20 Most Recent 2004 Hyosung GT 250 Questions & Answers

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Engine

Just about anything is possible but this would be difficult. I think the body/chassis is different. You also have a different transmission between the two bikes; 6 speed on the 650R and 5 speed on the 250R. The 650R is a liquid cooled engine while the 250R is air/oil cooled. They both use different carbs.,
9/17/2023 9:15:03 PM • 2004 Hyosung GT... • Answered on Sep 17, 2023
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The bike wont start something

THe clicking is your starter solenoid. It clicks repeatedly if there isn't enough power to make the starter work.
10/21/2013 7:48:05 AM • 2004 Hyosung GT... • Answered on Oct 21, 2013
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Hyo gt250 comet: i am replacing gearbox oil, how

There should be on top of either the left or the right side case an oil screw. It either has a slot in it or a finger grip on it. If your just topping it up and it has a sight window usually on the right side case down the bottom or sometimes on the left, it sits between the 2 marks and upper and lower mark.
If your filling it from empty it should be written on the filler how much oil it takes or will have two sets of numbers the higher is when you are replacing the oil filter and the second lower is when your just replacing the oil only.
Best to have a measuring device, most oil bottles do. Only fill it with the correct grade oil and with the correct amount. You should have a hand book it will tell you in there how to do it.
8/1/2011 2:42:35 PM • 2004 Hyosung GT... • Answered on Aug 01, 2011
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What is the switch between on switch and electric

Lights m8 2 d left on right of high n low beam switch on left grip
7/25/2011 1:35:06 AM • 2004 Hyosung GT... • Answered on Jul 25, 2011
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G'day, i actually have a GT 250R. it's been idel

Hi

It sounds more like a carb problem than a spark plug issue, spark plug is easy enough to check pull it out and see how dirty it is. If you ran out of gas then you will have dragged **** through the carbs. Go to a bike shop and buy a spray bottle of carb cleaner. Spray this in the air filter and if necessary straight into the carbs themselves. If it sounds like it's going to start but never does then compressions probably good, this leaves spark, fuel and air. To check the spark take out the spark plug but leave it connected to the lead, then turn the bike over with the spark plug earthed against the engine of the bike. If you see a spark then all is well, if not check wiring, replaces plugs and potentially coils. Clean your carbs in the way described and check all the fuel lines and fuel filters. This includes the one in your tank and any inline ones.Air is simple really just check the air filter and any pipes into it or out of it are not blocked. It is worth cleaning the air filter with warm water and if it's really bad washing up liquid.

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5/18/2011 6:51:11 AM • 2004 Hyosung GT... • Answered on May 18, 2011
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Fuel going to carby but dos'nt seem to be going into carby. Will start for a moment as i pour fuel into chambers?

Hi Kristian, Seems like the needle could be stuck inside the seat.... You need to pull your carby off and unscrew the bottom half from the top, 1st sign of a needle stuck inside the seat is a dry carby There you'll find the float, push the float up and down and see if the needle above the float slides up and down from the seat, If the needle stays up then it's stuck and NOT letting the fuel into the carby, Just pull it down with your fingers to loosen it up. I hope this helps.... CHEERS..
4/28/2016 10:00:33 AM • Hyosung GT 250... • Answered on Apr 28, 2016
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Why do the lights stay on and why is there hazard lights on this bike

Don't know about your particular model, but some bikes do have the lights wired through the ignition so they are on permanently once the ignition turned on and this would leave the usual right hand switch as a spare. Would make sense to utilise it for the hazards.
11/17/2015 8:54:00 AM • Hyosung GT 250... • Answered on Nov 17, 2015
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Changed clutch plates now i have loss of power at high rev

CLUTCH IS SLIPPING
5/4/2015 6:41:45 PM • Hyosung GT 250... • Answered on May 04, 2015
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How do you adjust idle on a 2011 gt250 fuel injected

Hi Brent look for a plastic or metal knob near the main throttle shaft.
5/3/2015 4:58:20 PM • Hyosung GT 250... • Answered on May 03, 2015
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I have a 2007 hyosung that is not sparking in one cylinder. Bike fires up on heavy choke but one cylinder does not fire at all. Is receiving fuel to both cylinders. I hold each spark plug to a ground

BAD WIRE/SOLENOID. Check your wires for continuity.(spark plug wire). Sometimes they burn off inside the socket
4/3/2014 10:38:44 PM • Hyosung GT 250... • Answered on Apr 03, 2014
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When i got my bike

Which gas line is it? there is one that is a vent and just dangles down and under the bike.
10/21/2013 8:13:05 AM • Hyosung GT 250... • Answered on Oct 21, 2013
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Were can i fined a

Hyosung.com
10/21/2013 8:09:00 AM • Hyosung GT 250... • Answered on Oct 21, 2013
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I replaced the fuel tank

The hoses are all different diameters and only fit on the nipples that are the same size. Don't need a diagram for them. they only fit one way.
10/21/2013 7:49:00 AM • Hyosung GT 250... • Answered on Oct 21, 2013
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What does it mean when

There is a loose connection in the wire harness, it could be costly to repair. If it isn't driving you nuts you might just want to live with it. I have seen those types of repairs go upward of $500-$600
10/21/2013 7:46:14 AM • Hyosung GT 250... • Answered on Oct 21, 2013
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My speedo is giving me the wrong speed when i am going 100kph it is reading 50kph

Change your speed sensor. they go bad a lot.
10/21/2013 7:41:59 AM • Hyosung GT 250... • Answered on Oct 21, 2013
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