Honda CX500 & GL500 Forum

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07-20-2008, 7:58 PM saltwatersurf Joined on 07-21-2008 minnesota Posts 15 My first CX I'm trying to ressurect a 79 CX500. I'm without a manual so I have a question or two. The exhaust is very hot on one side, the other side is cold and the big mystery is that the hot and cold side switched on me! What are the valve clearances? I'd like to adjust them. The bike has VERY little power. So here's a little about the bike: Great spark cleaned the carbs Sat for 3 years fresh gas old air filter exhaust expulsion feels same on both pipes new spark plugs new battery Any other info on what to grease, change or check out during my restoration is very much appreciated. Thanks Shane 1978 CX500 10,000 MILES    Report

07-20-2008, 8:05 PM Blindstitch2002 Joined on 05-16-2007 Greenfield Wisconsin Posts 1,663 Re: My first CX Valve clearances are In    .08mm or .003 Out .10mm or .004 1979 Honda Cx500 Custom    Report

07-20-2008, 8:11 PM Blindstitch2002 Joined on 05-16-2007 Greenfield Wisconsin Posts 1,663 Re: My first CX Check out this site. http://www.elsham.pwp.blueyonder.co.uk/cx500/ Ignore the fact that they say valve clearance is .10mm and .12mm 1979 Honda Cx500 Custom    Report

07-21-2008, 9:05 AM Willj Joined on 03-24-2008 Posts 64 Re: My first CX Go to Rob Davis CX500 site and you`ll find tutorials. Definately consider getting a shop manual if your going to wrench. It will make your life so much easier. Synchronize your carbs.    Report

07-21-2008, 12:15 PM Gotfalls Joined on 04-02-2008 Vermillion, SD Posts 110 Re: My first CX Not sure it would fix your problem with the cold/hot pipes, but check to see if the tank is rusty inside.  If you don't have an inline filter and you have a rusty tank chances are your carbs are dirty again.  Good thing is that new rust flakes won't be as hard to clean out as old gas in the carbs. Good luck! -1979 CX500 Custom - "Doc"    Report

07-21-2008, 5:53 PM saltwatersurf Joined on 07-21-2008 minnesota Posts 15 Re: My first CX Forgot to mention that I put an inline filter in too. Thanks for the responses. I'm working on getting a manual but till then... When someone says to grease the gears on the rear wheel does that mean the grease zirt (spelling) just nex to where the lower shock meets the final drive shaft? Is that zirk an add on part by P.O.? What oil should I use in the final drive? In reply to the "sync the carbs" post, I have been told that's more for sport bikes and won't really do much for the CX. True? Thanks again, Shane 1978 CX500 10,000 MILES    Report

07-21-2008, 6:06 PM tntchitwood Joined on 03-02-2008 Pine Knot, KY Posts 509 Re: My first CX Grease the gears.....Should mean the gear that meshes with the rear wheel when the final drive is removed. The grease zerk is for the end of the driveshaft where it slides up and down the input shaft on the final drive unit. 90 WT gear oil is fine. The carbs need syncronized just like any other multicarb vehicle, but syncronizing is only done after the bike is running well and been tuned up. Tom '82 Silverwing Chopper '02 750 Shadow http://choppercharles.com/cs/forums/29599/ShowPost.aspx    Report

07-21-2008, 6:17 PM fll1441 Joined on 11-06-2006 Fort Lauderdale, FL Posts 675 Re: My first CX See Cobram's links for the factory service manual in the thread below: http://choppercharles.com/cs/forums/27784/ShowPost.aspx    Report

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