F650 Motor Internal Gear Ratios

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Oct 15, 2001 | 02:22 PM

ScoobyDFW

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Is an F650 motor geared the same as the DS? Is the primary reduction rate the same? I am looking into using a BMW F650 block in the DS650. If the gearing is different, is it the number of teeth on the clutch basket that is different?

Mar 1, 2002 | 03:32 PM

jeffnrivercity

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The f650 gear box has a higher ratio on 2nd,3rd,& 4th. 1st & 5th are the same ratio
Jeff

Mar 1, 2002 | 07:15 PM

Hurycne

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why?

Mar 1, 2002 | 11:25 PM

jeffnrivercity

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I am going to run the BMW 2nd & 3rd gears,this will give me a closer ratio between 3rd & 4th for hill drags

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