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Mini 25 Speedo Pinion ?


Best Answer timmy850 , 19 July 2023 - 01:08 AM

The speedo drive gears need to match:
Tyre size
Final drive ratio
Speedometer turns per mile

You can work it all out here
http://www.guess-wor.../Tech/ratio.htm Go to the full post


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#1 mattyb

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Posted 18 July 2023 - 08:06 PM

Mini 25 with original engine and 12inch wheels - which speedo pinion should it have ? I've just pulled mine from the gearbox and its white with 17 teeth ?? so a 22a1881 ??

 

though the 22a1881 where for 10 inch wheels ??   any thoughts ? still trying to sort speedo !!

cheers

 

Matt

also I've just noted speedo adaptor is a 22A908 ??


Edited by mattyb, 18 July 2023 - 09:56 PM.


#2 timmy850

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Posted 19 July 2023 - 01:08 AM   Best Answer

The speedo drive gears need to match:
Tyre size
Final drive ratio
Speedometer turns per mile

You can work it all out here
http://www.guess-wor.../Tech/ratio.htm




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