Question about 2005 Hyosung GT 250

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2007 Hyosung GT250R CHOKING at top end

As long as I am contantly accelerating and breaking, city traffic, the bike is responsive and bad ***.  Once on the highway in 5th gear it won'tlast about 1 to 2 minutes before it begins to choke little by little until I've come to a complete stop.  Where can I control the amount of air to gas ratio, i think it might be getting too much gas when the throttle is all the way or close to all the way down for a long period of time.  This bike was bought after it had been without use for a couple of months, maybe a year.  Ive used about 3 to 4 gas tanks worth since I got it early december.  The first time I rode it in november i took it for a long ride to a dealer to have it checked and it made the trip there and back without this problem.  What could have changed?

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Hi ..... Lots of variables on this one. Pull the petrol pipe from the carb(s) and ensure you have a stong/steady stream of petrol. Remove the spark plugs and have a look at their colour, should be a light tan. The petrol tank has a breather hole near the petrol filler OR through the filler itself make sure this is clear and unabstructed.
Let me know how you get on.

Posted on Jan 02, 2009

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