Question about 1985 Honda VT 500 C Shadow

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85 Honda shadow vt500c

Adding details i have a 1985 honda shadow vt500c, cleaned carbs, new plugs and battery but it will run for only a few seconds and any throttle i give it kills the bike. any ideas?

Posted by TJ Hutch on


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Ale? Ogrin

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You did not clean them properly, you have to drain out the gas in the carbs and clean the air channels with thin wire, check the 2 diaphragms

Posted on Apr 29, 2014


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Bob F

  • 48 Answers

SOURCE: will only run with full choke and absolutely no throttle.

Carbs gummed up. Need a serious cleaning or a full ruubers replacement/rebuild kit. Gas turns to gummy when left stting in the fuel bowls.

Use a couple of cans of Sea Foam.. best stuff in the world.

Posted on Mar 20, 2009



  • 40 Answers

SOURCE: 1985 honda shadow vt500c pulse generator


locate the crankase cover to the left of the engine towards the lower end of the motor. if the bike has a center stand place it upon it t\and undo the crank cover once removed you will visually see the pulse generator it is like a large type style magnet. good luck

live free ride hard..

Posted on Mar 30, 2009


  • 948 Answers

SOURCE: Honda Shadow 600 c won't start in gear after battery change

The kickstand switch is either bad or bent out of position. See if you can activate the switch manually. Does the bike run now? If so, the switch is bent out of position. If it still won't run, jumper the wires together until you can replace the switch.

Posted on Apr 11, 2009


  • 3567 Answers

SOURCE: 1986 honda shadow vt500c throttle hesitation.

If your bike has carbs and not fuel injection, ( difficult to remember back 23 years ago ), then remove the carb slides and move the clip on the jet needle down one notch. This will richen the low end mix and provide it sooner. You may need to go two notches but start with one notch. Also, sync the carbs such that the slides on both carbs move at the same exact instant when the throttle is slowly turned from idle speed < engine off. Clean the carbs when you get a chance.

Please rate this solution. Thanks Cindi!

Posted on Apr 30, 2009


  • 10 Answers

SOURCE: I have a 85 Honda Shadow vt 500. Engine is surging

did you clean all the jets good sounds like it may be in the jets and needle part of the carbs

Posted on May 07, 2009

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86 honda shadow VT500C flat spot in throttle about 1/4 throttle

The carbs are most likely clean, especially if they were soaked in real alkaline carb cleaner. Honda Shadows are very fussy about incoming air. If the air cleaner intake box is not fastened securely to the carburetor intakes the engine will run lean. The reason for the lean mixture is there is not enough negative pressure with the airbox disconnected and the carbs get too much air and not enough fuel.

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You have to clean carbs, the main jet is clogged..

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I had rust in tank after i cleaned tank out the bike is sputtering and back firing how do i clean carb

1. remove and plug the fuel line
2. remove the throttle slide
3. remove the carb from the back of the motor ( should be 10mm bolt )
4, have a full air compressor to blow air into the carb
5 remove the bottom of the carb ( star head bolts x3 ) make sure that all clean

this link will show you how to disassemble and reassemble your carb

Mar 25, 2011 | 1985 Honda VT 500 C Shadow

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