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Technical | How To / Re: Barely runs at high RPM
« on: April 30, 2011, 09:31:02 PM »
New plugs. They don't appear rich or lean. Jets are all stock, as is the bike. Compression is even on all cylinders, and within spec.
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Technical | How To / Re: Barely runs at high RPM
« on: April 24, 2011, 09:03:12 PM »
Tank vents. I've checked the vent in the tank and evap hoses. I even rode it with the gas cap off.
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Technical | How To / Re: Barely runs at high RPM
« on: April 24, 2011, 07:51:31 PM »
I don't know what you mean by serial. The bike is stock, and I just bought it, so I have no idea what's happened to it. I did find that the floats were set too high causing the richness and no start issue. After resetting the floats, it starts and idles like a champ again, it just falls on it's face like before under any throttle past 1/4 or so. Slides looked good and move freely, diaphragms seemed good.
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Venox 250 / Re: Barely runs.
« on: April 19, 2011, 05:01:15 AM »
It seems in my multiple cleanings I bumped the floats and set them too high. I had them readjusted and the bike starts and idles well again, but at open throttle bogs out. Pulling the choke doesn't help, so either the floats are set too low now or there is something else causing it to run lean. I will try dropping it off at a service shop tomorrow.
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Technical | How To / Re: How do you know when your CDI is broken?
« on: April 15, 2011, 11:29:26 PM »
Who would one call about this CDI issue. My bike runs fine, but at high RPM falls on it's face. Letting off the throttle and easing into it helps only briefly.
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Venox 250 / Barely runs.
« on: April 12, 2011, 04:48:31 AM »
I just bought a used 2006 Venox 250 for my wife. When we bought it, the gas was so bad it barely ran. I flushed the tank, and cleaned the carbs entirely. I reset the PMS screws at 2 1/2 turns. It seemed to only get worse, and I pulled the carbs three more times to make sure it wasn't plugging up. It gets fuel. It started as running badly and barely hitting 50, then only 40. Now it barely starts, some days it won't. I've run it without the gas cap to make sure it wasn't a vent problem. It gets spark. It seems to be unbelievably rich. I had it running the other day, and it took 20 minutes to start. One minute of running almost choked me out of the garage. Anyone have a new idea?
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Technical | How To / Re: Barely runs at high RPM
« on: April 11, 2011, 08:23:02 PM »
Still no fix. I have removed and cleaned the carbs completely, even flushed the tank. The Venox doesn't have a fuel filter, and the petcock flows fuel. I reset the mixture screws to 2.5 turns out from seated, and it's worse than before. Now it seems to run super rich, when it will start.
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Venox 250 / Re: Kymco Venox 250 issuse
« on: April 05, 2011, 03:07:59 AM »
It's a 2006, and the previous owner didn't mention any problems. Other than apparently bad gas, which I thought was solved. I guess it's time to take it apart or bring it to the shop.
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Venox 250 / Re: Kymco Venox 250 issuse
« on: April 01, 2011, 03:05:42 PM »
Bought one for my wife over the winter in MN. It only ran with the choke out. I pulled the tank, flushed it, cleaned the carbs and filled it back up. I also replaced the plugs. It will barely do forty and bogs out hard under acceleration. I'm finding out that the money I saved on buying this bike is quickly going down the drain buying expensive parts for it.
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Technical | How To / Re: Barely runs at high RPM
« on: April 01, 2011, 03:00:53 PM »
It doesn't seem terrible. Against my better judgement, I blew it out carefully with compressed air, but it revs fine in neutral. It seems to be pulling air fine, but seems to be running out of fuel. I'm working on locating the fuel filter. I didn't see one when I pulled the carbs to clean them. I can't find parts for this thing in Minnesota, so it's a little tricky.
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Technical | How To / Re: HELP! Where is the fuel filter?
« on: April 01, 2011, 02:58:52 PM »
On a Venox 250? Is it black? Maybe it just doesn't look like a filter to me....lol.
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Technical | How To / HELP! Where is the fuel filter?
« on: April 01, 2011, 03:52:08 AM »
I posted earlier, but am also wondering where the fuel filter is. I must have missed it. When I cleaned the carbs, I set the PMS at 2 1/2 turns. Everything else is the same.
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Technical | How To / Barely runs at high RPM
« on: March 31, 2011, 11:56:16 PM »
I bought my wife this 2006 Venox 250 as her first bike. When I bought it, the fuel was so bad it barely ran without the choke full on. I emptied and cleaned the tank with fresh fuel and alcohol and let it dry out. I added fresh fuel, pulled the carbs and cleaned everything, and threw new plugs in it. It idles fine, but bogs out under acceleration, it barely goes 40mph. I am stumped.
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