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Greyhogs

Hyosung 250 Comet Cutting Out

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Greyhogs
, 10th June 2012 at 17:38 (1968 Views)
Wanting some advice as to how to fix my sons Hyosung Comet from cutting out, it runs fine for a while then all of a sudden it will cut out briefly then start running okay again, we have replaced spark plugs, inline fuel filter, blew out tank vent now looking to replace the vacuum fuel tap with a standard tap, any help would be appreciated.

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  1. spanner spinner's Avatar
    try wiring out the side stand switch, I use to work on these when working for a hyosung dealership and have seen several faulty swiches. they cut the ingition out for a second when the stand vibrates when hitting a bump. Put a temporary wire link in to the connector up by the tank and take the bike for a ride to test if this is the problem. I would recomend to fit a new switch if it proves to be the problem as taking off down the road with the stand down isn't much fun when the stand digs in.
  2. Greyhogs's Avatar
    Thanks very much for your help, i will try that, i have also been studying about the fuel cap mod. by cutting a small piece out of the gasket, any advice on that.
  3. spanner spinner's Avatar
    Quote Originally Posted by Greyhogs
    Thanks very much for your help, i will try that, i have also been studying about the fuel cap mod. by cutting a small piece out of the gasket, any advice on that.
    I have done this mod also but it I don't think this is your problem as when the vents blocked the bike slowly stumbles to a stop and then won't start for 5 to 10 minutes.