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by: donnie - Apr 5, 2014 18:41:49 GMT -5
Post by donnie on Apr 5, 2014 18:41:49 GMT -5
New to scooters would like to get a manual for
repairs and general info,all help welcome
. Thanks
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Specs
by: tvnacman - Apr 5, 2014 19:13:00 GMT -5
via mobile
Post by tvnacman on Apr 5, 2014 19:13:00 GMT -5
First off welcome !!!!!
An answer yo your question I would encourage you to check the tech section and or create a thread and ask .
John
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by: novaraptor - Apr 7, 2014 13:04:00 GMT -5
Post by novaraptor on Apr 7, 2014 13:04:00 GMT -5
Welcome aboard.. Yup, let us know what you have and we can point you in the right direction.
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Specs
by: skuttadawg - Apr 7, 2014 13:24:17 GMT -5
Post by skuttadawg on Apr 7, 2014 13:24:17 GMT -5
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New Rider
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by: donnie - Apr 7, 2014 14:22:12 GMT -5
Post by donnie on Apr 7, 2014 14:22:12 GMT -5
The title says its a CY50A,TAO TAO,49cc,VIP Champian,not sure if thats a enough info if not can u let me know what u need. Thanks Don
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Specs
by: skuttadawg - Apr 7, 2014 14:32:18 GMT -5
Post by skuttadawg on Apr 7, 2014 14:32:18 GMT -5
The engines are 139QMB as all China scoots have the same one
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Sophomore Rider
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by: novaraptor - Apr 8, 2014 15:20:29 GMT -5
Post by novaraptor on Apr 8, 2014 15:20:29 GMT -5
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New Rider
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by: donnie - Apr 8, 2014 16:34:06 GMT -5
Post by donnie on Apr 8, 2014 16:34:06 GMT -5
Had 950 miles on engine had to have valves adjust,was ok until about 1100 miles tap started again not as bad as before,but starting to tap agian,what could cause the valves to come back out of adjustment,what kind of oil,was told 10w40 deisel oil.
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Specs
by: JerryScript - Apr 8, 2014 18:34:39 GMT -5
Post by JerryScript on Apr 8, 2014 18:34:39 GMT -5
The heads and valves on these chinese scooters are not made from the highest quality steel. This means the valves being hammered against them during the combustion stroke actually pushes them a bit deeper into the steel. When you are talking about clearances that are thousandths of an inch, the slightest give by the metal in the heads will make a difference. Some will only need adjusting a few times in their life, others will need it every couple thousand miles. You do want to hear a slight tap, but not a clack.
Normal 10-40 oil is fine, some prefer synthetic.
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by: crawdad - Apr 8, 2014 22:45:06 GMT -5
Post by crawdad on Apr 8, 2014 22:45:06 GMT -5
Hi try ebay scooter parts .Seller is called wm59 . He has some manuals for Chinese scooters. I got one Called Scooter Repair & Service Manual 4 Stroke 50cc engines. It has ALL the information on the 139 QMB engines .He has others also .
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