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/cgi-bin/YaBB.pl General Category >> Rubber Side Down! >> rattling/ vibrating /cgi-bin/YaBB.pl?num=1368289637 Message started by Ed on 05/11/13 at 09:27:17 |
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Title: rattling/ vibrating Post by Ed on 05/11/13 at 09:27:17 I'm having a weird rattling or vibrating in the upper part of the engine. My header pipe used to come loose, but I replaced the gasket. it isn't loose anymore, but I'm wondering if that is related. Any other suggestions? |
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Title: Re: rattling/ vibrating Post by Serowbot on 05/11/13 at 09:32:44 When you hear the noise... feel the headlight mounting ring... ... also, put your hand on the speedo bezel, and apply gentle pressure, up and back... ...do those tests, one at a time... (you need a hand on the bars)... ;D... It's usually one of those two things... (sounds just like an engine problem)... |
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Title: Re: rattling/ vibrating Post by Ed on 05/11/13 at 14:27:17 I did both those checks. it sounds like it is coming from the top of the engine. I went from 5W30 oil to 10W40, then to 20W50. I'm wondering if that could cause a problem? |
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Title: Re: rattling/ vibrating Post by apache snow on 05/11/13 at 14:42:40 How long did you run 5W30 as its a car oil and not good for the wet clutch not to mention that it is way weak in ZDDP anti wear additives. A good 10w40 that meets the JASO specs and has a high dose of anti wear additives is what you need. |
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Title: Re: rattling/ vibrating Post by Ed on 05/11/13 at 20:30:45 5W30 is what was in there when I bought it. I have no idea how long it was in there. Should I switch from 20W50 back to 10W40? |
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Title: Re: rattling/ vibrating Post by Serowbot on 05/11/13 at 22:04:43 20W50 is fine for summer,... switch to 10W40 for winter... 10W40 is fine for year round... (20W50 may help with extreme heat)... ...(I don't bother,... if it's that hot, I ain't goin' far for long)... ;D... |
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Title: Re: rattling/ vibrating Post by Ed on 05/14/13 at 15:03:29 I'm still having the rattling issue, and it has gotten worse. Any other suggestions? |
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Title: Re: rattling/ vibrating Post by Stangdude on 05/14/13 at 15:14:31 gas cap? Mine rattles a lot. Stops when i press on it. Still figuring out a fix.... |
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Title: Re: rattling/ vibrating Post by Ed on 05/14/13 at 15:19:33 Nah, if it was the gas cap or the headlight or something I wouldn't be so worried. When I get off the bike and listen for the noise, I hear it coming from the top of the engine. |
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Title: Re: rattling/ vibrating Post by 45acp on 05/14/13 at 15:42:51 i had a rattle that i thought was coming from the engine when i reved it up. turned out to be the left side cover. sounded like something bad in the top end though. scary sounding stuff. |
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Title: Re: rattling/ vibrating Post by Steve H on 05/14/13 at 15:47:45 Maybe the chrome head side cover? Something in the decomp mechanism? Not much else there that isn't inside. |
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Title: Re: rattling/ vibrating Post by verslagen1 on 05/14/13 at 15:54:47 headlight, speedo, mirror, pulley cover, drive pulley nut... those are the usual suspects, but the list goes on and on and on and... run your free hand around and grab hold of anything that's not supposed to be moving. |
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Title: Re: rattling/ vibrating Post by Routy on 05/14/13 at 16:22:00 Ok, it's not outside, we'll go inside,.....what about a cracked piston ? |
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Title: Re: rattling/ vibrating Post by Ed on 05/14/13 at 16:42:38 I took off both head covers and make sure everything on the cylinder head was tight. it all is. How do I find out if the piston is cracked? |
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Title: Re: rattling/ vibrating Post by Ed on 05/14/13 at 19:27:56 Could it be the rocker arms? |
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Title: Re: rattling/ vibrating Post by rfbznb on 05/14/13 at 19:42:35 I had a rattle in my top end when I got my bike and at first I was using car oil after I found out about using the right oil it was already to late and the rattling only got worse over the next 2 years. then when I opened the motor up I found that the rocker arms had flat spots in them and so did the cam. I had to change them both after that on more rattling. |
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Title: Re: rattling/ vibrating Post by Ed on 05/24/13 at 21:08:20 But replacing the rocker arms and cam worked? |
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Title: Re: rattling/ vibrating Post by Ed on 06/07/13 at 00:25:35 It sounds pretty similar to this: http://www.youtube.com/watch?v=27UgpOTd3VI |
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Title: Re: rattling/ vibrating Post by Routy on 06/07/13 at 03:58:56 Wow, scary, that sounds like........normal ! Did anybody mention the cam chain including adjuster ?? |
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Title: Re: rattling/ vibrating Post by Ed on 06/07/13 at 08:23:53 29263C273B3D2E2C242A3D4F0 wrote:
So that rattle is fairly normal? also, several people have mentioned the cam chain, and I've been meaning to check that. Everyone who has heard the noise says it sounds like its coming from too high up in the engine to be the cam chain. |
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Title: Re: rattling/ vibrating Post by Scottwerty on 06/20/13 at 10:21:20 I would check to see if the valve are within spec. Ironically my bike has started making more noise on the top end near the exhaust side, I'm assuming its either the valves that I had adjusted 5 years ago. ( 1000 miles ago) been in storage. Or the exhaust manifold gasket is leaking. Im a firm believer in the KISS doctrine. Keep It Simple Stupid |
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Title: Re: rattling/ vibrating Post by Boogieman on 06/20/13 at 11:44:32 hmmm... I was catching strange vibrations for a while and then I realized it was just a loose motor mount bolt, those that doesn't at all sound like it. when Versy, Dane & i we're installing one of his new and improved cam chain adjusters, I believe I remember him saying that you would hear a hell of a lot of noise from the top end where the chain wraps around the cam when the stock adjusters about to come loose and tare up your motor. put a thick wrench, screwdriver or push rod to the spot between your temple and ear lobe and prod around the top end of your motor with the other end. you will better be able to hear inside your engine. |
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Title: Re: rattling/ vibrating Post by paulmarshall on 06/20/13 at 13:44:43 I think its camchain. The sound is reverberating up top. Possible top end is tired too. But start with Cam. :) |
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Title: Re: rattling/ vibrating Post by Oldfeller on 06/20/13 at 18:41:59 2D2238233F392A28202E394B0 wrote:
:) Not 100% nice, but sure was funny .... |
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Title: Re: rattling/ vibrating Post by verslagen1 on 06/20/13 at 20:16:28 4B4A4A5A4B464D5C4F54572E0 wrote:
sounds like rust to me. :P |
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Title: Re: rattling/ vibrating Post by savagerider87 on 06/24/13 at 08:27:02 36373727363B302132292A530 wrote:
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