Thread: Starting problem. Carb Blockage?
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#1 Starting problem. Carb Blockage?09-13-2014, 01:21 AM
Hi.
I have a Pioneer XF200 and it will not start. The engine turns ok, and there is a spark but there is no petrol smell from the cylinder , so could this be a blockage in the carb?
I have already stribpped the carb and all jets appear to be clean, but there still seems to be no fuel getting further than the float chamber. Any suggestions would be welcome, Thanks.Regards
Jim
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#2 Re: Starting problem. Carb Blockage?09-13-2014, 07:32 AM
Mikuni BS28 ? Something cracked http://item.taobao.com/item.htm?id=36180036512
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Sundiro in past had some model powered by Kawasaki 175 LiNK
Those 175 uses "BS28" stock carb
http://www.motorfans.com.cn/bbs/view....php?tid=38917 | QM200-2V (June '05) in #28 is using Japan made carb
---Last edited by humanbeing; 09-13-2014 at 08:44 AM.
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#3 Re: Starting problem. Carb Blockage?09-13-2014, 09:16 AM
The diaphragm appears to be undamaged. I will strip the carb down again and check the diaphragm again and the jets for blockages.
Would I be able to replace this carb for a non-diaphragm type? There seems to be more of these available fairly cheap.Regards
Jim
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#4 Re: Starting problem. Carb Blockage?09-13-2014, 10:43 PM
It seems to be much more serious. The timing is out because the flywheel has moved. The key strip (Which goes in the groove onb the crankshaft) has broken for some reason. Can these be replaced?
Regards
Jim
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#5 Re: Starting problem. Carb Blockage?09-13-2014, 11:19 PM
Guys @ http://chinariders.net/forumdisplay.php?f=104 had more experiece putting Mikuni slide carb on various chinese bike.
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#6 Re: Starting problem. Carb Blockage?09-14-2014, 06:27 AM
Jim the key is a woodruff key and you can replace it . You can lap the flywheel to the taper on the shaft with some valve grinding paste to get the two parts matching nicely . Then clean it well and fit the new key, tighten the retaining nut with some Loctite.
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#7 Re: Starting problem. Carb Blockage?09-14-2014, 09:57 AM
Stock key is (3 x 13 mm) http://item.taobao.com/item.htm?id=12308468065 / Cheap as peanut in hardware supplier http://item.taobao.com/item.htm?id=37678037543 | Suzi service manual mentions HIGH tensile threadlocker (RED Loctite "27?" is similar) in that area.
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http://www.motoyes.cn/bbs/forum.php?...ead&tid=126820
http://www.motorfans.com.cn/bbs/t_3214_14.htmLast edited by humanbeing; 09-14-2014 at 10:54 AM.
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#8 Re: Starting problem. Carb Blockage?09-14-2014, 11:58 AM
Hi.
Thanks for that. It's an exact match. I did look on cmpo.co.uk but there are none with the correct part number and they are £5.99. http://www.chinesemotorcyclepartsonl...e=woodruff+key
I will now send for the correct one from China. Many thanks.
woodruff_key.jpgRegards
Jim
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#9 Re: Starting problem. Carb Blockage?09-14-2014, 12:41 PM
K172FMM uses the SAME key
http://www.bikerswarehouse.co.za/spa...e%201.49mb.pdf
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GB... is "chinese national standard". ANY parts listed w/ that means "std" item that can find via hardware supplier. http://www.keysandpins.com/products/woodruff-keysLast edited by humanbeing; 09-14-2014 at 02:04 PM.
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#10 Re: Starting problem. Carb Blockage?09-25-2014, 10:03 PM
I managed to fing a UK supplier for my Woodruff key. The nearest one that fits is for a Suzuki RM250. These are easily available on ebay:
rm250.jpgRegards
Jim
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