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#1501 Re: Dong Fang DF 250 RTB Bobber Information12-21-2011, 12:19 AM
Very basic troubleshooting. When the engine stops running as soon as possibel just open the drain screw on the float bowl.
If gas runs out of the drain hose on the float bowl then you are getting gas to the carburetor float bowl and don't have a problem with the tank vent, filter in the tank, petcock, float valve,etc.
If gas does not run out of the hose then you are not getting gas to the carburetor float bowl and then you probably have a problem with the items above.
Report back your findings and we will go from there.
You never did answer my question about why you think the engine is running hot.Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#1502 Re: Dong Fang DF 250 RTB Bobber Information12-21-2011, 12:32 AM
IMG_20111220_121811.jpg
Wrapper and pallet looked good.
IMG_20111220_122001.jpg
Box show shipping wear, may from China?
IMG_20111220_122206.jpg
Some fork lift driver missed the pallet, LOL. Caused the bike to shift.
IMG_20111220_122212.jpg
Shipping frame pushed into left turn signal/running lamp. Didn't make a mark.
IMG_20111220_122707.jpg
Rear shipping frame pushed into seat.
All in all, I don't see any problems yet.
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#1503 Re: Dong Fang DF 250 RTB Bobber Information12-21-2011, 12:39 AM
IMG_20111220_122717.jpg
This side looks good.
IMG_20111220_122730.jpg
IMG_20111220_123830.jpg
You can see the shift here
More pics as I go. Guys, I'm sure I'm going to be full of questions... Please check back!
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#1504 Re: Dong Fang DF 250 RTB Bobber Information
- Join Date
- Dec 2009
- Location
- mostly Shanghai, sometimes northern California
- Posts
- 3,222
12-21-2011, 02:00 AMDear Alleykat,
Greetings from Shanghai, and welcome to the forum. Hot damn, this is starting to look like an invasion of Texas by chinabikes!
Very much enjoying your slow unwrapping of your new Dongfang. Keep it coming.
cheersjkp
Shanghai
2010 JH600 "Merkin Muffley" (in Shanghai)
2000 KLR650 "Feezer Ablanalp" (in California)
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#1505 Re: Dong Fang DF 250 RTB Bobber Information
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#1506 Re: Dong Fang DF 250 RTB Bobber Information
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#1507 Re: Dong Fang DF 250 RTB Bobber Information
- Join Date
- Dec 2011
- Location
- orlando/miami, florida
- Posts
- 72
12-21-2011, 03:50 AMman you are on point! Tomorrow I will run the bike till the problem comes up and try everything you and the others have told me. Also sorry about that, I did not know if you were asking what I thought the cause of the hotness was or if it just seemed to hot to me. Ill answer both now, to me it gets really really hot after riding for just like 5 minutes through all gears shifting 3000-4000rpm, I dont know the actual temperature but it seems hot enough and when I look at cables and wires that are not even touching anything metal, I can see that the plastic has worn off due to the heat. The cause I think is just that it is a badly designed engine with bad gearing, or I should say not the right gearing for what I am doing but all I am doing is just trying to drive it normally everyday on public roads not highways, its air cooled and a mechanic I talked to told me that its most likely a valve adjustment I would need, same thing the guys at scooterdepot told me, and they said if the engine gets too hot this is what happens to the valves and this is what has been casuing the problems to my bike.
2011 250rtc
2004 m3 e46
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#1508 Re: Dong Fang DF 250 RTB Bobber Information
- Join Date
- Apr 2011
- Location
- minnesota
- Posts
- 32
12-21-2011, 08:44 AMmy valves were tight as hell when it arrived.
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#1509 Re: Dong Fang DF 250 RTB Bobber Information12-21-2011, 01:30 PM
mattbujor,
You have two threads going on your problem. Why not keep the discussion in one thread ? How about just using the one at http://www.mychinamoto.com/forums/sh...e-carb-problem so you keep it out of this one on the the DF bobber?Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#1510 Re: Dong Fang DF 250 RTB Bobber Information
- Join Date
- Apr 2011
- Location
- minnesota
- Posts
- 32
12-21-2011, 01:39 PMas long as we are talking valves, did anyone else have the problem after adjusting valves to specs. they sounded good until warmed up then they rattled like crazy. i would think they would quiet up more when warm. after trying everything i could come up with. I set them both at zero. I even tried zero on intake and 2 on ex. still major rattle.
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