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Makotosun

75/76 DT400 and MX YZ combustion chamber volume

  • JayB
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Replied by JayB on topic 75/76 DT400 and MX YZ combustion chamber volume

For DT100s with a stock spark plug:
74-75 DT100 Head marked 437 Volume 11.3 CC Weight 2.1 pounds
77-80 DT100 Head marked 1T9 Volume 12.85 CC Weight 2.2 pounds
81? on DT100 Head marked 3A3 Volume 13.0 CC Weight 2.7 pounds

Probably +/- 0.3 CC or so on the accuracy. The second two combustion chambers look identical to me.
12 Apr 2020 13:07 #11

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