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250cc and Above Engine Tech Technical Discussion Forum for 250cc and up Engines

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Old 11-13-2010, 09:57 PM
hotrod1977 hotrod1977 is offline
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Default 150cc gy6 engine problems

I am working on a talon made by carter that has this 150cc gy6 engine.first i discovered that the start clutch was bad and also sheared the woodruff key so replaced and tryed to start but acts like timing is off. Any suggestions?
Thanks tracy
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Old 11-17-2010, 12:57 AM
EJ Mac's Avatar
EJ Mac EJ Mac is offline
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Pull the spark plug out and get a straw to stick down in the cylinder and roll the motor to Top dead center, then pull the valve cover off and on the cam gear there will be 2 small holes that should be parallel to the valve cover mating surface and a big hole that should be pointing at the seat.
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