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07-15-2010, 10:17 PM shovelhead Joined on 03-31-2010 ADAMS NE Posts 10 nebraska cx500 owners Is any one on this forum ;n the Lincoln Ne area. I need to here a cx 500 run to get an idea if mine sounds normal It runs but sounds really noisy I live south east of Lincoln 1979 CX500 CUSTOM 1979 CX500 DELUXE 1973 NORTON HIGHRIDER 1977 XL 1978 SUPERGLIDE    Report

07-15-2010, 10:47 PM Blindstitch Joined on 03-14-2009 Greenfield Wisconsin Posts 9,863 Re: nebraska cx500 owners They can be quiet or noisy suckers. Video amplifies screwed up sounds but here's a short video I took after swapping jets. http://s693.photobucket.com/albums/vv299/Blindstitch2002/Spark%20Plug%20Fun/?action=view&current=120Jetsidle.mp4 And this is Sheps bike. Big difference. http://s693.photobucket.com/albums/vv299/Blindstitch2002/CC%20photos/?action=view&current=cx500IdleVibration.flv 1979 CX500 Supertanker ATGATT makes riding a bike like a sled easier. Quick Reference    Report

07-16-2010, 12:50 AM Shep Joined on 01-30-2007 UK.2x1980CX500A Posts 7,647 Re: nebraska cx500 owners Yours isn't that far off mine Don.All I can hear is a little extra tappet noise and that's easy to fix, http://www.sheppola.karoo.net/TwistedTwin/TappetsDressing.htm Next time you do the tappets just take them out one at a time.What happens is that the tappet faces become uneven/pitted/square edges and then when setting the gaps the gaps are uneven so usually one or more is larger than it needs to be hence the extra noise.Nothing mysterious about it.Once you have a nice meniscus on them they are also easier to keep that way.The ones on that vid still haven't been re-done in over 8,000 miles now but if they needed to be it takes no time at all. My Music http://www.reverbnation.com/pauldouglas/ Join Just In Case :) http://globalcxglvtwins.hostingdelivered.com/ Id quot circumiret, circumveniat    Report

07-16-2010, 1:01 AM Blindstitch Joined on 03-14-2009 Greenfield Wisconsin Posts 9,863 Re: nebraska cx500 owners Every time I think about squaring the edges something convinces me that it's going to be a pain. I was actually thinking about making a jig up for it. Basically a threaded hole in a piece of flat stock that would hold the tappet to a sanding device. Something precise even thought the flapper wheel isn't a bad idea. A belt sander would make it pretty quick and easy. 1979 CX500 Supertanker ATGATT makes riding a bike like a sled easier. Quick Reference    Report

07-16-2010, 5:23 AM Shep Joined on 01-30-2007 UK.2x1980CX500A Posts 7,647 Re: nebraska cx500 owners So long as you are gentle and careful a flapper wheel does it in seconds and then finish with a bit of 500 paper.There's plenty of meat on the tappets.It's really not hard or a big job.   The only hard part of the job is that there are eight to do My Music http://www.reverbnation.com/pauldouglas/ Join Just In Case :) http://globalcxglvtwins.hostingdelivered.com/ Id quot circumiret, circumveniat    Report

07-16-2010, 6:28 AM marksaunders Joined on 06-18-2008 Buffalo, MN Posts 81 Re: nebraska cx500 owners Shep I’d like to do this on my push rods. I’m a little confused on what to do. Does it need to be squared off or rounded? I saw your write up and photo on your site but I can’t see to well in the photo what you did. Can you explain what to do?. 1981 CX500-C    Report

07-16-2010, 7:09 AM CXTURBOBOOST Joined on 05-02-2007 Lincoln, NE Posts 440 Re: nebraska cx500 owners Just Turbo's in my stall, but happy to let you hear them run if it would help. Pete (Lincoln)    Report

07-16-2010, 7:19 AM Shep Joined on 01-30-2007 UK.2x1980CX500A Posts 7,647 Re: nebraska cx500 owners  marksaunders wrote: Shep I’d like to do this on my push rods. I’m a little confused on what to do. Does it need to be squared off or rounded? I saw your write up and photo on your site but I can’t see to well in the photo what you did. Can you explain what to do?. You don't do it to the push rods or at least I've never seen a set that required it and I would be loathe to touch them as they don't have a lot of meat on them and are like the tappets e.g case hardened ends but not enough to dress really.           However in saying this if yours are damamged and you cannot get new then I suppose you could lightly dress them with some 500 wet and dry grit paper but I would advise replacing them.Also you would have to crack the head gasket seals to do the Push-rods so you may as well do a full top-end de-coke if this were the case and most likely need a top-end gasket set.   Note:It's virtually impossible to un-torque Cylinder head bolts to remove the rocker arm assembly without braking the Cylinder head gasket seal.Even if it appears ok it will let you down within a few hundred miles. My Music http://www.reverbnation.com/pauldouglas/ Join Just In Case :) http://globalcxglvtwins.hostingdelivered.com/ Id quot circumiret, circumveniat    Report

07-16-2010, 10:04 AM marksaunders Joined on 06-18-2008 Buffalo, MN Posts 81 Re: nebraska cx500 owners Sorry wrong terminology I meant tappets. When I went through tech school we called them push rods. Mark 1981 CX500-C    Report

07-16-2010, 10:25 AM Blindstitch Joined on 03-14-2009 Greenfield Wisconsin Posts 9,863 Re: nebraska cx500 owners #2 is a push rod. 13 is the tappet. 1979 CX500 Supertanker ATGATT makes riding a bike like a sled easier. Quick Reference    Report

07-16-2010, 11:05 AM marksaunders Joined on 06-18-2008 Buffalo, MN Posts 81 Re: nebraska cx500 owners Thanks Stitch I get it now. I'll clean these up when I do my next oil change. 1981 CX500-C    Report

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