Engine cutting out while slowing down, braking.
I bought the 2009 Hyosung GT650 (naked bike) a few weeks ago, rode it about 75 miles or so and within those 70'ish miles the bike stalled on me, literally, about 15 times. When I initially test rode the bike, it happened to me then, but I thought it was because it was a brand new bike and it just needed to get ridden. Anyhow, when riding it was fine actually.
The bike rides very nicely, nice sounds, good acceleration. When slowing down I hold in the clutch and start pumping the front and rear brake, and while doing so the bike would just shut off as if I killed the engine switch. I would have to pull over and restart the bike.
I'd had about enough when I was going to make a left turn and the bike stalled, and there was an ambulance coming behind me. I couldn't immediately start the bike because I was still doing 30 miles per hour (and if it can restart while running I didn't know). So because I was still rolling and the bike had shut completely off, the ambulance came within feet of hitting me because I was at a complete stop in the left lane in the middle of the busy street. Thank goodness I made it home.
The shop where I bought the bike picked it up that following Tuesday (last Tuesday) to check it out. They called me up 4 days later, letting me know the bike was fine and they that they had ridden it and it never stalled. I went over with my boyfriend to test ride it before taking it home, and sure enough, it stalled on him within a mile of riding it. The manager then went to ride it and the bike wouldn't even start. The electric on the bike was completely dead. They thought it was the battery and when they checked it, it was fine. Now it looks like a battery or an electrical problem.
Now I'm leary of even riding the motorcycle because what if I get on that thing and it dies on the highway on an emergency brake and I get rear ended? That almost happened to my boyfriend when he took it out on a 7-10 mile test ride. Someone in front of him slammed on his brakes and he automatically clutched in and braked and it stalled. The woman behind came within inches of hitting him. He was able to coast off and restart so he's OK. This is a very dangerous thing that's happening to my bike. I previously owned a Honda CBR 600 and that never happened in the 1k miles I put on it.
I hope it's an easy fix, but no one should take something like this so lightly. This is my life we're dealing with...
I would appreciate some feedback as to what it could be besides what I already mentioned.
Hi from New Zealand.
I'm so glad to see your review on this forum. I too have a bike like yours and have had similar problems, except my bike would cut out under acceleration over 80km per hour. Which it happened to do on the motorway, traffic wouldn't give me an escape route and I had no choice but to sit on the lane markers and try and start her back up. Unfortunately I was hit by a car in a 100k zone whilst I was static, fortunately I didn't break any bones and was off work for a week recovering.
Previous to this the bike had a wiring issue, which was apparently fixed and 10 hours later, my bike is a write off. Go figure... Both the motorcycle shop and Hyosung NZ were informed and haven't come to the party. If your bike is still under warranty, which I'm guessing it is, I'd get the motorcycle shop you purchased your bike from to fix your bike so it runs like it should for a new bike... perfectly.
It's just a matter of luck you or I weren't killed by this rubbish product.
Take care out there.
I do own a 650GT 2006 model. It has less than 10,000 klm. Although when I looked at the Internet to see comments, they were positive about the Comet 650, I'm not so happy with it. I had to replace the rectifier few weeks ago (it cost 200 Euro) and after the dynamo that charges the battery failed. (another 200 Euro).
So I decided to fixed and sell it and get myself a HONDA.
I have found this bike to be very reliable, much more so than my Honda. My Honda has broken down numerous times, and I have 9000 on my 09 Comet. I found it was lumpy before warming up, and I had to do a full service myself before taking it out on proper rides. However, after my first 4k it rides like a dream, sounds like a dream, with my adapted twin cans sounds lovely.
I bought an 2008 belly pan from a ruined GT650R looks fantastic, not had any problem up to press, and I ride well in excess of 70mph and it's fine, ridden solid for 5 hours, and in the rain no less.
I think that most comments online are bad, because nobody writes about their good experiences.
Fantastic buy for price, with a year warranty and bonus of 3 years without MOT, much better than buying a Suzuki SV second hand, as that will cost you more in the long run.
I own a Hyosung GV250 and found the side-stand kill-switch to the culprit (slight vibration can make it stick in the off state). Either replace the switch or short circuit (which is what I've done) and problem will go away forever.
Seems to be a common problem.
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