gy6 valve adjustment
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Uploader Comments (mattYoung17754)
All Comments (37)
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you need to change your oil it is getting little bit dark lol
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Your bike sounds exactly like mine, i ordered a new carb, but it sounds more like a need a valve adjustment. My 150cc baccio runner has the same gy6 motor and it wont start cold unless i kick it for a while and then use the electric start with a kick. Once its started it wont idle, but it does start easily once its warm. soooo long story short, valve adjustment right?
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@pashastookie From what you've said, it seems very likely that it's a overheating problem. "Why" it's overheating is the mystery. I assume it's air cooled. Look for leaves or other stuff in the air cooling fan area. Good luck.
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Was having trouble with gy6 150cc scooter. It would start missing at higher rpms. Went on the internet to trouble shoot the problem. Found, out of adjustment valve likely the problem.
Went to Youtube and found your video. Watched your video twice. I found and adjusted, a closed exhaust valve, (intake was ok) put it all back together and WHAM, scooter is running like a rocket. It also seemed to fix a fluxuating tachometer problem.
Thanks for your video. ;-)
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Tried setting mine at .004", and then at .003" like other recommend and they clattered like they were going to fly off the engine! Thank God for your video! It's the only place online I can find the has the correct settings for a 150cc.
THANKS!
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I have a problem with my GY6 maybe you can help me diagnose it. It starts fine when cold and runs strong, after about 5 minutes of running, I will be cruising down the road and the engine loses all power and slowly glides to a stop. The engine then can't be started for 1hr+ until it cools down. Please answer!!!
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"really, super tight"? should there be some torque specs?
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just make sure its tight - don't over think it nor strip threads.
mattYoung17754 9 months ago
Did this fix your cold starting problem? Should engine be warm or cold when you do this? Thanks!
squire330 3 years ago
Yes, it fixed my cold starting problem. The engine was cold when I adjusted it.
mattYoung17754 3 years ago