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Author Topic: Engine RPM Range  (Read 4172 times)

WVbiker

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Engine RPM Range
« on: December 22, 2014, 09:44:22 AM »
Does anyone know what the normal rpm operating range of a stock Simplex model M 125cc engine is?
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pd

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Re: Engine RPM Range
« Reply #1 on: December 22, 2014, 12:17:40 PM »
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Goes around , Comes around . :)

WVbiker

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Re: Engine RPM Range
« Reply #2 on: December 30, 2014, 09:03:32 AM »
For those interested, I read a Simplex advertisement relating to the Simplex Automatic which lists its design improvements and specifications.  It states that the 125cc engine has a 6:1 compression ration and developes 4 hp at 4000 rpms.
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