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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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2t Exhaust Dent Removal
Have any of you made a bracket to block the ends of the expansion chamber to allow it to be pressurized for dent removal?
I have found these http://www.24mx.com/pipe-repair-kit but as i am intending to remove the dents using water pressure i am not sure if these will seal properly. Any of you made any other tools for this - and any of you using water pressure? see the video link below: https://www.youtube.com/watch?v=LTPhjaKfQRA
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2003 txt250 Pro 2013 Ossa 280i |
#2
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I used heat (propane torch) and air pressure. The advice I will give is to secure the end caps as well as drape a towel (or other restraining device) over them to slow down their velocity when they pop free. The dent in my garage door tells a better tale than I could.
Here's what I did, in order:
I'll look for pics later today. Be safe!
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Phil (New bike pending...) |
#3
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Yes this is dangerous! Pressure increases in direct proportion to temperature. Double the air temp and you will double the pressure.
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#4
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This is why I am intending to do it with water, it is incompressible so there will be no explosions just a bit of spray
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2003 txt250 Pro 2013 Ossa 280i |
#5
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Not a chane I'm messing with this........I'm more than happy to send my pipe out for repair.
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Rick 99 EC 200 06 RM 250 AMA D36 375X OTHG 375S ***Thanks for the support : Twin Air /O'Neil Racing / Race 100% / Matrix Concepts / ODI / Mika Metals |
#6
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So what are you using for the hydraulic pump?
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Phil (New bike pending...) |
#8
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Phil (New bike pending...) |
#9
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You can see the towel that I draped over the entire contraption to protect life and limb.
I forgot to add- I bought an extra long schrader valve from the auto parts store and used it in place of the compression bolt in the smaller plug. I had to shave the rubber plug down a bit to allow the threads on the schrader valve to engage, but it worked. So, my process was: Plug pipe Heat dent (one at a time) Add air pressure until dent walked itself out Add heat as needed, slowly and carefully It was pretty cool to watch the dent disappear as I added heat. Very easy to control. Just DO NOT stand in the path of the plugs, because they will hurt you when they pop out.
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Phil (New bike pending...) |
#10
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Something like this:
http://www.rothenbergertools.us/20-R...est_Pumps.html There are other options like modifying a 100bar power washer but I think that is a bit too uncontrollable to risk on a $300 pipe https://m.youtube.com/watch?v=llhcATrmsBg
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2003 txt250 Pro 2013 Ossa 280i |
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