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Cox Engine of The Month
February-2024
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"RC Speed Boat Power Drive TD .020"

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Post  balogh Sun Aug 06, 2023 2:30 pm

Just hesitating to buy an older stock I.e. pre-2001 KB051 from a seller who sent a photo that shows the piston with not one, but two grooves on the piston skirt...though I have such a piston from an earlier ebay purchase, but that does not fit normal 051 cylinders, a bit tight.

Does anybody know if the piston with 2 grooves on the skirt is a standard 051 KB component, or we have something strange here?
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Post  Admin Sun Aug 06, 2023 3:27 pm

That piston is correct for a Killer Bee .051. The Killer Bee .051 has two grooves. The Tee Dee .051 has one groove.

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Post  balogh Sun Aug 06, 2023 3:31 pm

Thanks Jacob!
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