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Lt80 fires up, then dies and is hard to restart

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Old Sep 23, 2021 | 09:03 AM
  #1  
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Default Lt80 fires up, then dies and is hard to restart

Hey everyone, I’ve been watching these forums for awhile with a few of the buggy’s I’ve owned. After finding lots of great help and advice I figured I would finally make an account. thanks!

I hope I’m not beating a dead horse here, but I’ve got a 93 LT80, currently the electric start is not working (that’s next on the never ending to do list) but we have been slowly fixing it up for something to ride while my nephew is here, I ended up doing a compression test and it had 60psi so I put a fresh top end in it last night, fired up and worked great last night. Shut it off and restarted it a few times first pull no prob. This morning it took off first pull (again unfortunately the electric start isn’t working lol) but died/bogged out after a few seconds. It took a few pulls for it to finally start back up (then it would die) and finally after the 4th time or so it stayed running long enough that I could take the choke off, once it’s running it works very well and lots of power (even for me being 200lbs lol) and once it gets warmed up it will start back up first pull.

I guess my question is, is there something I can do/check/repair to make it start a little easier when it’s cold/first start of the day? Or is that just something I’ll have to deal with? I’m pretty new to these little bikes, I know any small engine can be fussy, had some of them growing up but I was too young to really tinker with them, that was always dads problem lol

it’s got a fairly new carb, new petcock, fresh top end, new fuel lines.

thanks in advance!
 
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Old Sep 24, 2021 | 07:48 AM
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I bet it's a china top end eh.. I'd run it and see if the rings seat better.
 
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Old Sep 24, 2021 | 08:02 AM
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Originally Posted by LT80
I bet it's a china top end eh.. I'd run it and see if the rings seat better.

yeah it’s a China cheapy kit, all the wiseco kits were on back order at the time, figured this would be a cheap temporary fix for now. I will run it and see, I was surprised with the quality of the China kit, for $70 shipped to my door in Nova Scotia. I seen you mentioned in other forums not to use the replacement head studs so i kept the original ones in it, went together great. I’m a complete rookie when it comes to carbs so I didn’t know if there was an adjustment I could try or not
 
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Old Sep 25, 2021 | 07:39 AM
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No adjustment for the carb other than the idle. You can adjust the slide needle up and down, maybe that'll help.
FYI: the Wiseco kits are a china cyl with a wiseco piston. mThey make it sound like it's all wiseco.
 
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