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150cc GY6 and Under Engine Tech GY6 and Smaller Technical Discussion Forum

 
 
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  #1  
Old 04-24-2016, 04:27 PM
Kandi gkm-2 Kandi gkm-2 is offline
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Default Kandi 150 cc gkm-2

Need help having trouble don't know were to start have a 150 cc kandi and have very to little to no compression and have alot of air coming out the valve cover air vent while cranking over engine...I can't tell if it jumped time or if piston and rings are bad could someone help thanks
  #2  
Old 04-24-2016, 07:58 PM
Traxman Traxman is offline
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First re time the engine to eliminate that possibility. Look on you tube for a timing video. It's real easy to do.
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  #3  
Old 04-24-2016, 09:04 PM
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xlint89 xlint89 is offline
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Yep, check your valve timing for sure.

Also check your valve clearances while you're in there.

Lastly, check your timing chain tensioner is good.

Youtube GY6 valve adjustment for a video
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