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lt80 will only run on choke

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Old 07-30-2009, 07:45 PM
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Default lt80 will only run on choke

A question for lt80 owners.My sons lt 80 will only run on choke it keeps stalling if you shut it off.We went riding last weekend and this problem started we have never had it happen before.I changed plug and i didnt help.When i got it home i pulled the carb and cleaned it and this still didnt help.Now they want to go this weekend and the problem still isnt fixed any ideas?Thanks for your time
 
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Old 07-31-2009, 09:04 AM
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If it won't idle without the choke, I would pull the carb again and check the pilot jet, it supplies fuel for the idle circuit,it is very tiny, so even a speck of dirt can plug it up,you have to make sure it is spotless, or it will not idle. Did you blow out all the passages when you pulled the jets? sometimes you can clean out a jet, but the junk will get stuck in the passage and not allow full flow into the carb. On an older quad, it might just be easier to buy a new pilot jet to make sure you have a clean one.
 
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Old 07-31-2009, 12:16 PM
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Default No Spark to moto 100 4 wheeler

I have an 1987 Yamaha YFM100T MOTO 4 Wheeler. The engine turns over but I am getting no spark. I do not see a stator listed on the parts list. Any suggestions?
 
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Old 08-01-2009, 08:35 AM
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Originally Posted by avalentine
I have an 1987 Yamaha YFM100T MOTO 4 Wheeler. The engine turns over but I am getting no spark. I do not see a stator listed on the parts list. Any suggestions?

It does have a stator..It has to.
 
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Old 08-01-2009, 08:40 AM
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What 95 wolv said. Make double sure the jet's are open.
If the problem persists, do a compression test.
 
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Old 08-01-2009, 08:49 AM
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Originally Posted by avalentine
I have an 1987 Yamaha YFM100T MOTO 4 Wheeler. The engine turns over but I am getting no spark. I do not see a stator listed on the parts list. Any suggestions?
nothing personal, please don't take this the wrong way, but hijacking someone else's post for a totally different quad/problem is kind of distracting, it is just as easy to start your own post, that way, you know all the responses are for your problem,not someone elses. It gets hard to know who is responding to who, if there are several different problems floating around in one post. LT80 is right, all quads have a stator, that is how the electricity for the coil,lights(if any) is generated.
 
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Old 02-20-2011, 10:00 PM
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Default Yamaha moto 4 yfm225 idle

I recently acquired a 1986 Moto 4 for $100, Runs great. The only problem I have with it is the carburetor is leaking out the over flow tube when not running, and when it is warmed up and running the idle is so low it continuously shuts off. Im not sure on how to fix this, can anyone help?
 
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Old 02-22-2011, 08:11 AM
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Welcome to the forums.
Clean the carb paying attention to the jets and the float needle/seat.
 
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Old 02-22-2011, 08:48 AM
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welcome to the forums Rattleman19. i would start a new thread by pressing the new tab and asking your question there for better results and more repsonses. on a side note as mentioned, clean your carb and set your float level and you might all set. also try draining any old gas and changing fuel filter is there is one.
 
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Old 02-23-2011, 08:19 AM
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"i would start a new thread "
I asked a moderator to do this for him ...
 
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