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Old 07-14-2019, 10:50 AM
BARGeezer BARGeezer is offline
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Join Date: Nov 2017
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This model uses Centuri "M" engines. 13mm so the tube size is ST-5. The instructions say the motor tube is 2.5" long. A quick measurement of the parts picture on JimZ's site confirms Charles' measurements. So two different methods comes up with 2.5" for the motor tube and 6" for the main tube.
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