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Cen Racing Genesis 7.7 question

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Old 10-02-2018, 03:50 PM
  #1  
khkim0102
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Default Cen Racing Genesis 7.7 question

Hi. All.

I got a brand new CEN Racing Genesis 7.7 from amazon. I finished breaking-in (the truck ran well in slower speed.) and then, when trying to run at the full speed, suddenly the truck does not move, while it screams when advancing the throttle. The spur gear and pinion gear spin very well together when advancing the throttle, but the truck is sitting still without moving.

It looks like something is not engaged in the transmission. Could any one give me an advice for the issue? Thank you in advance.
Old 10-03-2018, 08:00 AM
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rgburrill
 
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I had that problem once - it was the differential. Look to see if you driveshaft into the diff is turning.

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