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Post by kaznaz on Apr 28, 2006 18:24:56 GMT
hi there i have a brand new Baotian BT125T-9 125CC 4 stroke that keeps cutting out. it has plenty of oil and petrol and the battery is fully charged i start the scooter up and after a while it cuts out sometimes within a minute of starting it does anybody have any ideas on whats wrong , someone told me it might be the petrol tap or something if so where would i find such thing!!! am grateful for any suggestions
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Post by enu06 on Apr 28, 2006 18:48:07 GMT
Hi, I have the Sukida version as yours, exactly the same. I ran out of petrol because the fuel gauge was miles wrong, it cut out, then started then stopped, even though there was a little bit left in the tank. Get yourself an inline filter, and put it in the left hand rubber pipe from the carb visible through the small hatch under the seat. If you have enough petrol in the tank, I'd say you have dirt in the carb, which means you have to take it off and clean it out, mine just did the opposite to starving it, it flooded it so bad the petrol came out of the air box! Hope this helps you out.
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Post by kaznaz on Apr 29, 2006 16:41:00 GMT
I've checked all conecting pipes and all are ok (no splits or kinks) I'm pretty sure it's not dirt in the carb as its brand new and according to the retailers not even been started yet. the tank is practically full as i've only just filled it up it runs and sounds ok for anything between 30-60 seconds and then starts to splutter slightly for about 30 seconds before cutting out completely. or if I try and use the throttle it cuts out instantly its got me baffled any ideas anyone??
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Post by cb50j on Apr 29, 2006 19:39:13 GMT
sounds like flooding
.............. #sprint#
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Post by ally1756 on Apr 29, 2006 19:40:10 GMT
adjust the Idle Screw
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Post by spud316 on Apr 29, 2006 22:13:50 GMT
it seems to be the vacuum valve is not sending any petrol through I've checked for blockages in all the pipes had alook at the valve itself but it all looks ok any ideas?? (Different username I know but its about the same bike i'm the one trying to fix it for them)
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Post by ally1756 on Apr 29, 2006 22:17:31 GMT
just remove the valve, the carb will pull fuel through without the valve ally
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Post by spud316 on Apr 29, 2006 22:21:17 GMT
sorry i may have named the part wrong (I'm quite new to this) its the piece that attaches the 2 pipes to the petrol tank if i remove this what do i use to connect the pipes to the tank?
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Post by ally1756 on Apr 29, 2006 22:22:09 GMT
the fuel filter? im not sure what your talking about any chance of a piccy? ally
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Post by spud316 on Apr 29, 2006 22:26:51 GMT
sorry bikes not here or i could take a piccy its the silvery metal piece which bolts onto the underneath of the petrol tank with two metal pipes on it, that the rubber pipes coming from the carb attaches to
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Post by Macrofeet on Apr 29, 2006 22:54:29 GMT
the fuel valve bolts onto the petrol tank if you remove this all the fuel will leak everyware
here is what to do to test it
make sure everything is connected
take off the air pipe which connects to the valve on the carb side
disconnect the fuel pipe at the fuel filter then put the end which connects to the valve in a fuel can or big container like a full size coke bottle
suck on the air pipe (do not blow)
if fuel flows into the can the valve is fine
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Post by spud316 on Apr 29, 2006 23:32:36 GMT
ok many thanks i'll try that in the morning and let you know the results cheers
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Post by spud316 on Apr 30, 2006 12:55:47 GMT
petrol does seem to be getting thru but its only slowly trickling out not flowing freely as it should
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Post by spud316 on Apr 30, 2006 16:17:11 GMT
I've just done the test as described above by macrofeet and petrol does comeout but slowly not free flowing like it should be and when i go to start it up the same problems are there it runs for 3-60 seconds and then judders and cuts out or if i open the throttle it cuts out immediately so it obviously not drawing in the petrol from the tank for some reason i've checked all the pipes for pinprick holes kinks etc.. and all them are fine is there anything else that could be causing the problem?
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Post by Macrofeet on Apr 30, 2006 17:34:56 GMT
empty the petrol tank then unscrew the fuel valve bolt remove the valve on top of the valve is a plastic filter this might be blocked with rust or junk from the fuel
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Post by spud316 on Apr 30, 2006 19:16:29 GMT
done all the steps listed but still getting thesame results gonna drop it in the garge tuesday see if they can solve it for me many thanks though for all your offers of advice much appreciated.
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Post by ally1756 on Apr 30, 2006 19:55:41 GMT
lol i would have just drilled a hole straight through it #taxman2# ally
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Post by spud316 on Apr 30, 2006 23:07:38 GMT
lol well my next step was whack the $%^@:* with a hammer see if that had any effect on it lol
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