Thread: 250rtc engine/carb problem
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#1 250rtc engine/carb problem
- Join Date
- Dec 2011
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- orlando/miami, florida
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- 72
12-16-2011, 10:40 PMjust curious as to whether this happens to anyone, bike starts up good, ride around for 10 minutes then engine just starts bogging out, going full throttle has no effect/the engine just starts going lower and lower rpm while bogging( by bogging I mean chugging along) and if you let go of the throttle just a little the engine turns straight off.
2011 250rtc
2004 m3 e46
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#2 Re: 250rtc engine/carb problem12-16-2011, 11:01 PM
Make sure that the choke is not on.
Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#3 Re: 250rtc engine/carb problem
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- Dec 2011
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- orlando/miami, florida
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#4 Re: 250rtc engine/carb problem12-17-2011, 03:26 AM
I still think the choke was on. If your engine got that hot to make it run the way you described then you should have major damage. Why do you think the engine got too hot?
Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#5 Re: 250rtc engine/carb problem
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- Sep 2011
- Location
- Sofia, Bulgaria
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- 262
12-17-2011, 02:27 PMCheck tank venting. It's possible that not enough air gets in, and this reduces fuel flow.
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#6 Re: 250rtc engine/carb problem12-17-2011, 04:17 PM
The tank likely is vented at the top, typically they have a chamber the fuel needs to be beneath that chamber. It would have a vent line that leads into a canister filled with charcoal, it filters the fumes and prevents the tank from forming an air lock and chocking off the fuel supply. Basically you should never top the tank the fuel should be far enough from the top to ensure you do not submerge the vent.
If a bike is not running right and particularly if it is brand new you should not keep running it.
If it running fine now with less fuel in the tank then that likely was the issue, if you feel it over heated then best thing to do is change the oil. When you do that measure what you take out and do not put more in then you take out.
You could assume that the specs on the valve clearances are correct from the factory, you would hope they are! You typically check them after the engine is worn in not before.
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#7 Re: 250rtc engine/carb problem12-18-2011, 01:59 AM
The problem is mostlikely that you overfilled your gas tank and you had a vapor lock issue. the evap system on the bike gets backed up with a bit of fuel it will choke out on you
Gardo northern NJ/NYC
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#8 Re: 250rtc engine/carb problem
- Join Date
- Dec 2011
- Location
- orlando/miami, florida
- Posts
- 72
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#9 Re: 250rtc engine/carb problem
- Join Date
- Dec 2011
- Location
- orlando/miami, florida
- Posts
- 72
12-18-2011, 04:39 PMhow noticeable would this be? I mean say I filled in the gas to the top and rode for about 30 minutes then started noticing a problem. Or if I filled the gas tank the day before and then this day I noticed problems. Would this be enough to assure it isnt a vapor lock problem?
2011 250rtc
2004 m3 e46
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#10 Re: 250rtc engine/carb problem12-18-2011, 05:10 PM
Dont over fill the gas tank, can you take a picture of the gas cap there are a few ways to ensure that vapor lock can be corrected the best is venting the gas tank
Gardo northern NJ/NYC
CCW tha Heist tha Widow
CCW tha Misfit (tha Wraith)
50 State legal and Worldwide
CCW Heist Riders
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