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Post by gowron78 on Apr 27, 2012 0:51:16 GMT -6
So a little update. I just got back from riding around for almost an hour. Acceleration was perfect, top speed was between 70-75, ran smooth as silk..... And the noise was gone when I was driving. The noise is only apparent while idle. I even ducked my head down under my windshield so I could hear the engine purring clearly and no noises out of the ordinary. As soon as I came to almost a complete stop, I hear the noise again...... Que?
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Post by gowron78 on Apr 26, 2012 23:07:49 GMT -6
Here's another video of the sound with the gear cover off |
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Post by gowron78 on Apr 26, 2012 22:52:14 GMT -6
Ok so I feel pretty dumb at the moment.... If this is the problem I hope it didn't cause damage. There was almost no gear oil that drained out when I opened the drain. Ugh.
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Post by gowron78 on Apr 26, 2012 22:29:40 GMT -6
Well it wasn't the valves. I recorded the sound. If anything it sounds like its coming from the gear area. Definitely not on the engine itself |
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Post by gowron78 on Apr 26, 2012 20:34:48 GMT -6
Man I really hope that's all it is. Gonna try in about an hour or so....
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Post by gowron78 on Apr 26, 2012 16:57:07 GMT -6
Going to try a valve adjustment tonight. Is there any rule of thumb when moving these things or just... move it till is stops tapping?
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Post by gowron78 on Apr 26, 2012 9:08:30 GMT -6
Yeah the manifold is one of the things I replaced with the new muffler system. After listening to the noise more closely, it sounds like it's originating more on the left side of the engine towards the top. Is that where the valves are?
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Post by gowron78 on Apr 25, 2012 20:04:29 GMT -6
Heard from a couple people this could simply be the valves tapping. Now if only I had any clue how to adjust those lol ..... Someone pass me the greenhorn Viking helmet
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Post by gowron78 on Apr 25, 2012 15:55:00 GMT -6
Sounds like it is leaking by where your header pipe connects to the motor. Check that first before you go tearing the thing apart. Alleyoop Apologies but that's still a bit Greek to me  No idea what the header pipe looks like. I'm gonna go all 4 year old on you again and ask.... Have any pictures by chance? Or maybe just point it out on here? site.scootertronics.com/CF250.pdf |
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Post by gowron78 on Apr 25, 2012 15:34:54 GMT -6
that's exactly what it sounds like.......... |
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Post by gowron78 on Apr 25, 2012 15:32:09 GMT -6
Good lord that looks like a project and a half. Heh. Might just cut my losses and sell this thing for what I paid for it and keep my lithium iron battery.
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Post by gowron78 on Apr 25, 2012 14:37:15 GMT -6
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Post by gowron78 on Apr 25, 2012 14:33:43 GMT -6
Would that really be the case when this thing only has 3000 miles on it? I mean I know these Chinese scooters are cheap, but for something that serious to go wrong already? Sheesh.... last time I buy one of these. Actively trying to sell this thing now.... Sucks because I was so excited to use this for my commute for a long time.
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Post by gowron78 on Apr 25, 2012 7:53:12 GMT -6
Yeah it does sound like a knocking but it's been pretty steady as to how loud it is. How do I check that bearing?
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Post by gowron78 on Apr 24, 2012 22:30:00 GMT -6
So installing new muffler did not get rid of the sound..... I'm at a loss
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