Trouble holding a constant speed – GV250 2006 CARBY
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Hi there, I’m hoping to get some advice on my 2006 GV250. I have only owned the bike for about 2 or 3 weeks so I’m still getting to know my way around it. The bike will start and idle no worries and it’s also fine when I power on, it just won’t sit on a constant speed, say like 60kmph. When I try to hold it at one speed it will cut in and out. It’s also backfiring when I’m slowing down, not sure if that has anything to do with it.
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That would be the fuel pump,Ā sometimes the “strainer” is too clogged orĀ the pump itself needs replacingĀ (prefer to replace the entire fuel assembly)
Also while at it,Ā pour some injector cleaner in to the tank that can be mixed with fuel and useĀ E5 fuel as Hyosungs don’t do well long term with E10 fuelĀ Ā (I am not sure what E5 means in AU ,Ā but here in UK E5 means 5% ethanol mix , premium grade fuel)Ā Even modern cars do well in E5Ā even if they were designed for E10 from the get go.
You may find that at odd times,Ā the “red FI” light will come up = it means what i described above.
If its a carb model bike = carbs and cracked intake pipes will be your first area of investigation.
Carb or EFi = Do keep in mind for their intake pipes may have “O-Rings” that have gone heat cracked, rotted due to old age since its the O-rings that seal the intake pipes to the engine cylinder heads.
// Meditation doesn't mean you have to sit still....
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