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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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EC 300 2008 pipe resonation
Hello guys.. a friend of mine brought his gasser to me with powervalve rattle (as he said).. I have find out it is not rattle from loose powervalve but resonation of pipe.. all mounts are good... Orings are new.. even so pipe resonates horribly... Is there any solution or trick how to solve it? Thanks a lot
https://youtu.be/EqQHO0dord8 Last edited by Mr.freezer; 11-10-2019 at 08:35 AM. |
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Stock pipe or aftermarket?
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Back on a gassy! 2018 EC300! 🤘 Txt 280 07 to make me feel like a gumby again |
#3
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Stock one
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Cant watch here on data. But watch out for close rad guards. Put boot on pipe.
Does it quieten it? I've just replaced front pipe mount that had gone soft on my 07. Also new orings.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#5
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One thing that I have noticed on my bike ( 2014 Factory Replica EC 300 ) is that the inner ring of the stock pipe contacts the end of the exhaust spigot resulting in a very annoying rattle. I have temporarily eliminated the noise with a home made gasket, new rubber o rings and lots of Silicone. The gasket burned out rather quickly and the rattle returned. I am planning on trying a copper exhaust ring spacer from an early CR 250 to see if it will provide a permanent fix. I have also considered machining either the spigot or the ring inside the stock pipe down to provide a little clearance.
I was previously using a House of Horsepower cone pipe that didn't have the welded in ring and there was no rattle at all. Unfortunately the mounting bracket that is close to the kick starter broke off and I haven't had time to get it repaired yet. |
#6
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Shultzy... I think you are right.. I thought the outer edge of pipe is touching the base of spigot, but inner ring touching the edge of spigot is more likely... I was thinking about stretching another oring and put it on the base of spigot... So edge of pipe wont be touching the base of spigot... Pipe will be a little further out so inner ring would not be touching edge of spigot neither..
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