-14-2010, 08:57 PM
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A Better Place to Vent.

We are working on a fitting that will vent the crank case in a area that doesn't sling oil with a 1/2 to 3/4 inch hole and we think it should work well for this problem. I am waiting on some pieces from the machine shop to go test. We will hopefully have info in a week or so.

Unleashed UTV
5838 N. 19th Ave
Phoenix, AZ 85015
www.unleashedutv.com
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post #7 of 15 (permalink) Old 02-15-2010, 07:10 AM
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When we have to split a case we put a 1/2" hole in the inside breather tube about half way up and on the front side, helps alot.



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post #8 of 15 (permalink) Old 02-15-2010, 12:08 PM Thread Starter
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teryx blow by

Quote:
Originally Posted by Unleashed UTV View Post
We are working on a fitting that will vent the crank case in a area that doesn't sling oil with a 1/2 to 3/4 inch hole and we think it should work well for this problem. I am waiting on some pieces from the machine shop to go test. We will hopefully have info in a week or so.
looks like I have found a fix after working this thing, for dozens of hrs , I drilled a 1/2" hole into the rear valve cover installed a fitting and hose and ran that back to my current vent hose at a low point and installed a T, then ran one hose up to the syphon break bottle, this seems to stop the oil from going up and out the breather and the bottle no longer fills with oil, it now runs back down the original vent with now has a vacuum
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post #9 of 15 (permalink) Old 02-15-2010, 03:06 PM
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Quote:
Originally Posted by talan View Post
looks like I have found a fix after working this thing, for dozens of hrs , I drilled a 1/2" hole into the rear valve cover installed a fitting and hose and ran that back to my current vent hose at a low point and installed a T, then ran one hose up to the syphon break bottle, this seems to stop the oil from going up and out the breather and the bottle no longer fills with oil, it now runs back down the original vent with now has a vacuum
Will you please post up some pictures.
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post #10 of 15 (permalink) Old 02-15-2010, 09:27 PM
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That might do it some people just want a turn key solution, that is why we did the STOP kit. No drilling or tapping, gluing etc.



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