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04-03-2009, 04:24 PM
| #1 (permalink) |
| PM Newbie Join Date: Feb 2009
Posts: 29
|  Help with valves or somthing like that - 125 Lifan
I need to know why Its sputtering when i try and give it gas.... i can keep it half open and its fine but when i go any wider it just bogs out and sputters... i just replaced the spark plug and i dont know if its the carb or the valves or what... Any ideas? got a possible race tomorrow and need it to be ready... PLEASE LET ME KNOW!!!! |
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04-05-2009, 11:58 PM
| #2 (permalink) |
| PM Newbie Join Date: Feb 2009
Posts: 29
| Re: Help with valves or somthing like that - 125 Lifan
Bump.... Come on guys i really need your help.... |
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04-06-2009, 08:57 AM
| #3 (permalink) |
| PM Newbie Join Date: Mar 2009 Location: colorado
Posts: 25
| Re: Help with valves or somthing like that - 125 Lifan
Sounds like jetting ur on the pilot tell about 3/4 throttle make sure nothing is clogging your main jet..... If nothing is clogging it u would try moveing ur needle up one position
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04-06-2009, 09:36 AM
| #4 (permalink) | |
| PM Newbie Join Date: Feb 2009
Posts: 29
| Re: Help with valves or somthing like that - 125 Lifan Quote:
thanks and i will try this... hope it works | |
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04-06-2009, 11:26 AM
| #5 (permalink) |
| 2nd Gear Member Join Date: Nov 2006
Posts: 414
| Re: Help with valves or somthing like that - 125 Lifan
IF it was running OK before ... check your valve clearances ... An inlet valve that's not sealing can cause symptoms that mimic carb problems ... Also drain the float bowl into a glass to check the fuel as water can cause similar symptoms to what you're describing ... It sits in the bowl and gets lifted into the emulsion tube as the revs and suction increase causing spluttering and bogging ... When you back off , it drops back into the bowl ...
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04-06-2009, 02:42 PM
| #6 (permalink) | |
| PM Newbie Join Date: Feb 2009
Posts: 29
| Re: Help with valves or somthing like that - 125 Lifan Quote:
i drained the gas out of the carb and idk nothing really changed.... and i think i need a new clutch... when i have it pulled in i still go lol... sucks... maybe i just need to get a diffrent clutch cable or lever... | |
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04-06-2009, 02:58 PM
| #7 (permalink) |
| 3rd Gear Member  Join Date: Dec 2005 Location: Shelter Island NY
Posts: 1,343
| Re: Help with valves or somthing like that - 125 Lifan
I have had problems with the clutch on a similar engine, and you want to know how i fixed it from sticking? I revved the piss out of the bike, in front of a wall put it in gear with the clutch pulled, and never had a problem again. That was on a orion bike. But same engine. Unstuck the clutch and it worked fine after that. But before you try that you may want to make sure its adjusted correctly... Ben |
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04-06-2009, 09:30 PM
| #8 (permalink) | |
| PM Newbie Join Date: Feb 2009
Posts: 29
| Re: Help with valves or somthing like that - 125 Lifan Quote:
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09-03-2009, 07:45 PM
| #9 (permalink) |
| PM Newbie  Join Date: Jul 2009
Posts: 24
| Re: Help with valves or somthing like that - 125 Lifan
my lifan did the exact same thing to the "t". i checked my valves and could not even get a gauge in there. i adjusted them to .004 or what ever the 4 on the gauge is and it absolutely screams. do it and your motor will thank you
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