can any1 help with a XR500R ?


11 replies to this topic
  • pympin

Posted April 06, 2008 - 03:50 PM

#1

1981. New plug, have nice blue spark, wire clipped and redone. carbs cleaned, new gas...cleaned air cleaner...bought it a week ago...never heard it ran...pop pop pop is as close as it gets, usually on thefirst few kicks. it seems to have good compression...but I need to check it with a gauge in the spark plug hole to be sure? any1 know? any other things I can try? thx.

  • hondarider623

Posted April 06, 2008 - 05:00 PM

#2

check your valve clearances

  • Krannie McKranface

Posted April 06, 2008 - 05:14 PM

#3

It will undoubtedly be a carb issue. Loosen the clamps, rotate it sideways, take of the float bowl, and remove all the jets. Inspect for blockage, inspect float needle. Clean and replace.
Have you tried tow-starting it yet?

  • pympin

Posted April 07, 2008 - 01:30 AM

#4

as I said in my first post....carbs cleaned...no I havent tried pop start...yet.

  • XR6's_rule

Posted April 07, 2008 - 01:53 AM

#5

As Hondarider623 said, check your valve clearances. Even if there is one valve on zero clearance, the bike with give problems. Check that first, failing that do a compression test and see what it comes up with. Good luck!

  • cleonard

Posted April 07, 2008 - 11:38 AM

#6

as I said in my first post....carbs cleaned...no I havent tried pop start...yet.


That doesn't mean that everything is actually cleaned out. On a bike that has sat for a long time, I have had to clean the carbs 2 or 3 times before it would run right. I spray carb cleaner through every passage and make sure that it get to all of the places it needs to go.

To check the compression, remove or re adjust the decomp cable. It goes from near the kick starter to the head. With it doing it's job you will not get a proper reading. I ended up removing it completely. However you need to be a big guy to start it with out the decomp. It's how I "locked" the bike.

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  • pympin

Posted April 07, 2008 - 07:30 PM

#7

running... thx for all your help...i didnt need to clean the carbs again...so no doubt u were close...lol...just needed to keep kicking...started on 4th kick today....it wont be sitting long.

  • pympin

Posted April 07, 2008 - 07:32 PM

#8

had a73 500 honda four chopper, cleaned the carbs out several times...so when I say that it is clean, please believe me...its clean....LMMFAO

  • DGXR

Posted April 08, 2008 - 09:53 AM

#9

Consider putting an inline fuel filter between the tank (petcock) and carb inlet. Sure has saved me a lot of time and frustration.

  • pympin

Posted April 09, 2008 - 02:33 AM

#10

great idea, thx, i will do that, any good reuseable / clean out brands I should look for? p.s the bike is starting on or bfor 4 kicks now. working on cosmetics...lube it up, front brake still sticking, gunna take it apart.

  • DGXR

Posted April 09, 2008 - 09:31 AM

#11

great idea, thx, i will do that, any good reuseable / clean out brands I should look for?


Any standard 1/4 inch filter will work, the shorter (in length) the better. You might be able to find them at the TT store but I know they are available at rocky mountain ATV/MC. Once I got the filter in a section of new fuel line, I had to loop the line once in order to avoid any sharp angles or kinks between the petcock and carb inlet. Can post a pic if you want to see.

  • pympin

Posted April 10, 2008 - 06:46 AM

#12

nah its cool, pretty sure i can figure it. had some CC filters on my chopper, maybe i will use one on those, they are small. thx.





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